Olympic gold medalist Justin Gatlin of the United States has won the men's 100-meters at the International Association of Athletics Federation meet in Osaka, Japan.

Gatlin finished in 10.15 seconds just ahead of American countryman Brian Lewis (10.28) and Obadele Thompson of Barbados (10.30). The race was Gatlin's first Grand Prix event this season.

Meanwhile, another Olympic champion, Liu Xiang of China, won the men's 110-meter hurdles (13.12 seconds). Japan's Masato Naito was second with countryman Yuji Ohashi third.

Kenya's Bernard Kiptum won the men's 1,500-meters (in 3:41.37) Another Kenyan, Wesley Kiprotich, took the 3,000-meters steeplechase event (in 8:17.31).

In the men's pole vault, Australian Dmitri Markov won by clearing 5.75 meters. Athens Olympic gold medalist Timothy Mack of the United States finished fifth.

In the women's 100-meters, Allyson Felix of the United States won in 11.3 seconds, 0.09 seconds ahead of compatriot Angela Daigle. Japan's Tomoko Ishida was third.

Miho Sugimori and Maho Hanaoka of Japan gave the home fans something to cheer. Sugimori won the women's 800-meters race (in 2:02.77) while Hanaoka took the women's long jump with a lead of 6.82 meters.

Some information for this report provided by AP