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Summary

Some competitors are able to crawl under barbed wire for miles. Others stay awake for days at a time. Readers will learn about some of the world's most extreme endurance competitions and how athletes train for them.

Duration: 4 minutes (00:03:45)
Publishing date: 2021-08-01; Unabridged; Copyright Year: 2021. Copyright Statment: —

• Young Readers