Pulling race details. Checking the course notes.
Pulling race details. Checking the course notes.


Race reviews
Race-day experiences shared about Mammoth Bar Trail Runs 2026.
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Mammoth Bar Trail Runs offers three distances—3.1, 6.2, and 13.1 miles—on single-track and double-track trails in Auburn State Recreation Area on September 6, 2026. The courses feature steep climbs and descents.
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