Rieti

RIETI, Italy - Kenya's David Rudisha set a world record in the 800 meters for the second time in a week and Jamaica's Nesta Carter ran 9.78 seconds in the 100 meters at the Rieti Grand Prix on Sunday, tying American Tyson Gay for the fastest time this year.

RIETI, Italy - Jamaican sprinter Nesta Carter has run 9.78 seconds in the 100 meters at the Rieti Grand Prix, tying American Tyson Gay for the fastest time this year.

RIETI, Italy - David Rudisha of Kenya has set a world record in the 800 meters for the second time in a week.

RIETI, Italy - Asafa Powell ran the 100 meters in 9.99 seconds into a strong headwind on Sunday at the Rieti Grand Prix, on the same track where the Jamaican star set a then-world record of 9.74 two years ago.