This event measures basic leg speed and each race/heat will have between 3 and 8 runners. Runners push off a set of starting blocks at the start as a reaction to a starters pistol, sprint for 100 meters and lean at the finish line. The race can be timed with a hand held stopwatch to the tenth of a second, or by an automatic timing device which will capture the runner's time up to 1/100ths of a second.

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