Alberto Contador has kept the overall lead in the Tour de France after another ride in the Alps, with Lance Armstrong clinging to second place.
Mikel Astarloza of Spain won the 16th stage Tuesday, a 99-mile route from the Swiss town of Martigny to Bourg-Saint-Maurice. Contador and Armstrong finished in the main pack behind Astarloza and other breakaway riders.
Armstrong, a seven-time champion, had to catch up to Contador after several attackers burst ahead in the second of two long climbs.
Contador, the 2007 champion, leads Armstrong by …Â Detail