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How far can a person run without stopping?

Live Science
Summary
Nutrition label

73% Informative

In 2023 , ultrarunner Harvey Lewis set a new record in a type of long-distance race called a backyard ultra.

In this type of competition, runners complete a 4.17-mile ( 6.7 km ) loop every hour , on the hour , until there's only one runner left standing.

Dean Karnazes holds the unofficial record for the longest run without sleeping, at 350 miles ( 563 km ).