16 Secrets of Personal Trainers

iStock.com/franckreporter
iStock.com/franckreporter

At the beginning of each year, people flock to gyms to finally tackle their New Year's resolutions to get in shape, be healthier, and/or achieve the six-pack abs of their dreams. For some, that means hiring the services of a personal trainer who can give them the one-on-one attention they need to achieve their fitness goals. But personal trainers do more than just supervise your push-ups and ask you to do more reps: They talk to you about your eating and sleeping habits, sometimes see you cry, and might even end up earning an invite to your wedding. Here are a few insider secrets personal trainers shared with Mental Floss about their jobs.

1. Personal trainers really don’t like it when you’re late.

Several of the trainers Mental Floss spoke to said their biggest pet peeve is when clients show up late to their session. After all, the trainer has created a plan for the workout, and it’s frustrating to have to adjust that plan to accommodate the shorter workout.

“You’re kind of wasting your money,” says Ackeem Emmons, a personal trainer who began his career at Equinox, later started his own training business, and now works with Aaptiv, an audio-based workout app. “It’s so funny, because [clients] think they’re getting over on me—when you’re just short-changing yourself.”

2. Their hours aren’t as flexible as you think.

“They tell you [that] you can make your own hours,” Emmons explains. “That’s a lie. I wake up at 4 or 5 every day, because people either want to train before work or after work.” That means busy mornings and evenings, and inevitable afternoon downtime for trainers.

3. The salary for personal trainers varies widely ...

According to the Bureau of Labor Statistics, the median income for fitness trainers and instructors across the U.S. is a little more than $39,000 a year, or roughly $18.85 an hour. But that’s just the median: The pay can vary quite a bit between location (in California, the average fitness salary is closer to $50,000), clientele (celebrity trainers can command hundreds of dollars per hour), the facility (a trainer at a private gym typically makes more than someone working at a local rec center), and certification levels.

4. ... and so do the qualifications.

There are numerous certifications available, which can boost earning power and add to a trainer’s potential client base. Organizations such as the American Council on Exercise (ACE), the National Academy of Sports Medicine (NASM), and the National Strength and Conditioning Association (NSCA) all offer training manuals and certifications designed to make sure that anyone who calls themselves a personal trainer is well-versed in how the body works, nutrition, and injury prevention. In addition to general athletic certifications, there are specific courses for different exercise techniques, like using barbells, and for training specific populations, like people with chronic diseases or disabilities.

Some certifications are more rigorous than others, and some gyms are more stringent than others about the exact certifications their trainers hold, but in general, most trainers are always working on new certifications to add to their depth of knowledge. “I like to do it at least every couple of months to just learn something new,” Emmons says.

5. Personal trainers know when you’re not bringing your A-game.

Trainers can tell when you’re not totally focused on your workout, and they may pause the session to figure out why. “You have to figure out the reason why their mind is somewhere else,” explains Karyn Toffolo, a trainer who provides nutrition and fitness coaching through her company Happy Belly Strong as well as working at several New York City-area gyms. Solving that mental puzzle can be more important in the long run than it is to "kick their ass and give them this hard workout.”

Sometimes, however, the reason someone is distracted is much more simple. “I’ve had people come in drunk before,” Toffolo says. “You can just tell they’re not paying attention. So I have sent people home.”

6. Many clients come in with unrealistic expectations.

“A lot of people come in and say this actor put on 20 pounds of muscle in three months and I want the same result,” says Sean Collins, the co-owner and head powerlifting coach at Murder of Crows Barbell Club in Brooklyn. Goals like that are not in reach for the vast majority of the population—certainly not without performance-enhancing drugs—and he has to be the one to explain that. As Emmons puts it, “I’m a trainer, not a magician.”

They get a lot of very stereotypical requests, too.“Men all want huge arms, a big chest, and six-pack abs. And they need it by the 14th, because they’re going on vacation in two weeks,” Emmons says. “And women always want the triceps, the glutes, the inner thighs, and a six-pack—those are always the main things.”

7. Personal trainers also want to know about your diet.

Though most personal trainers aren’t nutritionists (Toffolo is an exception), helping clients eat right is still a big part of most fitness plans, according to Lacey Stone, a bi-coastal fitness expert who offers private training, group classes, boot camps, and virtual training, in addition to appearing as a celebrity trainer on E!’s Revenge Body With Khloe Kardashian. "I make certain that they have some kind of a higher protein/carbohydrate fuel before they work out," she says, because their body needs that fuel to perform.

Some of the education is just the basics. Stone says her clients often ask things like, "'Should I do keto? Should I fast? Should I do paleo?' I'm like, let's not worry about that until you even get like, what a vegetable is." (Stone is currently helping to launch a new line of milk-based protein shakes, called Core Power high protein milk shakes, so she likes to recommend those for an after-workout snack.)

“A lot of people come in with misconceptions about food—like someone will come in and say, ‘I haven’t eaten a carb in like four weeks,’” Collins says. “An important part of increasing muscle mass is increasing carb consumption. Sometimes they think fat will make you fat. They think too much protein will kill you, or too much carbohydrates will give you diabetes.” Part of the job of a personal trainer is to help re-educate clients on the role of food in their lives. That means not just telling people not to eat five slices of pizza in a row, but talking about what they're eating, when they're eating, and how that impacts their workout.

8. If they don’t ask about scheduling more sessions, it’s probably because they don’t want you to.

Not every client-trainer relationship works out, and sometimes trainers would prefer to let certain clients go. (Clients who are perpetually flaky or do nothing but complain throughout their sessions might not be asked back.) Of course, they try to be diplomatic about it. “I wouldn’t say I fired them,” Toffolo says of some former clients, “because they are paying me for sessions.” But if she doesn’t enjoy working with a client, when it comes time to schedule and pay for a new batch of sessions, “I just won’t ask if they want to renew.”

It’s not always personal, though. Toffolo works as a trainer at gyms like Brooklyn Boulders and Drive 495, and she occasionally hands her clients off to another trainer at the facility who might be better suited to helping them achieve their goals. For instance, if someone is rehabbing an injury, she is more likely to refer them to one of her colleagues with physical therapy experience.

9. Sometimes their sessions involve tears.

Stone says a fair amount of her clients end up crying at some point during the course of their training with her. “A big part of my program is getting people mentally and emotionally healthy before I can get them to do what I want physically,” she explains. Occasionally, that means tears—but “not sad tears. It's like, realization tears. It's like, finding your soul again tears.”

Collins deals with tears occasionally, too. “In power lifting, you can train for three to four months for one specific competition,” he says. So when people feel like they have fallen short of their goals when that big competition comes, it gets emotional. “I have had to manage a lot of tears,” he explains. “Any kind of fitness professional has to have a high level of empathy. I think the best ones out there are the ones who can completely understand why this is so upsetting to an individual.”

10. Personal trainers can get very close with their clients.

Personal training includes sharing a lot of intimate details about your life, like your diet, weight goals, sleep routine, and more, and as a result, trainers form tight bonds with many of their clients. Sometimes, "it can be more of a therapy session" than a workout session, Toffolo says. (That may happen whether the trainer likes it that way or not—"I’ve had a lot of people definitely share more than I wanted to," she adds.)

But Toffolo sees the client-trainer relationship as more of a friendship than a straight business relationship. She trains some clients for years on end, and has even been invited to some of their weddings. “It’s just nice to have that type of rapport with someone. It makes time go by quicker.”

11. They don’t need a big space to work …

Toffolo does house calls, and while some condo and apartment buildings feature high-end gyms, she doesn’t need a lot of space to work. “I can utilize a space as small as a closet,” she says. “I can manipulate [the program] so that it works with whatever the environment that I’m in.” That includes moves like stepping up onto benches, sprinting up stairs, and other moves that use the client's own weight as resistance.

12. … or fancy equipment.

Stone says that if there’s a few basic exercises she recommends to everyone, it’s squats, push-ups, and crunches—all things you don’t need a gym to do. “They've been around forever because they work,” she says. “I’m always like, ‘Get the basics down before you’re throwing a medicine ball around.’"

13. Personal trainers work with a lot of future brides.

Many personal trainers have a number of clients who are looking to get or stay fit for their wedding day. Stone and Toffolo both say they’ve had clients come on for just a few weeks or months prior to their wedding. “I had a lot of brides this summer,” Toffolo says, whose goal was “making sure they look good when they go down the aisle.”

While it may seem unrealistic to hope for dramatic changes just a few months before an event, with the right dedication, some of those pre-wedding workouts can yield impressive results. “I just had someone that lost 30 pounds with me in like seven months,” Stone says. “She looks unbelievable. She's been super inspiring.”

14. Yes, they heard you fart.

Everyone is human, and inevitably, a client will let a fart slip out during a workout. “It happens,” Toffolo says. “Most of my clients now I’m pretty close with, so I pretty much just laugh it off.”

15. Not all of them appreciate your New Year's resolution.

"The New Year’s resolutioners, they’re a little bit of my pet peeve," Toffolo says. "They take a lot of space at the gym for maybe one month," but aren't typically dedicated to sticking around for the rest of the year. "We make good money around this time of year, but usually, the New Year's resolutioners die down in February."

16. Personal trainers have to fit in their own workouts, too.

Personal trainers may spend a lot of time in the gym, but observing and coaching other people’s workouts isn’t the same as doing their own. In fact, Emmons says, “Not every personal trainer is in shape. As much as you’re training other people you have to train yourself.”

For Collins, being a trainer has actually made it harder for him to keep up with his own workouts. “Opening up a gym and coaching people has been the worst thing I’ve ever done for my own athletic endeavors,” he says. “There’s so much you have to get done as a business owner and a trainer, and so many things you have to do outside of client-facing hours.” That includes scheduling sessions, emailing clients, and coming up with new programs. As a result, he just doesn’t have the time he once did to focus on his own fitness goals.

But how much time a trainer spends on their own fitness depends on what training they’re doing, too. While Collins doesn’t get much of a workout coaching powerlifters, Stone leads classes at Flywheel, which specializes in indoor cycling. Though she may not be huffing and puffing as much as her students, she’s working out as she’s teaching. “When I’m working out, I can talk, because I'm at a high level of fitness,” she explains. “They're working out with me, so they get to actually see me doing what I'm telling them to do, five days a week.”

And though personal trainers love fitness, motivation can be as be as much of a problem for them as it is for you. “I’m just like everyone else,” Emmons explains. “I don’t want to work out every day—sometimes I just want to relax and catch up on my Netflix shows.” But he’s got to get himself to the gym anyway, because it’s his job.

11 Secrets of Storm Chasers

Drew Angerer, Getty Images
Drew Angerer, Getty Images

Every year, people around the world board up windows, stock up on essential supplies, and flee their own homes in anticipation of severe weather events. But for storm chasers, tumultuous weather is an invitation to move toward the danger. Some endure precarious conditions during hurricanes, tornadoes, and other storms in order to take readings that might later prove useful to meteorologists. Others are simply attracted to the beauty of the storms, capturing nature’s violent expressions in what could be considered an extreme form of landscape photography.

There's no shortage of opportunities for storm chasers. The U.S. each year sees an average of 1253 tornadoes—a massive column of spinning air borne out of thunderstorms and creating winds up to 250 miles per hour. Hurricanes are fueled by heat from oceans and threaten coastal regions with heavy rain and wind. Though it doesn’t have quite the same reputation, even a simple, raging thunderstorm can produce enough hail and high winds to cause chaos. Each is dangerous, devastating—and, in the eyes of storm chasers, beautiful.

To better understand what motivates these individuals to seek out cataclysmic events, Mental Floss spoke to three extreme weather specialists. Here’s what they had to say about airborne houses, armored trucks, and why you won’t usually see any of them wearing a helmet.

1. For storm chasers, a hurricane can feel like an acid trip.

A satellite image of Hurricane Irene in the Caribbean Sea in August 2011 is pictured
Hurricane Irene is shown over the Caribbean Sea in a satellite image from August 2011.
NOAA via Getty Images

With just 13 hurricanes hitting the continental U.S. since 2010, chasing hurricanes requires a passport and a willingness to spend days making connecting flights to international destinations. As a result, hurricane hunters are a small subgroup of the storm chaser demographic. Why do they do it? For Josh Morgerman, a hurricane chaser based in Southern California and star of the Science Channel’s upcoming Hurricane Man, being exposed to hurricanes on Long Island in his youth created an association between a severe storm and excitement. “My whole life is hunting that feeling again and again,” he tells Mental Floss. While he still pursues that rush, Morgerman's chief objective is to measure air pressure and log observational data that can assist meteorologists in analyzing storms. (Chasers can also measure factors like humidity, wind speed, and temperature.)

Unlike tornadoes, which have a very clear visual identity as they spin in a cone shape over land, hurricanes just look like a fierce concentration of weather. That combination of heavy rain, wind, and flying debris can be hard to explain unless you’ve experienced it firsthand. As fierce weather rages in the area known as the eyewall, the eye, or center, inside is peaceful. Morgerman says that jarring contrast is a little like an acid trip. “In a severe hurricane [the eyewall] is quite incredible,” he says. “Some sound like a train or like wolves howling. Hurricane Michael, the building I was in was shaking. The windows were breaking. With storms like that, you can’t see anything. Everything just turns white. You just see flying wreckage. It’s an unbelievable spectacle to behold." In the eye, though, "It gets calm. The sky is blue ... There’s something very acid-trippy about that.”

2. The movie Twister influenced a lot of storm chasers.

A publicity photo from the 1996 film 'Twister' depicts actor Bill Paxton looking at a tornado
Hulton Archive/Getty Images

In 1996’s Twister, Bill Paxton plays a tornado chaser who braves a series of severe weather events. For many chasers, the movie was a milestone, prompting a lot of people to get into the field themselves. “It’s the reason I got into it,” says tornado chaser Greg Johnson, who now collects footage to sell to news outlets. “There was this romantic notion of storm chasing. There are a lot of things the movie got right."

There was one exception. "One thing it didn’t get right is the human toll. The damage associated with these storms. The movie underplayed the destruction and death. In real life scenarios, it’s far worse than anything they show in the movie.” A chaser’s first priority, he says, is to stop and help anyone who might need assistance.

3. Storm chasers don’t spend much time actually inside the storms.

Support scientist Tim Marshall stands outside of a vehicle to observe a supercell thunderstorm in Lamb County, Texas in May 2017
Drew Angerer, Getty Images

The life of any storm chaser is supposed to be thrilling, and it is—for a few minutes or hours at a time. Most chasers spent the majority of their careers traveling toward a storm, either by driving toward it or, in Morgerman’s case, flying. He might be in a hurricane for hours; a tornado might touch down for just a few minutes. Johnson also says he spends much of his time traveling. “When you see videos on YouTube of incredible tornado events, recognize what you’re seeing is the 1 percent of the time,” Johnson tells Mental Floss. “You’re not seeing countless hours at truck stops sleeping on the hood of a truck doing nothing.”

4. The real danger for storm chasers isn’t the weather. It’s the traffic.

Traffic is redirected during a tornado in Linwood, Kansas in May 2019
Kyle Rivas, Getty Images

Severe weather can cause high winds and flooding, but it’s not always nature that winds up being physically threatening, especially because chasers spend so much of their time traveling. (In fact, there’s been only one fatal incident as a direct result of a tornado, when chaser Tim Samaras, his son Paul, and colleague Carl Young were trapped in their vehicle and picked up by 200 mile-per-hour winds during the El Reno tornado in 2013. All three died.)

According to Montana-based storm chaser and National Weather Service meteorologist Cory Mottice, experienced chasers know to fear traffic more than the weather. “In a more highly populated area, you have to worry about traffic congestion,” he says. “A storm might be coming down through Oklahoma and you might be out of danger initially. But as the storm is getting closer, people are worrying and start panicking. They’ll pull under overpasses and get stuck on the road with a tornado coming at them.”

Johnson agrees, adding that injury from storms can often take a back seat to traffic accidents. “The thing that keeps me up at night is the driving, not the tornado,” he says. “The tornado will generally go from point A to point B along a defined path. It’s very well-behaved. The quickest way is a straight line. It’s very visual. You can see where it is and you can avoid it. Driving is a completely different story. Put enough miles on and you’re bound to see a bad accident.”

5. Storm chasers drive armored vehicles.

A reinforced vehicle is pictured near a tornado
Courtesy of Greg Johnson // @tornadogreg, TornadoHunter.com

Driving in pursuit of a tornado requires a little more than simple guts and a willingness to get close to a massively powerful weather event. Chasers need their version of a Batmobile. According to Johnson, professionals usually opt for an armored truck to help insulate them from the destructive power of the storm. “We’re not just driving around in a pick-up truck,” he says. “I have a roll cage to prevent it from being crushed. It’s designed to go off-road. It’s heavier than a normal truck. The steel roll cage adds weight. There’s exterior coating to prevent punctures in the vehicle.”

While the roll cage is heavy, the goal isn’t to make the vehicle heavier so it's harder for a tornado to pick up. “At the end of the day, if you’re caught in a tornado capable of throwing the vehicle, a weight difference of 500 or 800 pounds won’t matter. Tornados can pick up combiners. Those things do happen. I’d rather the truck be lighter and easier on gas.”

6. Storm chasers have seen flying houses.

A weathervane is mounted on the roof of a house
Lobro78/iStock via Getty Images

Storm chasers don’t want to drive directly into a tornado or other severe weather event. They just want to get close enough to obtain readings or to take photographs. Johnson tries to get within 200 or 300 yards to snap photos, which is still close enough to see how intense wind speeds can be. “I’ve seen a house flying through the air,” he says. “I saw a truck flying across the road 50 yards in front of me.”

7. Storm chaser equipment can take a beating.

Jan Dutton of WeatherBug.com tracks Hurricane Isabel in Ocean City, Maryland in September 2003
Mark Wilson, Getty Images

Most chasers hit the road with doppler radar, laptops, cameras, and other equipment to help them analyze data and capture images. If you’ve wondered how they can do that without putting themselves at risk, the answer is simple. For still photography, Mottice puts the camera on a tripod outside while he remains in the truck. That keeps him out of danger—but his equipment is another story. "I have my camera and gear on a tripod. I’m in the vehicle taking remote pictures. The hail can hit the camera. Wind is an issue.” Some chasers bring back-up equipment in case their gear gets pummeled.

8. Storm chasers know they should wear helmets. (But they usually don’t.)

A storm warning sign is pictured
arcady_31/iStock via Getty Images

With flying wreckage cutting through the air, it would stand to reason storm chasers should equip themselves with helmets. Few do, however. “I’m embarrassed to say I don’t wear a helmet,” Morgerman says. “Fans have been pushing me to wear one for years … the whole [television] crew is wearing helmets. I don’t want anything to encumber the experience.”

9. Storm chasers can suffer physical effects.

Hurricane Ike is seen over Cuba in a photo taken by the International Space Station in September 2008
Hurricane Ike is seen over Cuba in a satellite image taken by the International Space Station in September 2008.
NASA via Getty Images

An experienced chaser knows how to plan routes that keep them safely away from tornadoes. For hurricanes, they scope out buildings able to withstand the force of the storm. All that planning, however, doesn’t mean they always walk away unscathed. Morgerman says the violent winds of a hurricane’s eyewall can leave enduring effects. “The intense gustiness can cause rapid pressure changes that can really hurt your ears,” he says.

10. Storm chasers know that thunderstorms can be incredibly destructive.

A storm chaser drives a car with a smashed windshield
Courtesy of Greg Johnson // @tornadogreg, TornadoHunter.com

Most people assume hurricanes and tornadoes represent the pinnacle of danger when it comes to storm-chasing. But according to Mottice, a severe thunderstorm can match or exceed them in destructive power. “Some people think a severe thunderstorm warning with 80 mile-per-hour winds is no big deal, that the tornado is the big deal,” he says. “But winds produce more damage than some tornadoes. In Montana, a storm produced 120 mile-per-hour winds. They can do a lot of damage.”

Mottice also tends to be wary of hail during storms. Once, he says, “I didn’t know a storm was blowing up behind the one we were chasing. We got caught in the core of that one. It threw golf ball-sized hail on us. The vehicles on the roads had broken windows.”

11. Storm chasers worry they might be setting a bad example for amateurs.

Hunter Anderson, a meteorology student at St. Cloud University, films a storm near Limon, Colorado in May 2017
Drew Angerer, Getty Images

In the storm-chasing community, there’s much debate over what separates a professional from an amateur. Generally speaking, professional storm chasers get paid for their work, whether that be compensation for footage or photography. But there's no licensing necessary to chase a storm, and anyone can pursue extreme weather. Morgerman, who has likely been in more hurricanes than anyone alive—he says the Science Channel verified the claim for his television series—believes amateurs who follow chasers on social media might get the wrong idea. “I remember being a 15-year-old weather nerd wanting to have these experiences. I worry I’m setting a bad example. I worry some kids will watch what I do and try to do it but without the experience and knowledge that I have.”

12 Secrets of Roller Coaster Designers

People ride a spinning roller coaster in the Santa Cruz Beach Boardwalk Park
People ride a spinning roller coaster in the Santa Cruz Beach Boardwalk Park
hanusst/iStock via Getty Images

Back in the early 20th century, engineers attempting to push the limits of roller coaster thrills subjected riders to risky upside-down turns and bloody noses. A century later, coaster designers rely on computer software, physics, and psychology to push the limits of the roughly 5000 rides in operation worldwide. To get a sense of what their job entails, Mental Floss spoke with several roller coaster specialists about everything from testing rides with water-filled dummies to how something as simple as paint can influence a coaster experience. Here’s what we learned.

1. Getting strapped in might be the most exciting part of the roller coaster ride.

Known as a “thrill engineer,” UK-based Brendan Walker consults with coaster manufacturers and parks on the psychology of riding the rails. In his experience, riders getting secured into their seats are at the peak of their excitement—even more so than during the ride itself. “The moment the lap bar is being locked down and you have that feeling of things being inescapable, that you have to suffer the effects of the ride, is the highest moment of arousal,” Walker says. “The actual ride might only achieve 80 percent of that excitement.”

2. Designers test roller coasters with water-filled dummies.

Bill Kitchen, founder of U.S. Thrill Rides, says it can take anywhere from two to five years for a coaster to go from idea to execution. Part of that process is devoted to the logistics of securing patents and permits for local site construction—the rest is extensive safety testing. “We’re subject to ASTM [American Society for Testing Materials] standards,” Kitchen says. “It covers every aspect of coasters. The rides are tested with what we call water dummies, or sometimes sandbags.”

The inanimate patrons allow designers to figure out how a coaster will react to the constant use and rider weight of a highly trafficked ride. The water dummies—which look a bit like crash test dummies, but filled with water—can be emptied or filled to simulate different weight capacities. Designers also sometimes use the kind of crash-test dummies found in the auto industry to observe any potential issues prior to actual humans climbing aboard.

3. Every foot of roller coaster track costs a lot of money.

Thrill seekers go upside-down while riding on the Mind Eraser roller coaster in Agawam, Massachusetts
Thrill seekers go upside-down while riding on the Mind Eraser roller coaster in Agawam, Massachusetts
Kirkikis/iStock via Getty Images

There is absolutely nothing random about the length of a coaster’s track. In addition to designing a ride based on the topography of a park site, designers take into account exactly how much space they’ll need to terrorize you and not an inch more. When England’s Alton Towers park was preparing to build a ride named TH13TEEN for a 2010 opening, they asked Walker exactly how much of a drop was needed to scare someone in the dark. “It was a practical question,” Walker says. “For every extra foot of steelwork, it would have cost them £30,000 [roughly $40,000].”

4. Rollercoaster Tycoon brought a lot of people into the business.

The popular PC game, first released in 1999, allowed users to methodically construct their own amusement parks, including the rides. As a proving ground for aspiring engineers and designers, it worked pretty well. Jeff Pike, President of Skyline Attractions, says he’s seen several people grow passionate about the industry as a direct result of the game. “I remember when the game first got popular, I would go to trade shows and there would be kids looking to get into it using screen shots of rides they designed. The game definitely brought a lot of people into the fold.”

5. Paint makes a big difference in coaster speed.

A group of tin metal cans with colorful paint
scanrail/iStock via Getty Images

For all of their high-tech design—the software, fabrication, and precise measures of energy—a good coaster ride can often come down to whether it’s got too much paint on it. “The one thing that will slow down a steel coaster is a build-up of paint on the track rails,” Pike says. “It softens where the wheel is rolling and hitting the track, which increases the drag.” A good, worn-in track will have gray or silver streaks where the wheel has worn down the paint, making it move more quickly.

6. A roller coaster’s skyline is key.

Brian Morrow, former Corporate Vice President for Theme Park Experience at SeaWorld Parks and Entertainment, says that the looming curvature of coasters spotted as guests drive toward and enter the park is very purposeful. “It’s like a movie trailer in that we want you to see some iconic coaster elements, but not the whole thing,” he says. “You approach it with anticipation.”

7. Some coasters arrive as giant model kits.

Whether a coaster’s theme or design comes first is largely left up to the end user—the amusement park. But for some rides, manufacturers are able to offer pre-fabricated constructions that designers can treat like the world’s biggest Erector Set. “Sometimes I work on rides that have already been built,” Walker says. “They’re produced by a company and presented almost like a kit with parts, like a model train set. There’s a curve here, a straight bit here, and you can pick your own layout depending on the lay of the land.”

8. Wooden roller coasters are weather-sensitive.

If you’ve ever been on a wooden coaster that seems a little shaky from one trip to the next, check the forecast: It might be because of the weather. Pike says that humidity and other factors can shrink the wood, affecting how bolts fit and leading to a slightly shakier experience. “The structure itself can flex back and forth,” he says. It’s still perfectly safe—it just takes more maintenance to make sure the wood and fasteners are in proper operating condition. A well-cared-for wooden coaster, Pike says, can usually outlast a steel model.

9. The time of day can affect the coaster experience.

“A coaster running in the morning could run slower when cooler,” Morrow says. “The wheels are not as warm, the bearings are warming up. That could be different by 2 p.m., with a slicked-up wheel chassis.” Coasters experiencing their first-ever test runs can also be slightly unpredictable, according to Pike. "Those first trial runs [during the testing phase] can be slow because everything is just so tight," he says. "A lot of coasters don't even make it around the track. It's not a failure. It's just super-slow."

10. Roller coaster designs can come from unusual places—like Jay Leno’s chin.

The twisting, undulating tracks of coasters can often be the result of necessity: Pike says that trees, underground piping, and available real estate all inform designers when it comes to placing a ride in a specific park. But when they have more freedom, coasters can sometimes take on the distinctive shape of whatever happens to be around the designers at the time of conception. “We had a giant piece of land in Holland that just had no constraints, and we were sitting around talking," Pike says. “And we started talking about Jay Leno’s chin.” The ride was a “loose” representation of the comedian's jaw, but “it is there.”

11. Roller coaster riders double as performers.

A woman taking a ride on a rollercoaster at Oktoberfest in Munich, Germany
A woman taking a ride on a rollercoaster at Oktoberfest in Munich, Germany
exithamster/iStock via Getty Images

For Walker, the best advertising for a coaster is having spectators watch riders de-board after an exhilarating experience. “It’s all about that emotion,” he says. “A spectator basically asks, ‘What’s making them so aroused? What’s giving them such pleasure?’ The line for the ride is the audience. Imagining yourself on the structure becomes a very powerful thing."

12. The future of coasters is vertical.

Biggest, fastest, longest—coasters are running out of superlatives. Because rides can only be designed with so many drips, rolls, or G forces, some companies are looking to the sky for their next big idea. Kitchen has been overseeing design of the Polercoaster for years: It’s a sprawling, skyscraper-esque ride that uses electromagnetic propulsion to carry riders upwards instead of across horizontal tracks. “We want to put it in places where land is very expensive, like the Vegas strip,” he says. “You can only do that if it takes up a lot less space.” The project is set to exceed the 456 feet of the current tallest ride, Kingda Ka at Six Flags in New Jersey. “It’ll be the world’s tallest—and hopefully the most fun.”

This list first ran in 2017.

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