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Check out Matt Fitzgerald's author page.

Rasmus Petraeus pulled off a small upset at the inaugural KMD Challenge Aarhus today.

Belgium’s Marino Vanhoenacker crushed the record for fastest Ironman by going 7:56:58 at today’s Ironman Austria triathlon.

The lake slated to be used for the 2012 London Olympics and the 2011 ITU World Championship Series race may not be safe for swimmers.

Learn how to improve your cycling from one of the sport’s best cyclists, Jillian Petersen.

Lukas Verzbicas to compete in the Junior World Championships in honor of his good friend, elite triathlete Kevin McDowell, who is battling Hodgkin's lymphoma.

Runners often hit plateaus in their training. Despite efforts to get faster, they clock in at the same speed and cross the finish line without a PR. If you are at that stage, you may already be contemplating hiring a running coach, but is it worth it?

Flying to a triathlon next month? Good news: In celebration of the 2011 Tour de France, all bike fees will be waived on JetBlue flights for the month of July.

The brand new Cervelo S5 might represent the most advanced road bicycle ever produced. It also might be one of the most versatile bikes ever developed, and as such one of the best bikes for triathletes and cyclists looking for a do-it-all road and triathlon weapon.

After the cancellation of Ironman China in May, this Sunday’s Ironman Korea will be the only Ironman race in Asia this year.

Images from the men's and women's race at the Pontevedra ETU Triathlon European Championships.

Americans Andy Potts and Rebeccah Wassner claimed victories at the Philadelphia Insurance Triathlon. Check out photos of the action.

Almost halfway through the Series, professional triathletes Alicia Kaye (USA) and Andy Potts (USA) are the current points leaders.

Was Harry Wiltshire working to deter Javier Gomez's race in order to benefit his British teammates, Alistair and Jonathan Brownlee?

More than 1,000 competitors will take part in the event.

Great Britain's Alistair Brownlee continued his domination of the ITU circuit while two Ironman stars punched their tickets to Kona in record-breaking performances.

Both Ironman Coeur d’Alene winners Craig “Crowie” Alexander and Julie Dibens put up a tough fight to not only win today’s event and confirm their spots at Kona but to break the Idaho course records in 8:19:48 and 9:16:40, respectively.

Germany returned to the top of the stadium for a final win at the 2011 ETU European Championships in Pontevedra, claiming gold in the dynamic elite mix relay event.

Three-time U.S. Olympian Hunter Kemper and Canada's Chantell Widney were victorious Saturday at the second stop of the 2011 USA Triathlon Elite Race Series, the Tri Monroe - Gateway to Adventure.

Belgian Frederik Van Lierde and German Silvia Felt both earned their first Ironman titles in Nice today at the seventh annual Ironman France.

Americans Andy Potts and Rebeccah Wassner took the titles today in the seventh running of the Philadelphia Insurance Triathlon.

A gallery of race-ready bikes from the pro and age group racks at Ironman Coeur d'Alene.

Tomorrow’s Philadelphia Insurance Triathlon, an Olympic-distance race in the Life Time Fitness Series, features the strongest pro field in the race’s seven-year history.

Nothing could keep Alistair Brownlee (GBR) from retaining the European Championship, not even technical difficulties.

Emmie Charayron (FRA) once again reigned supreme as a European champion, this time in the women's elite division at the 2011 ETU European Triathlon Championships.

The Philadelphia Insurance is adding extra safety measures after an athlete drowned at last year's event.

Today at the offices of Philadelphia Insurance, the 100 company employees who are racing the Philadelphia Insurance Triathlon this weekend were treated to a lunchtime panel Q&A with pros Andy Potts and Tyler Butterfield, and challenged athletes Willie Stewart and Scout Bassett.

Colorado's Peak-to-Peak Highway bike ride is a popular route for triathlon celebrities such as Craig Alexander and Chrissie Wellington.

Colorado's Peak-to-Peak Highway bike ride is a popular route for triathlon celebrities such as Craig Alexander and Chrissie Wellington.

Chicago's Leon's Triathlon will be broadcast for viewers on Comcast channels throughout the country.

It depends who you ask.

The top four ranked triathletes in the ITU's premiere series will go head-to-head in the 2011 ETU Triathlon European Championships in Pontevedra, Spain this weekend. Click through the following photos to get a preview of the race.

June 23 is Olympic Day, celebrated by more than 160 countries. It was introduced in 1948 to commemorate the birth of the modern Olympic Games on June 23, 1894. The purpose of today is to celebrate and promote fitness and well-being.

ACHIEVE Kids Tri Inc. has launched a 2011 summer program that allows kids to experience the swim/bike/run lifestyle.

Triathlon was one of the first London 2012 events to sell out in the public ticket allocation process, however there are still many free to view areas along the course for spectators, ensuring the event will be one of the most memorable of the London 2012 Olympic Games.

Check out Aaron Hersh's author page.

On Sunday, Sarah Groff of Hanover, N.H., became the first American woman to ever podium at an ITU Dextro Energy World Championship Series event by coming in third at the series’ race in Kitzbühel, Austria.

WTC has announced a partnership with the United States Marine Corps. As part of the deal, September's 70.3 world championship race in Henderson, Nev. will now be known as the Marine Corps Ironman World Championship 70.3.

Check out Aaron Hersh's author page.

Enjoy the following gallery of Tim O’Donnell, which features some outtakes from our photo shoot with him in Tucson, Ariz.

Craig Alexander has had a frustrating start to 2011, beginning with the viral infection that forced him to withdraw from Ironman Australia in May.

Chris McCormack weighs in on his race in Kitzbühel and what's ahead as he goes for the Olympics.

Check out Hunter Reed's author page.

Southern California is gaining a new half-iron distance race. The inaugural Orangeman Triathlon will take place in just a few months on Sept. 25, 2011 and will span Dana Point, San Juan Capistrano and Laguna Niguel.

Cheaper and heavier version based on Shimano’s incredible Dura-Ace Di2 component.

Non-drafting triathletes swam, biked and ran through historic Washington D.C., while the sport's top drafting athletes competed across the world in Kitzbühel.

Spain's Mikel Elgezabal and Great Britain's Emma-Kate Lidbury took the titles at Ironman 70.3 UK yesterday.

Australia's Paul Matthews and the United States' Alicia Kaye pulled off mid-season victories at the 2011 Washington D.C. Triathlon. Check out this photo gallery, featuring both pros and age groupers, from photographer Kris Mendoza.

Getting your first road bike is one of the biggest steps that you can take to enhance your enjoyment and performance when cycling.

Canada's Paula Findlay ran away with yet another ITU World Championship Series title this weekend in Kitzbühel. Check out photos from the day below.

Everyone knows it's important to be lean if you want to run fast. But how important really is it?

Great Britain's Alistair Brownlee took the title at the 2011 ITU World Championship Series race in Kitzbühel, Austria, while Ironman world champion Chris "Macca" McCormack dropped out on the bike in his return to ITU.

In strong pro fields, Australian Paul Matthews and now-American citizen Alicia Kaye took the titles at the Washington, D.C. Triathlon.

Findlay stays undefeated for the season while American Sarah Groff breaks through with a podium spot.

More than 3000 triathletes are will be participating in tomorrow’s Washington, DC Triathlon, now in its second year and part of the 5150 Triathlon Series.

Alistair Brownlee leads nearly wire to wire while reigning Ironman world champ Chris McCormack drops out.

Matty "Boom Boom" Reed is apparently opening Boom Yogurt Bar in Boulder, Colo., in August.

Florida-based pro Sara McLarty, known as one of the strongest swimmers in short-course triathlon, will be racing this Sunday at the second-ever Washington D.C. Triathlon, an Olympic-distance race now part of the World Triathlon Corporation-owned 5150 Series.

In today's "Ask Aaron", Aaron lays out the options for what could be causing your mystery recurring flat tires.

If you’re like us, you’re eager to catch Chris McCormack’s return to ITU racing in Kitzbühel, Austria, on Saturday. (If you’re more into M-Dot races than ITU, it’s time to start watching!)

Ironman 70.3 U.K. takes place this weekend on Sunday, June 19. Exmoor Park in Wimbleball, England will play host to this event that features 50 slots for the 2011 Ironman World Championship 70.3 held in Lake Las Vegas, Nev. this September.

A pack of cyclists were on a weekly midnight ride in Los Angeles when a suspected drunken driver plowed into their group around 2 a.m. She sent some riders “flying into the air” and at least one dragging under her car, according to ABC News in Los Angeles.

Chris McCormack's return to the ITU and a strong contingent of racers should make this weekend's Kitzbühel race one for the ages.

Susan Lacke bridges the communication gap between endurance athletes and everybody else.

Still need to get the triathlete dad in your life a gift for father's day? We've got you covered. Here are a few ideas to make your shopping easy.

2XU has announced a partnership with Ironman to be the preferred supplier of compression apparel at Ironman and 70.3 events.

A heart-rate-based power calculator, a 1,250-gram wheelset with a power meter and a power-comparison website are among the upcoming offerings from Saris, the company behind the popular PowerTap and CycleOps brands.