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What is Pole Vault

Pole vaulting is a track and field event in which a person uses a long, flexible pole (which today is usually made either of fiberglass or carbon fiber) as an aid to leap over a bar. Pole jumping competitions were known to the ancient Greeks, Cretans and Celts. It has been a full medal event at the Olympic Games since 1896 for men and 2000 for women. Today, athletes compete in the pole vault as one of the four jumping events in track and field. Because the high jump and pole vault are both vertical jumps, the competitions are conducted similarly. Each athlete can choose what height they would like to enter the competition. Once they enter, they have three attempts to clear the height. If a height is cleared, the vaulter advances to the next height, where they will have three more attempts. Once the vaulter has three consecutive misses, they are out of the competition and the highest height they cleared is their result. A "no height", often denoted "NH", refers to the failure of a vaulter to clear any bar during the competition. Competitive pole vaulting began using solid ash poles. As the heights attained increased, the bamboo[clarification needed] poles gave way to tubular aluminum, which was tapered at each end. Today's pole vaulters benefit from poles produced by wrapping pre-cut sheets of fiberglass that contains resin around a metal pole mandrel, to produce a slightly pre-bent pole that bends more easily under the compression caused by an athlete's take-off. The shape of the fiberglass sheets and the amount of fiberglass used is carefully planned to provide the desired length and stiffness of pole.