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Backyard Races Around the World
Backyard Races Around the World

Backyard Races Around the World

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Backyard Ultra

Backyard ultra is a form of ultramarathon race where competitors must consecutively run the distance of 6706 meters (4.167 miles) in less than one hour. When each lap is completed, the remaining time within the hour is typically used to recover for the next hour’s race.

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