American Runs 450 Miles In 108 Hours To Smash Backyard Ultra Record - The Running Channel

Harvey Lewis was crowned the last man standing at the Big Dog Backyard Ultra in Tennessee with his record-breaking 450-mile run.

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American Runs 450 Miles In 108 Hours To Smash Backyard Ultra Record - The Running Channel

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How to run 450 miles, tips from the backyard ultra record holder

How to run 450 miles, tips from the backyard ultra record holder

Big's Backyard Ultra is an ultramarathon where you run 4.167 miles every hour, on the top of the hour, until only 1 person is left. If you don't make the cutoff, you are eliminated. 2 competitors are on lap 106, after more than 4 days of running. : r/videos

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American Runs 450 Miles In 108 Hours To Smash Backyard Ultra Record - The Running Channel