May Trail Runs in California
City Location
1. Into the Wild Saddleback Wilderness 5K
-
Past DateMay 1, 2024Wednesday
-
5K trail run
More Information
-
Orange, CA
Orange County, CA
2. Folsom Lake Trail Run
-
May 3, 2025Saturday
-
50K, 35K, 13.1M, 10K trail run
More Information
-
Folsom, CA
Sacramento County, CA
3. Hacienda Hills Run
-
May 3, 2025Saturday
-
50K, 26.2M, 13.1M, 9M, 10K, 5K trail run
More Information
-
San Jose, CA
Santa Clara County, CA
4. Hollywood to the Sea Road & Trail Relay
-
May 3, 2025Saturday
-
75M trail run | 75M relay
More Information
-
Los Angeles, CA
Los Angeles County, CA
5. Miwok 100K
-
May 3, 2025Saturday
-
100K trail run
More Information
-
Stinson Beach, CA
Marin County, CA
6. Red Hills Ramble
-
Past DateMay 4, 2024Saturday
-
30K, 15K, 10K trail run
Virtual OptionMore Information
-
Tuolumne, CA
Tuolumne County, CA
7. Verdugo Mountains 10K Trail Run
-
May 4, 2025Sunday
-
10K trail run
More Information
-
Glendale, CA
Los Angeles County, CA
8. Grizzly Peak Trail Run
-
May 10, 2025Saturday
-
50K, 26.2M, 30K, 13.1M, 10K trail run | kids run
More Information
-
Berkeley, CA
Alameda County, CA
9. John Wayne Grit Series - Newport Coast
-
May 10, 2025Saturday
-
50K, 25K, 5K trail run
More Information
-
Laguna Beach, CA
Orange County, CA
10. Pacific Crest Trail 50 (PCT 50)
-
May 10, 2025Saturday
-
50M trail run
More Information
-
San Diego, CA
San Diego County, CA
11. Quicksilver Endurance Runs
-
May 10, 2025Saturday
-
100K, 50K trail run
More Information
-
San Jose, CA
Santa Clara County, CA
12. Dirty Secret Trail Run
-
Past DateMay 11, 2024Saturday
-
10.3M, 5.8M trail run
More Information
-
Cool, CA
El Dorado County, CA
13. Nitro Trail Half Marathon
-
Past DateMay 11, 2024Saturday
-
13.1M, 10K, 5K trail run
More Information
-
San Pablo, CA
Contra Costa County, CA
14. Paiute Meadows Trail Run
-
Past DateMay 11, 2024Saturday
-
50K, 13.6M, 4.5M trail run | 50K relay
More Information
-
Susanville, CA
Lassen County, CA
15. Pathways Run
-
Past DateMay 11, 2024Saturday
-
1M run | 10K, 5K trail run
More Information
-
Los Altos Hills, CA
Santa Clara County, CA
16. Race For Open Space
-
Past DateMay 11, 2024Saturday
-
35K, 25K, 12K, 1M trail run
More Information
-
Carmel-By-The-Sea, CA
Monterey County, CA
17. Sasquatch Trail Run
-
Past DateMay 11, 2024Saturday
-
5K trail run | kids run
Virtual OptionMore Information
-
Woodlake, CA
Tulare County, CA
18. Trail Run at Sly Park
-
Past DateMay 11, 2024Saturday
-
50K, 26.2M, 18M, 13.1M, 8.5M, 10K, 5K trail run
More Information
-
Pollock Pines, CA
El Dorado County, CA
19. Waves & Whales 5K Trail Run
-
Past DateMay 11, 2024Saturday
-
5K trail run
More Information
-
Point Arena, CA
Mendocino County, CA
20. Born To Run Ultra Marathons
-
May 14, 2025Wednesday
-
96H trail run
More Information
-
Los Olivos, CA
Santa Barbara County, CA
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.