4 ultra and running events in Unincorporated Santa Monica Mountains, California

From big races to Saturday morning group runs—find ultra and running events and connect with the local endurance sports community.

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Paramount Ranch Trail Runs [ultrasignup.com]
Sat, Dec 20, 2025

10k 30k 50k Half Marathon Run Trail Ultra
Unincorporated Santa Monica Mountains, California, United States
OpenStreetMap Google Maps
Sean O'Brien 100K/50M/50K/26.2/30K [ultrasignup.com]
Sat, Jan 31, 2026

30k 50k 50 Miles 100k Ultra
Unincorporated Santa Monica Mountains, California, United States
OpenStreetMap Google Maps

Tough Mugu [socaltrail.events] [Register at ultrasignup.com] - Facebook - Instagram
Sat, Jul 18, 2026

10k 25k Trail
9000 W. PCH, Unincorporated Santa Monica Mountains, California, United States
OpenStreetMap Google Maps
The Bulldog Ultra [socaltrail.events] [Register at ultrasignup.com] - Facebook - Instagram
Sat, Aug 15, 2026

25k 50k 75k Trail Ultra
1925 Las Virgenes Rd, Unincorporated Santa Monica Mountains, California, 91302, United States
OpenStreetMap Google Maps

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