Baby uncertainty leaves Sam Long as a doubt for what is sure to be an emotional day at IRONMAN Arizona this weekend.

If stormwater runoff affects water quality in Tempe Town Lake, organizers may have to cancel the 2.4-mile swim.

Natalie Grabow became the oldest woman ever to finish the grueling, 140.6-mile Ironman World Championship triathlon last month. She's already planning more races.

After learning to swim aged 59, Natalie Grabow recently became the oldest woman to complete the Ironman World Championship ...

Hamilton physical therapist Jacki Day balanced 20 hours of weekly training with caring for patients and raising her ...

Ironman changes qualification system for World Championships in Kona following outcry, but it won’t upset core customers ...

Hundreds of swimmers filled the Brazos River during the first leg of Ironman 70.3 Waco on Sunday. The event’s Facebook account announced that an athlete passed away after a swim incident. Rod ...