Seven-time world motor-cycle champion Valentino Rossi has won the San Marino Grand Prix ahead of Yamaha team-mate Jorge Lorenzo and Ducati rider Toni Elias.
Ducati's reigning world champion Casey Stoner of Australia crashed out while leading on lap six.
The victory allowed the Italian to equal compatriot Giacomo Agostini's record of 68 victories in the top motorcycling category.
The victory stretched the Yamaha rider's lead in the world championship standings to 75 points over Stoner with just five races left.
Stoner is just two points ahead of Spain's Dani Pedrosa after the Honda rider finished fourth today.