The Japan Association of Athletics Federation said Friday that the International Association of Athletics Federations has decided not to recognize Yoshihide Kiryu as joint junior world-record holder in the 100 meters.
The JAAF was informed Thursday that Kiryu’s 10.01-second time on April 29 would be invalidated due to the type of wind-measuring equipment used at the race, although the time will continue to be listed in the IAAF rankings. Kiryu’s time currently ranks as the ninth fastest 100 meters this year.
In a heat at the Oda Memorial meet in Hiroshima, Kiryu ran with a tail wind measured at 0.9 meters per second, but the measuring equipment was not up to current international standards, which call for an ultrasonic wind gauge.
In anticipation that a runner could break the 10-second barrier, the JAAF has requested meets featuring the 17-year-old high school student or other top racers be prepared with the proper wind gauges.
On Friday, Kiryu ran 10.17 to win the 100 meters at a regional qualifying meet in Nara for the national high school championships.
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