** FILE ** Overall leader Jan Ullrich of Germany rides past the Arc de Triomphe on the Champs Elysees avenue during the 21st and final stage of the Tour de France cycling race between the Disneyland Paris theme park in Marne-la-Vallee and Paris, in this July 27, 1997 file photo. Ullrich during a news conference in Hamburg on Monday, Feb. 26, 2007 has announced his retirement from cycling. (AP Photo/Peter Dejong)