Elite track cyclist Liz Reap Carlson, faster than ever at 42, has sped past obstacles to have a shot at the London Games.
Elite cyclist Kathryn Bertine earned a 12th-place finish in the time trial at last weekend's Pan Am Championships. She recounts the story and what it means for her quest for the 2012 Olympics.
Our Olympic hopeful takes a look back -- and forward -- as she heads south for the Pan American Championships.
Colombian cyclist Libardo Nino, a silver medalist in the time trial at the Pan American Games, tested positive for the performance-enhancing hormone EPO.