Fabian Cancellara of Switzerland won the prologue of the Tour de France at Rotterdam, Netherlands on Saturday, with seven-time winner Lance Armstrong finishing an impressive fourth to start what he's calling his last ride in cycling's main event.

Cancellara, who has won four Tour prologues including last year's in Monaco, clocked 10 minutes for the individual time trial on 8.9 kilometers of rain-dampened roads in Rotterdam, earning the yellow leader's jersey to kick off the three-week race.

Germany's Tony Martin, who had led for most of the day, was second, 10 seconds back, and David Millar of Britain placed third with 20 seconds off the pace.

Armstrong, 38, says he is racing in his final Tour de France. He finished fourth, 22 seconds behind Cancellara, but five seconds ahead of his rival - the defending Tour champion and top pre-race favorite Alberto Contador.