Tour de France's doctor Gerard Porte (R) checks the heartbeat of German cyclist Jan Ullrich of the Bianchi team during the traditional medical check-up July 4, 2003. The 100th anniversary Tour de France starts July 5, 2003 with an arrival on the Champs Elysees in Paris on July 27, 2003 after winding its way around France for 3,350 kms.