Ultimate Football
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Ultimate Frisbee
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Ultramarathon
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Underwater Football
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Underwater Hockey
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Underwater hockey (UWH; also called Octopush) is a global non-contact sport in which two teams compete to manoeuvre a puck across the bottom of a swimming pool into goals.
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Underwater Photos
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Underwater Rugby
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Underwater Wrestling
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Unicycle Trials
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Unicycling
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A unicycle is a human-powered, single-track vehicle with one wheel. Unicycles resemble bicycles, but are less complex.
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Unihockey
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Ural Wrestling
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