September Half Marathon Trail Runs in the West
Evergreen, CO
Bergen Peak Half Marathon
Sep 14, 2024
Big Sur, CA
Big Sur Trail Marathon
Sep 28, 2024
Glenwood Springs, CO
Sunlight Showdown
Sep 22, 2024
Cheyenne, WY
Great Bison Shuffle
Sep 21, 2024
Berkeley, CA
Berkeley Trail Adventure
Sep 14, 2024
Newport, OR
Twisted Pine Run
Sep 8, 2024
San Jose, CA
South Hills Single Track Trail Run
Sep 14, 2024
Pacifica, CA
Pacifica Summit Run
Sep 28, 2024
Buena Vista, CO
Trail Sisters Women's Half Marathon
Sep 14, 2024
Louisville, CO
Louisville Trail Race
Sep 28, 2024
Woodside, CA
Crystal Springs
Sep 1, 2024
Gilroy, CA
Mt. Madonna Challenge
Sep 7, 2024
Nederland, CO
Ned Ned Run
Sep 9, 2023
Aspen, CO
Golden Leaf Half Marathon
Sep 28, 2024
San Ramon, CA
Rocky Ridge Trail Half Marathon
Sep 21, 2024
Port Angeles, WA
GOAT Run
Sep 7, 2024
Auburn, CA
Sunset & Cider Trail Races
Sep 28, 2024
Clayton, CA
Diablo Trail Run
Sep 8, 2024
Kennewick, WA
Jump off Joe Marathon
Sep 7, 2024
Breckenridge, CO
Breck Crest Mountain Marathon
Sep 3, 2023
Ridgway, CO
John Wayne Grit Series
Sep 21, 2024
Telluride, CO
Deep Creek Trail Half Marathon
Sep 28, 2024
Bellvue, CO
Black Squirrel Half Marathon
Sep 7, 2024
Sisters, OR
Three Sisters Skyline
Sep 21, 2024
Anacortes, WA
Fidalgo Trail Run
Sep 28, 2024
Klamath Falls, OR
Moore Mountain Trail Run
Sep 21, 2024
Willits, CA
Celebration of Life - Trail Trek
Sep 24, 2023
Buxton, OR
Stub Stewart Trail Challenge
Sep 29, 2024
Mendocino, CA
Mendocino Running Festival
Sep 7, 2024
Arnold, CA
Arnold Rim Trail Endurance Runs
Sep 28, 2024
Pahala, HI
Ka'u Coffee Trail Runs
Sep 21, 2024
Loma Mar, CA
Groves Trail Run
Sep 7, 2024
South Pass City, WY
Run The Red Desert
Sep 28, 2024
Red Feather Lakes, CO
Red Feather Trail Jamboree
Sep 21, 2024
Sep 20, 2024
Sep 22, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Calarat Challenge Trail Running Festival
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Sep 1, 2024Sunday
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13.1M, 10K trail run
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Jamestown, CO
Boulder County, CO
2. Crystal Springs
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Sep 1, 2024Sunday
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50K, 26.2M, 35K, 13.1M, 8K trail run | kids run
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Woodside, CA
San Mateo County, CA
3. Breck Crest Mountain Marathon
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Past DateSep 3, 2023Sunday
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23M, 13.1M, 10K trail run
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Breckenridge, CO
Summit County, CO
4. Black Squirrel Half Marathon
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Sep 7, 2024Saturday
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13.1M trail run
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Bellvue, CO
Larimer County, CO
5. GOAT Run
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Sep 7, 2024Saturday
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50K, 26.2M, 13.1M trail run
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Port Angeles, WA
Clallam County, WA
6. Groves Trail Run
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Sep 7, 2024Saturday
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50K, 30K, 13.1M trail run
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Loma Mar, CA
San Mateo County, CA
7. Jump off Joe Marathon
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Sep 7, 2024Saturday
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26.2M, 13.1M, 10K trail run
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Kennewick, WA
Benton County, WA
8. Mendocino Running Festival
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Sep 7, 2024Saturday
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12H, 6H, 13.1M, 10K trail run | 6H relay
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Mendocino, CA
Mendocino County, CA
9. Mt. Madonna Challenge
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Sep 7, 2024Saturday
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13.1M, 10K, 5K run | 13.1M, 10K, 5K trail run
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Gilroy, CA
Santa Clara County, CA
10. Diablo Trail Run
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Sep 8, 2024Sunday
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50K, 26.2M, 13.1M, 10M, 4M trail run | kids run
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Clayton, CA
Contra Costa County, CA
11. Twisted Pine Run
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Sep 8, 2024Sunday
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13.1M, 10K, 5K trail run
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Newport, OR
Lincoln County, OR
12. Ned Ned Run
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Past DateSep 9, 2023Saturday
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13.1M, 10K, 5K trail run
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Nederland, CO
Boulder County, CO
13. Bergen Peak Half Marathon
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Sep 14, 2024Saturday
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13.1M trail run
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Evergreen, CO
Jefferson County, CO
14. Berkeley Trail Adventure
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Sep 14, 2024Saturday
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50K, 35K, 13.1M, 10K trail run
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Berkeley, CA
Alameda County, CA
15. South Hills Single Track Trail Run
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Sep 14, 2024Saturday
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50K, 26.2M, 16M, 13.1M, 9M, 10K, 5K trail run
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San Jose, CA
Santa Clara County, CA
16. Trail Sisters Women's Half Marathon
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Sep 14, 2024Saturday
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13.1M, 10K trail run
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Buena Vista, CO
Chaffee County, CO
17. Corner Canyon Half Marathon
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Sep 21, 2024Saturday
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13.1M, 10K, 5K trail run
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Draper, UT
Salt Lake County, UT
18. Corner Canyon Half Marathon
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Sep 21, 2024Saturday
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13.1M, 5K trail run
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Draper, UT
Salt Lake County, UT
19. Great Bison Shuffle
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Sep 21, 2024Saturday
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13.1M, 10K, 5K, 2K trail run | kids run
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Cheyenne, WY
Laramie County, WY
20. John Wayne Grit Series - Ridgway
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Sep 21, 2024Saturday
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13.1M, 5K trail run
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Ridgway, CO
Ouray County, CO
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.