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or nearly all-out burst of speed, the chief distances being 100, 200, and 400 metres

and 100, 220, and 9️⃣ 440 yards.

The course for sprint races is usually marked off in lanes

within which each runner must remain for the 9️⃣ entire race. Originally sprinters used a

standing start, but after 1884 sprinters started from a crouched position using a