(Photo: Politiken)Peder Mondrup has cerebral palsy, so you might not think that he'd ever be able to complete a triathlon. But he was with his twin brother Steen. These Danish brothers call themselves Team Tvilling--that...

Capt. Sunita Williams, the commander of the International Space Station, recently completed the first ever triathlon in space:Williams, 46, competed in the Malibu triathlon using equipment on board the ISS. She used the...