Massa overtook Kovalainen and pole sitter Lewis Hamilton at the start and was heading for his fourth win of the season after Hamilton dropped out of contention with a tire puncture. But the Brazilian's Ferrari engine overheated toward the end and Kovalainen took an 11-second victory over Timo Glock of Toyota.

Kovalainen had narrowed Massa's lead to under six seconds before the Brazilian's engine blew up and ruined his chance of taking the lead in F1's standings for the second time this season.

AMA Superbike

Six-time class AMA champion Mat Mladin swept two weekend Superbike races, winning Sunday by 6.357 seconds at Mid-Ohio Sports Car Course at Lexington, Ohio.

Mladin led all but one circuit of the 26-lap race. His Suzuki teammate, Ben Spies, led that one lap. Less than two weeks after his appendix was removed, Spies took the pole position and a pair of second-place finishes this weekend.

Rallycross

A lightning bolt struck 91 auto racing fans at a racetrack in Oslo, Norway, on Sunday, and 45 people were taken to hospital with minor burns, police said.

''No one was seriously injured,'' police officer Hans Eng said. ''But some of them will stay in the hospital for observation.''