The five-time Ironman world champion says she unknowingly wore a banned wetsuit in competition. Triathlon organizers have decided not to punish her.
I wore the new Apple Watch Ultra for a week of workouts and a mini-triathlon to see if it was a novelty act for serious endurance and outdoor athletes or a legit contender in the long race
The retired fighter compares the two sports, and sheds light on his new multi-sport training regimen
Like the two-hour marathon chase, next month’s assault on the seven- and eight-hour Ironman barriers will require some rule-bending
Looking to sign up for your first triathlon? We share everything you need to know to help you have a successful first race.
We hear from ”German Forrest Gump” Jonas Deichmann, Colorado renames a controversial mountain, and a family of bears shows their holiday cheer
Snowmaking efforts intensify amid dry holiday weekend, triathlon’s first Black female pro, and a wipeout for the ages
Experts break down the ADA laws surrounding service dogs and emotional support animals at races
Dreaming of where to tri next? These picturesque races offer a reason to gawk at the surroundings of the world’s most scenic triathlons while you swim, bike, and run.
Kona? Out. St. George? In. Instead of the Big Island in the middle of the Pacific Ocean, triathlon’s Big Show will take place in southwestern Utah.
Everything you need to know about the Collins Cup, who could win the first-ever event, how it works, and what the broadcast will look like
Follow the founders of the Collins Cup as they organize and train for a new kind of global triathlon
To mark the start of his sixties, Will Turner swam, biked, and ran 14,765 miles, many of which took place through iconic national parks and public lands. Here are the most stunning photos from his "races."
Eight one-of-a-kind events for those who aren't into the standard swim, bike, run
Ötillö Swimrun is a grueling race series alternating long passages of open-water swimming with rugged runs of up to 40 miles. But unlike a triathlon, there’s no biking. That’s great news for W. Hodding Carter, a former collegiate swimmer who plans to qualify for the world championship. At age 56.
Evolutionary biologists weigh in on the eternal training dilemma of how to allocate time and energy to three different disciplines
She won Olympic gold in a sport that chose her. Can she do the same in the one she truly loves?
The company behind the smart bike helmet just launched a watch. Here's our take.
The vests, bags, belts, and more that top athletes use to stay primed while they push
What's so special about this limited special-edition P5X tri bike?
Shirin Gerami is Iran's first female triathlete and when she couldn't find clothes that would satisfy both her performance and her country, she had to make them.
Eric Lagerstrom competed in his first triathlon when he was just 12 years old. He turned pro at age 23, and he’s now a top competitor on the World Triathlon Series. He has also become a skilled videographer and often captures footage during his own races—using GoPros and drones.
Where triathletes can find the best online guidance
A handful of endurance athletes on the food and gear they rely on at the start line
To take your skills next level, you'll likely need a little coaching. Turn to these instructional vlogs for expert techniques, advice on how to improve quickly and effectively, and pro-approved training plans.
A new social media initiative has many prominent endurance athletes publicly speaking out against doping. But in order to affect real change, the initiative has to come from the top down.
In this video from Red Bull, Thomas shares how he stays focused and balances his various roles, plus his go-to workout, nutrition strategy and his tips for long-term fitness success.
Sarah Piampiano left a high-powered investment banking gig to train for triathlons full time. Five years later, she's a champion. Here's how she did it.
Last week, at the International Triathlon Union’s Grand Final, Jonny Brownlee nearly lost consciousness a quarter-mile from the finish line. This is the most recent example of a trend that seems to plague the sport.
Is the world’s most dominant triathlete primed for gold?
The art and science behind the best training environments
First, they don't just tolerate it—they love it
The spirit of long-distance triathlons is being swallowed by behemoths like the World Triathlon Corporation. And it's our own fault.
James Lawrence, aka the Iron Cowboy, ran 50 Ironman triathlons in 50 days this summer. He did it all with his five young children in tow.
The data behind elite performances
What the purchase by a Chinese billionaire means for the sport
James Lawrence completed 50 Ironman distance events in 50 states in 50 consecutive days to bring attention to childhood obesity.
Inside the wildly successful USAT College Recruitment Program
Nobody knows exactly what Ironman will do now that the government has shuttered the Kona lottery, but we have a proposal: use those extra entry spots to grow women's racing.
Leadville, Western States, and the New York Marathon all use some type of lottery system to determine entrants as well
I enjoy beer in moderation, even when training for races. But I have friends who stop drinking entirely for a month leading up to the big day. Are they on to something?
Having a nemesis can up your game big time. But choose wisely
Their genius is unquantifiable. That's a lesson Triathlon Australia learned the hard way.
New research is helping athletes engineer their own flow state
It's time pro women got an equal number of slots to compete in triathlon's premiere World Championship event.
I got myself a sport watch and it came with a chest strap. I'm tempted not to use the strap because heart rate training seems difficult. Any tips for making it simple?
Pro photographer Larry Rosa looks for pain, postcards, and the hidden stories within every endurance race.
Or is another mysterious condition to blame for deaths during the swim leg? A new report unveils a long-misunderstood killer.
Tips from pro triathlete Timothy O’Donnell
The 33-year-old triathlete is American's best hope to reclaim Ironman Kona.
For one 41-year-old Australian triathlon champion, retiring just meant taking a break.
In The Art of Competition, Ironman-turned-author Mark Allen gives insight into the thoughts that helped him race his fastest while living to the fullest.
Los Alamos, New Mexico, wins Liveability's "Best Small Town" contest
Bet you didn’t think this would come up in your fitness regimen, but your esophagus needs love during training, too. Intense exercise can contribute to heartburn and gastroesophageal reflux disorder (GERD), and there’s a good chance that ramping up your routine may be causing your symptoms, says…
Dominate the water and the road with the help of this gear arsenal.
A triathlon camp is a fantastic idea if you’re able to get away for three days to a week. There, you’ll not only sharpen your knowledge about proper nutrition, training techniques, and race strategies, but also enjoy the fun of bonding with a small group of people by suffering…
The Kona Ironman is this week, so we take a look at the latest and greatest new gear from Hincapie, Zoot, Barracuda, and Felt
The ultimate guide to finding your ideal race
Noah Davis swam and biked and ran—all without ever leaving home
Heidi Volpe speaks with Rich Roll about his transformation from addict to ultra-endurance athlete
Fitness magnate Bahram Akradi is buying up some of the most beloved endurance events in the country—and he has plans to improve them. So what's everybody afraid of?
In triathlon, where training volume can make it impossible to hold down another job, Olympic hopefuls often live with parents or sleep on friends’ couches, struggling to make ends meet
This summer in London, Trek will debut the lightest mountain-bike frame ever built.
Outside reviews the best triathlon gear of 2012, including the Felt B12 triathlon bike.
A Q&A with an Outside in Aspen participant
I'm looking to maximize my triathlon training days. Could you recommend a few places?
Two years after undergoing surgery to correct a debilitating heart condition, the Australian triathlete is poised to qualify for the Olympics
A low price tag and a quality build make this among the best wetsuits for newbies.
Medical malpractice is scaring physicians away from popular sporting events—and leaving racers facedown in the dirt
Triathlons aren’t just trendy. Multisport training develops balanced fitness and prevents injuries. Here’s why you should dump your ordinary routine and make the switch, too.
Get ready for a sprint-distance triathlon with one of three custom plans created by coach Matt Dixon.
Triathlon is booming, with hundreds of events being added to the calendar each year and thousands of goggle-eyed newbies lining up to swim, bike, and run for the first time. But only one race still really matters. Greetings from the Ironman World Championship in Kona, Hawaii, ground zero of America's multisport madness
Outside reviews the best gear in the 2012 Winter Buyer's Guide, including the Casio ProTrek PRW-5000Y-1 watch.
How do professional triathletes negotiate international travel with three sports worth of gear?
Last August, two athletes died during the swim leg of the New York City Triathlon. Since then, articles on event safety have piled up—and two more athletes have lost their lives. Is it time for USA Triathlon to rethink its rules?