400 metre hurdles
The 400 m Hurdles are an
Olympic athletics (track and field) discipline. On a standard outdoor track 400 meters is the length of the inside lane once around the stadium. Runners stay in their lane the entire way after starting out of the blocks and must clear ten hurdles that are evenly, for each lane, spaced around the track. The hurdles are positioned so that they fall forward if bumped into to prevent injury to the runners. Although fallen hurdles don't count against them, runners like to clear them clean, as touching them during the race slows runners down.
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400 m haies
Le 400 m haies est une course de vitesse au cours de laquelle les concurrents doivent franchir dix haies en métal et en bois (ou en métal et en plastique).
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Bieg na 400 m przez plotki
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400 meter häck