Fierljeppen
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The sport involves a long pole and a body of water. The pole is between 8 and 13 metres (26 and 43 ft) long and has a flat round plate at the bottom to prevent it from sinking into the muddy river or canal bottom.
A jump consists of a sprint to the pole (polsstok), jumping and grabbing it, then climbing to the top of the pole while trying to control its forward and lateral movements over a body of water, and finishing by landing on a sand bed opposite to the starting point.
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Kind of like pole vaulting in a way
Maybe pole vault evolve from that
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