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.

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?

Big-city marathons, triathlons, and adventure races have never been more popular. Here's why it's time for you to line up for the starting gun, too.

Breakfast is necessary if you want to tear up the countryside, hit the pool, or simply get through a gym workout. Pick the right one.

Not just protein, but calories, carbs, and other nutrients—it’s all important. If you skimp on food during intense training, your body will tap into your lean muscle mass for energy. As you increase the intensity of your workouts, your protein intake should increase from about 0.6 to 0.9 grams of…

Think you don't have time for a fitness routine? If you can block out a couple of hours during the week and some longer periods on weekends, the results will amaze you.

Triathlon is one of the most gear-intensive sports there is, so try a few tris before you invest in a top-of-the line wetsuit or bike. In the meantime, here are a few great buys that will shave seconds off your time and get you amped for an Ironman. Specialized Women's…

Introducing our 2011 READER OF THE YEAR, Ryan Levinson, an athlete who competes like a champ while fighting a savage form of muscular dystrophy. PLUS: SIX HONORABLE-MENTION HEROES

Triathlon's fiercest twins.

When British triathlete Chrissie Wellington lines up at the Ironman World Championship, in Kona, Hawaii, October 9, she'll be going for a fourth-straight title.

Three essentials for your first cold-water triathlon.

There's no better way to get in shape than to prepare for a triathlon. Here's your guide to the ultimate first-time experience.

Any dermatologist will tell you: Wear sunscreen every day, even if you're just hanging around town. But picking the right one is where it gets complicated. According to a 2009 study by the Environmental Working Group, nearly 30 percent of sunscreens don't have strong enough protection from UVA, the sun's most prevalent, carcinogenic rays. Then there

Hi, I compete in triathlons and I was wondering what you would suggest for a backpack. Even better, a backpack that could also also used for snowboarding and camping. — John Fargo, ND

Overlooked mountain ranges, river beer, running album, gear of all time, and 47 other big ideas, accidental winners, and awesome things about the world outside we've come to love over the past 33 years. Introducing our first annual Editors' Choice Awards...

Chris Lieto is poised to make Americans care about the Ironman again—if he can just hold on to his lead.

Photographer Alexx Henry shoots a revolutionary video using the Red One camera.

Alan Horton Alan Horton   Work, kids, 99-cent value meals we know how the fitness excuses can pile up. That's why we've assembled our second annual class of Outside's Fittest (Real) Athletes: five wickedly overscheduled Americans who haven't let hectic careers or a…

No, you haven't met her somewhere before, and neither had we. Fletcher, a 33-year-old triathlete from Red Deer, Alberta, has spent the last five years coming up through the amateur-triathlon ranks, consistently winning her age group, and is poised to go pro in 2009. How does she practice jockeying against other hard-bodied type-A women who occasionally kick

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