Upcoming Half Marathon Trail Runs in California
Morgan Hill, CA
Rancho Hills Trail Run
Jul 6, 2024
Rancho Hills Trail Run
Oct 5, 2024
Cool, CA
Heart of Cool
Oct 20, 2024
Sausalito, CA
Rodeo Valley Trail Run
Aug 3, 2024
San Rafael, CA
Peacock Gap Trail Run
Dec 7, 2024
Big Sur, CA
Big Sur Trail Marathon
Sep 28, 2024
Tiburon, CA
Angel Island
Jun 22, 2024
Angel Island Half Marathon
Aug 10, 2024
Hark the Herald Angels Half Marathon
Dec 14, 2024
Romancing the Island Half Marathon
Apr 12, 2025
Berkeley, CA
Berkeley Trail Adventure
Sep 14, 2024
San Jose, CA
Calero Trail Run
Jun 1, 2024
Mt. Umunhum Ultras
Jun 8, 2024
Calero Trail Hills Fest
Jul 27, 2024
Almaden Hills Trail Run
Aug 17, 2024
South Hills Single Track Trail Run
Sep 14, 2024
Mt. Umunhum Trail Conquest
Oct 12, 2024
Quicksilver Trail Challenge
Oct 26, 2024
Almaden Hills Trail Run
Nov 2, 2024
ZombieRunner Halloween
Nov 2, 2024
Calero Trail Run
Dec 7, 2024
Hacienda Hills Run
Jan 4, 2025
Mt. Umunhum Trail Conquest
Feb 1, 2025
Race to the Top of Mt Umunhum
Mar 8, 2025
South Hills Single Track Trail Run - Spring
Mar 22, 2025
Santa Teresa King Richard Annual Trail Run
Apr 5, 2025
Sierra Azul Trail Challenge
Apr 19, 2025
Hacienda Hills Run
May 3, 2025
Monterey, CA
Golden State Trail Run
Jun 29, 2024
Chico, CA
Fleet Feet Fall Classic
Oct 20, 2024
Stinson Beach, CA
Muir Woods Trail Run
Jul 13, 2024
Mt. Tam Trail Run
Nov 16, 2024
Stinson Beach/Muir Woods Marathon
May 10, 2025
Mill Valley, CA
Mt. Tam Wild Boar Half Marathon
Apr 26, 2025
Pacifica, CA
Pacifica Summit Run
Sep 28, 2024
Walnut Creek, CA
Diablo Summit Stomp
Oct 19, 2024
Santa Clarita, CA
Valencia Trail Race
Mar 22, 2025
Los Angeles, CA
Valley Crest Trails
Jun 29, 2024
Griffith Park
Nov 2, 2024
Griffith Park Resolution Run
Jan 5, 2025
Woodside, CA
Crystal Springs
Sep 1, 2024
Gilroy, CA
Mt. Madonna Challenge
Sep 7, 2024
Tahoe City, CA
Burton Creek Trail Run
Jun 23, 2024
Kirkwood, CA
Kirkwood's Ultras
Aug 3, 2024
Lafayette, CA
Bear Creek
Aug 10, 2024
Santa Cruz, CA
San Lorenzo River Trail Run
Jul 13, 2024
Pasadena, CA
Pasadena Trail Half Marathon
Oct 20, 2024
San Ramon, CA
Rocky Ridge Trail Half Marathon
Sep 21, 2024
Lone Pine, CA
John Wayne Grit Series
Oct 19, 2024
Pollock Pines, CA
Trail Run at Sly Park Lake
Aug 24, 2024
Trail Run at Sly Park
Oct 26, 2024
Auburn, CA
Sunset & Cider Trail Races
Sep 28, 2024
The Auburn Half Marathon
Oct 5, 2024
No Hands Trail Run
Jan 11, 2025
Knickerbocker Canyon Trail Run
Mar 22, 2025
Clayton, CA
Diablo Trail Run
Sep 8, 2024
Salinas, CA
Spartan Trail - Monterey
Jun 2, 2024
San Diego, CA
Black Mountain 50K
Jun 22, 2024
Black Mountain Turkey Burner
Nov 30, 2024
Dirty December Trail Run
Dec 14, 2024
Oakland, CA
Cinderella Trail Run
Jun 9, 2024
Redwood (Summer) Trail Run
Aug 10, 2024
Oakland Hills Trail Run
Oct 26, 2024
Castro Valley, CA
Lake Chabot Trail Challenge
Jun 2, 2024
The Rock the Loch 5K/10K/Half
Jul 7, 2024
Bad Bass Half Marathon
Jul 20, 2024
Lake Chabot
Nov 16, 2024
Redtail Ridge
Feb 15, 2025
Orinda, CA
Reservoir Dogs Trail Run
Jun 8, 2024
Placerville, CA
Placerville's Holiday Jingle and Mingle Run
Dec 24, 2024
Healdsburg, CA
Lake Sonoma 50
Apr 12, 2025
Susanville, CA
Bizz Johnson
Oct 13, 2024
Oct 12, 2024
Felton, CA
Santa Cruz Trail Run
Aug 24, 2024
El Dorado Hills, CA
Falcon Crest Winter Trail Challenge
Nov 16, 2024
Escondido, CA
Del Dios Trail Race
Jan 5, 2025
San Diego 50 and Trail Runs
Jan 11, 2025
San Pasqual Valley Trail Race
Feb 1, 2025
The Ranch 50K/Half Marathon
Feb 15, 2025
Hemet, CA
Bedrock Valley Trail Runs
Apr 5, 2025
Shaver Lake, CA
SAR Wild Run
Aug 11, 2024
Mendocino, CA
Mendocino Running Festival
Sep 7, 2024
Arnold, CA
Arnold Rim Trail Endurance Runs
Sep 28, 2024
Agua Dulce, CA
Spacerock Trail Race
Oct 5, 2024
Loma Mar, CA
Groves Trail Run
Sep 7, 2024
Los Osos, CA
Montana de Oro Trail Run
Mar 29, 2025
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| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
City Location
1. Calero Trail Run
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Jun 1, 2024Saturday
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50K, 26.2M, 25K, 13.1M, 15K, 10K, 5K trail run
More Information
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San Jose, CA
Santa Clara County, CA
2. Lake Chabot Trail Challenge
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Jun 2, 2024Sunday
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13.1M, 5K trail run
More Information
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Castro Valley, CA
Alameda County, CA
3. Spartan Trail - Monterey
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Jun 2, 2024Sunday
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50K, 13.1M, 10K trail run
More Information
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Salinas, CA
Monterey County, CA
4. Mt. Umunhum Ultras
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Jun 8, 2024Saturday
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100K, 50M, 50K, 26.2M, 30K, 13.1M, 9M, 10K, 5K trail run
More Information
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San Jose, CA
Santa Clara County, CA
5. Reservoir Dogs Trail Run
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Jun 8, 2024Saturday
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35K, 13.1M, 10K, 5K trail run
More Information
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Orinda, CA
Contra Costa County, CA
6. Trail Quake Half Marathon
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Jun 8, 2024Saturday
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13.1M, 10K, 5K trail run
More Information
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Saratoga, CA
Santa Clara County, CA
7. Cinderella Trail Run
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Jun 9, 2024Sunday
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50K, 26.2M, 30K, 13.1M, 8K trail run | kids run
More Information
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Oakland, CA
Alameda County, CA
8. Angel Island
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Jun 22, 2024Saturday
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13.1M, 5M trail run
More Information
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Tiburon, CA
Marin County, CA
9. Black Mountain 50K
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Jun 22, 2024Saturday
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50K, 25K, 13.1M trail run
More Information
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San Diego, CA
San Diego County, CA
10. Burton Creek Trail Run
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Jun 23, 2024Sunday
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13.1M, 12K, 6K trail run
More Information
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Tahoe City, CA
Placer County, CA
11. Golden State Trail Run
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Jun 29, 2024Saturday
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50K, 35K, 13.1M, 10K trail run
More Information
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Monterey, CA
Monterey County, CA
12. Valley Crest Trails
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Jun 29, 2024Saturday
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13.1M, 10K trail run
More Information
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Los Angeles, CA
Los Angeles County, CA
13. Rancho Hills Trail Run
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Jul 6, 2024Saturday
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50K, 26.2M, 30K, 13.1M, 10M, 10K, 5K trail run
More Information
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Morgan Hill, CA
Santa Clara County, CA
14. Zoom Firecracker
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Jul 6, 2024Saturday
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13.1M, 10K, 5K trail run | kids run
More Information
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Fremont, CA
Alameda County, CA
15. The Rock the Loch 5K/10K/Half
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Jul 7, 2024Sunday
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13.1M, 10K, 5K trail run
Virtual OptionMore Information
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Castro Valley, CA
Alameda County, CA
16. Muir Woods Trail Run
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Jul 13, 2024Saturday
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30K, 13.1M, 10K trail run
More Information
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Stinson Beach, CA
Marin County, CA
17. San Lorenzo River Trail Run
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Jul 13, 2024Saturday
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50K, 26.2M, 30K, 13.1M, 10K trail run | kids run
More Information
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Santa Cruz, CA
Santa Cruz County, CA
18. The Peak
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Jul 13, 2024Saturday
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50K, 26.2M, 13.1M trail run
More Information
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Julian, CA
San Diego County, CA
19. Bad Bass Half Marathon
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Jul 20, 2024Saturday
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13.1M, 10K, 5K trail run
More Information
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Castro Valley, CA
Alameda County, CA
20. Calero Trail Hills Fest
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Jul 27, 2024Saturday
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26.2M, 30K, 13.1M, 10M, 5M trail run
More Information
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San Jose, CA
Santa Clara 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.
