Backbone Trail Ultra

SEP
18
2027
A 68-mile trail ultra across the Backbone Trail in the Santa Monica Mountains with about 13,600 feet of climb, solo and 2 to 4 person relay options, capped at 200 runners.
68 miles

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Backbone Trail Ultra

The Backbone Trail Ultra is a long-distance trail event held on the Backbone Trail in the Santa Monica Mountains, California. The main course covers 68 miles along the ridge line, starting at Will Rogers State Park and finishing with a descent on the Ray Miller Trail. The route accumulates nearly 13,600 feet of elevation gain and offers views of the Pacific Ocean along the coast.

Participation is limited to 200 runners. Entries are available for solo runners and for relay teams of two, three, or four people. Solo entrants must show prior completion of at least one 50-mile trail run; relay teams do not require this prerequisite. Registration opens January 1, 2027.

Organizers have noted past event impacts from the Woolsey Wildfire and have worked with National Parks, State Parks, the MRCA, and other local agencies to secure permits for future editions. The event description also references a related event, Coyote Two Moon, as an alternative offering with a different format. Visit the organization's website for the most recent information.

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