Japan's Kiryu clocks wind-assisted 9.87 in men's 100 meters

Japan's Kiryu clocks wind-assisted 9.87 in men's 100 meters

AUSTIN, United States, March 29 Kyodo - Yoshihide Kiryu of Japan speaks to reporters after clocking 9.87 seconds in the men's 100 meter dash invitational at the Texas Relays in Austin, Texas, on March 28, 2015. His time was deemed invalid for official purposes as the wind at his back (3.3 meters per second) exceeded the allowable limit of 2.0 m/s.

Sprinter Kiryu returns to Japan

Sprinter Kiryu returns to Japan

Japanese sprinter Yoshihide Kiryu meets the press after his arrival at Narita airport, near Tokyo, on March 30, 2015, from the United States. The 19-year-old Kiryu clocked a wind-assisted unofficial mark of 9.87 seconds in the men's 100 meters at a track competition in Austin, Texas, on March 28. (Kyodo) ==Kyodo

Japan's Kiryu clocks wind-assisted 9.87 in men's 100 meters

Japan's Kiryu clocks wind-assisted 9.87 in men's 100 meters

Yoshihide Kiryu of Japan (C in back) poses with his teammates for photos after clocking 9.87 seconds in the men's 100 meter dash invitational at the Texas Relays in Austin, Texas, on March 28, 2015. His time was deemed invalid for official purposes as the wind at his back (3.3 meters per second) exceeded the allowable limit of 2.0 m/s. (Kyodo) ==Kyodo

Japan's Kiryu clocks wind-assisted 9.87 in men's 100 meters

Japan's Kiryu clocks wind-assisted 9.87 in men's 100 meters

Yoshihide Kiryu of Japan (C) wins the men's 100 meter dash invitational with a time of 9.87 seconds at the Texas Relays in Austin, Texas, on March 28, 2015. His time was deemed invalid for official purposes as the wind at his back (3.3 meters per second) exceeded the allowable limit of 2.0 m/s. (Kyodo) ==Kyodo

Japan's Kiryu clocks wind-assisted 9.87 in men's 100 meters

Japan's Kiryu clocks wind-assisted 9.87 in men's 100 meters

An electronic board shows Yoshihide Kiryu of Japan marking 9.87 seconds in the men's 100 meter dash invitational at the Texas Relays in Austin, Texas, on March 28, 2015. His time was deemed invalid for official purposes as the wind at his back (3.3 meters per second) exceeded the allowable limit of 2.0 m/s. (Kyodo) ==Kyodo