Colombian Juan Arango (L) stands by to compete in the Omnium 1 Kilometers Time Trial race of the XVI Panamerican Games in Guadalajara, Mexico on October 19, 2011. Arango won a Gold Medal (Photo by Raul Arboleda/AFP/Getty Images)
Jolien D 'Hoore of Belgium competes after she fell during the European Track Cycling Championships in Apeldoorn, on October 22, 2011. (Photo by Anp/ Vincent Jannink Netherlands Out - Belgium Out/AFP/Getty Images)
Czech cyclist Denis Spicka (R) falls in the keirin heats at the European Track Championships on October 23, 2011 at the Omnisport in Apeldoorn. AFP PHOTO / VINCENT JANNINK - netherlands out - belgium out -
Iljo Keisse of Belgium takes the relay from teammate Kenny De Ketele, right, during the men madison at the European Championships Track Cycling in Apeldoorn, eastern Netherlands, Sunday Oct. 23, 2011.
Britain's Jason Kenny, foreground, pushes his wheel over the finish line ahead of Maximilian Levy of Germany during the quarter final of the men 200 meters time trial at the European Championships Track Cycling in Apeldoorn, eastern Netherlands, Saturday Oct. 22, 2011.