April Ultra Trail Runs in California
San Jose, CA
Sierra Azul Trail Challenge
Apr 19, 2025
Walnut Creek, CA
Diablo Trails Challenge
Apr 6, 2024
Lake Hughes, CA
Leona Divide
Apr 20, 2024
Woodside, CA
Woodside Crossover
Apr 13, 2024
Palm Springs, CA
Beyond Limits Ultra
Apr 3, 2024
Calistoga, CA
Napa Valley Endurance Run
Apr 13, 2025
Castro Valley, CA
SPASM Lake Chabot
Apr 13, 2024
Healdsburg, CA
Lake Sonoma 50
Apr 12, 2025
Reedley, CA
Silver Moon Race: Reedley
Apr 20, 2024
Mariposa, CA
G-Bar Ultra and Trail Run
Apr 20, 2024
Foresthill, CA
Canyons Endurance Runs
Apr 25, 2025
Apr 26, 2025
Julian, CA
Oriflamme 50K
Apr 12, 2025
La Honda, CA
Horseshoe Lake
Apr 21, 2024
Pilot Hill, CA
Placer Trail Running Festival
Apr 12, 2025
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Beyond Limits Ultra
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Past DateApr 3, 2024Wednesday
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72H, 48H, 200M, 24H, 100M, 50M, 50K trail run
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Palm Springs, CA
Riverside County, CA
2. American River 50 Mile Endurance Run
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Past DateApr 6, 2024Saturday
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50M, 25M trail run
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Folsom, CA
Sacramento County, CA
3. Diablo Trails Challenge
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Past DateApr 6, 2024Saturday
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50K, 13.1M, 10K, 5K trail run
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Walnut Creek, CA
Contra Costa County, CA
4. Lake Sonoma 50
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Apr 12, 2025Saturday
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50M, 26.2M, 13.1M trail run
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Healdsburg, CA
Sonoma County, CA
5. Oriflamme 50K
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Apr 12, 2025Saturday
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50K trail run
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Julian, CA
San Diego County, CA
6. Placer Trail Running Festival
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Apr 12, 2025Saturday
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50K, 25K, 10K, 5K trail run | kids run | 5K novelty run
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Pilot Hill, CA
El Dorado County, CA
7. Napa Valley Endurance Run
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Apr 13, 2025Sunday
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50K, 35K, 13.1M trail run
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Calistoga, CA
Napa County, CA
8. SPASM Lake Chabot
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Past DateApr 13, 2024Saturday
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50K, 26.2M, 30K, 13.1M, 8K trail run | kids run
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Castro Valley, CA
Alameda County, CA
9. Woodside Crossover
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Past DateApr 13, 2024Saturday
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50K, 35K, 13.1M, 10K trail run
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Woodside, CA
San Mateo County, CA
10. Sierra Azul Trail Challenge
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Apr 19, 2025Saturday
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50K, 26.2M, 20M, 13.1M, 7M, 5K trail run
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San Jose, CA
Santa Clara County, CA
11. G-Bar Ultra and Trail Run
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Past DateApr 20, 2024Saturday
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29M, 13.1M trail run
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Mariposa, CA
Mariposa County, CA
12. Leona Divide
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Past DateApr 20, 2024Saturday
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100K, 50M, 50K, 30K trail run
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Lake Hughes, CA
Los Angeles County, CA
13. Silver Moon Race: Reedley
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Past DateApr 20, 2024Saturday
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24H, 100M, 12H, 6H, 10K trail run | 24H, 100M, 12H, 6H relay
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Reedley, CA
Fresno County, CA
14. Horseshoe Lake
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Past DateApr 21, 2024Sunday
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50K, 26.2M, 30K, 13.1M, 5M trail run | kids run
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La Honda, CA
San Mateo County, CA
15. Canyons Endurance Runs
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Apr 25, 2025Friday
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100M trail run
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Foresthill, CA
Placer County, CA
16. Canyons Endurance Runs
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Apr 26, 2025Saturday
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100K, 50K, 25K trail run
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Foresthill, CA
Placer 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.