2 ultra events in Mendocino County, California

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

• Mendocino Coast 50K [mendocinoultra.com] [Register at ultrasignup.com]
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  Sat, Apr 18, 2026 at 7:30 AM

  50k Ultra

  Big River State Park, Mendocino County, California, United States
  OpenStreetMap Google Maps
• Mendocino Running Festival [facebook.com] [Register at ultrasignup.com]
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  Sat, Sep 12, 2026

  10k Half Marathon Run Ultra

  39350 Little Lake Rd, Mendocino County, California, United States
  OpenStreetMap Google Maps