At a glance
- Date
- May 15, 2027
- Location
- Napa, California
- Distances
- 50 mi
- Registration
- See ultrasignup.com
- Official site
- facebook.com
- Listed from
- UltraSignup
- Last checked
- Oct 4, 2026
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Build my planAbout this race
The inaugural Rimrock 50 Mile Trail Challenge showcases the breathtaking beauty and rugged terrain of Napa's finest trail systems, winding through Skyline Wilderness Park, Napa Open Space Preserve, and the newly opened Suscol Headwaters Trail System.
Key dates
Race day
May 15, 2027
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Entry transfers
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Tune-up races
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50K, 5 weeks before race day, 51 mi away
Straight-line distance
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Race planning
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