Jan Ullrich is a German former professional road bicycle racer. Ullrich won gold and silver medals in the 2000 Summer Olympics in Sydney. He won the 1999 Vuelta a España and the HEW Cyclassics in front of a home crowd in Hamburg in 1997. He had podium finishes in the hilly classic Clásica de San Sebastián. His victorious ride in the 1997 Tour de France led to a bicycle boom in Germany. He retired in February 2007. In the yellow jersey at the 1998 Tour de France after stages 10–14 — 5 stages, July 21 to July 26, taking it from Laurent Desbiens. Wiki link