Sports
Sean O'Brien Trail Runs
Epic ultra trail running event in Santa Monica Mountains featuring 50K/30K/26M with single-track Backbone Trail and ocean views. Cupless race.
- When
- Jan 30, 2027
- Where
- Calabasas, CA
About this event
Epic ultra trail running event in Santa Monica Mountains featuring 50K/30K/26M with single-track Backbone Trail and ocean views. Cupless race.
View original listing on raceraves.com →Track record & vendor details
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