Hurdles

110mH

Description

Men start from blocks and negotiate ten 3ft 6in (107cm) hurdles spread over a 110m straight. A reaction time – measured by sensors in the starting pistol and on the blocks – of less than 0.1 is deemed a false start and runners will be recalled, and the responsible athlete disqualified.

Once the race is underway there are 13.72m to the first hurdle, 9.14m between hurdles thereafter, and 14.02m from the final hurdle to the finish.

The hurdles are knocked down easily if touched, which allows the athlete to continue the race even if he collides with them. But a runner can be disqualified if he steps out of his designated lane.

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