A new mom says she and her husband are "fighting daily" after he signed up to compete in an Ironman that requires constant ...

If you're familiar with the St. George Ironman 70.3 North American Pro Championships, you are no doubt familiar with the dynamic triathlon duo Heather and Trevor Wurtele.

A total of 50 qualifiers from the Coeur d’Alene event will advance to the World Championships on Nov. 8 in Marbella, Spain.

The IRONMAN 70.3 Subic Bay (1.9km swim, 90km bike, 21.1km run) offers 45 age-group qualifying slots to the Vinfast IRONMAN 70.3 World Championship in Taupo, New Zealand on Dec. 14-15.

A 12-year-old girl from Scottsdale is crushing the competition in an endurance sport that typically adults compete in. FOX ... She’s not old enough to compete in an actual Ironman triathlon, ...

Inspired by watching a wheelchair athlete compete in a triathlon, Dentler decided to do the same. Once she figured that out, she set her sights on the Ironman World Championship on Hawaii's Big ...

Rockford is set to host its first-ever Ironman triathlon on Sunday, June 22nd, with competitors like 23-year-old Noah ...