Saturday, Mar 11, 2017 @ 6:00 AM

Backbone Trail Ultra

Santa Monica Mountains, CA 100 Miler, 68 Miler

This Event Took Place Sat. Mar 11, 2017

Cancelled Event



Friends, In addition to destroying many homes and displacing thousands of people, the Woolsey Wildfire has caused significant damage to large sections of the Backbone Trail and surrounding areas. Given the extent of the impact, we must cancel the Backbone Trail Ultra for 2019.

We wish the best of luck and safety to everyone who has been impacted by these terrible fires. The Park Service now has many months of evaluation, impact analysis, repair and maintenance of trails, hillsides and facilities.

We will post Trail and Replanting Workdays on our Facebook page where you can help bring these beautiful mountains back to life.


The Backbone Ultra, the only official ultra-running event covering the full length of the Backbone Trail in southern California's Santa Monica Mountains.

Stunning 68-mile ridge line romp across the full length of the Santa Monica Mountains Backbone Trail or try your hand a the 100 miler. A vision for hikers and runners for over 50 years, this completed 68-mile ridge line trail rewards intrepid (or is that foolhardy?) runners with gorgeous Pacific Ocean views along sage-scented single track. The point-to-point course starts at Will Rogers State Park and meanders up coast, collecting nearly 15,000 knee-knackering feet of elevation gain before finishing down the spectacularly scenic Ray Miller Trail. And for those who want more we will offer a 100 mile option that will have you howling for mercy as you finish this beast.

Note: this event is limited to 200 runners, and requires prior completion of at least one 50-mile or longer trail run. Additional qualifying criteria will be required for the 100 miler (see the web site for details) We'll use your UltraSignup history (or records) to confirm a good fit. When registering, you'll see "Wait List/Pre-Registration" on first access; and on exit on a later screen, know that your credit card won't be billed until we do our work on this end around your fit with the event.

Event's current local time: 9:30 AM PT


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