Japan's sprinter Naoki Tsukahara (2nd L) reacts after crossing the finish line in the men's 100m final at the IAAF Japan Grand Prix in Osaka on May 9, 2009. Tsukahara won the race with a time of 10.13 seconds. (L-R) Rodney Martin of the US, Naoki Tsukahara of Japan, Preston Perry of the US, and Kazuyoshi Hidaka of Japan.