March Half Marathons in the West on Sundays
Kailua, HI
Windward Half Marathon
Mar 24, 2024
Portland, OR
Shamrock Run
Mar 16, 2025
Sacramento, CA
Shamrock'n Half Marathon
Mar 16, 2025
Mar 15, 2025
Encinitas, CA
Moonlight Beach Half Marathon
Mar 17, 2024
Boulder City, NV
St. Patrick's Day Half Marathon
Mar 17, 2024
Bakersfield, CA
Bakersfield Marathon
Mar 30, 2025
Santa Monica, CA
Pinch Me I'm Running Half Marathon
Mar 10, 2024
Spring Equinox Half Marathon
Mar 24, 2024
Happy Easter Half Marathon
Mar 31, 2024
Golden, CO
All-Out Spring Fever
Mar 23, 2025
Los Angeles, CA
Griffith Park Half Marathon
Mar 3, 2024
Redlands, CA
Run Through Redlands
Mar 2, 2025
Spokane, WA
Shamrock Shuffle
Mar 17, 2024
Livermore, CA
Livermore Valley Half Marathon
Mar 2, 2025
Calistoga, CA
Napa Valley Marathon
Mar 2, 2025
San Diego, CA
San Diego Half Marathon
Mar 23, 2025
Oakland, CA
Oakland Marathon
Mar 23, 2025
Modesto, CA
Modesto Marathon
Mar 23, 2025
Greenwood Village, CO
That Dam Run
Mar 3, 2024
Sublimity, OR
Silver Falls Challenge
Mar 10, 2024
Fort Collins, CO
Spring Equinox Races
Mar 24, 2024
Santa Venetia, CA
Rattlesnake Ramble
Mar 17, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Livermore Valley Half Marathon
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Mar 2, 2025Sunday
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13.1M run
More Information
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Livermore, CA
Alameda County, CA
2. Napa Valley Marathon
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Mar 2, 2025Sunday
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26.2M, 13.1M, 5K run
More Information
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Boston Marathon Qualifier
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Calistoga, CA
Napa County, CA
3. Run Through Redlands
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Mar 2, 2025Sunday
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13.1M, 10K, 5K run | kids run
More Information
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Redlands, CA
San Bernardino County, CA
4. Griffith Park Half Marathon
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Past DateMar 3, 2024Sunday
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13.1M, 5K run
More Information
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Los Angeles, CA
Los Angeles County, CA
5. That Dam Run
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Past DateMar 3, 2024Sunday
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13.1M, 10K, 5K run | kids run
More Information
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Greenwood Village, CO
Arapahoe County, CO
6. Time to Paddy 5K/10K and Lucky 13.1
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Past DateMar 3, 2024Sunday
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13.1M, 10K, 5K run | kids run
Virtual OptionMore Information
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Denver, CO
Denver County, CO
7. Pinch Me I'm Running Half Marathon
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Past DateMar 10, 2024Sunday
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13.1M, 10K, 5K run
More Information
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Santa Monica, CA
Los Angeles County, CA
8. Silver Falls Challenge
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Past DateMar 10, 2024Sunday
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13.1M, 6.6M trail run
More Information
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Sublimity, OR
Marion County, OR
9. Tesoro Viejo Spring Classic Half Marathon
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Past DateMar 10, 2024Sunday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Madera, CA
Madera County, CA
10. Big Island International Marathon
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Mar 16, 2025Sunday
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26.2M, 13.1M, 10K, 5K run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Hilo, HI
Hawaii County, HI
11. Shamrock Run
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Mar 16, 2025Sunday
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13.1M, 15K, 8K, 5K run | kids run
More Information
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Portland, OR
Multnomah County, OR
12. Shamrock'n Half Marathon
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Mar 16, 2025Sunday
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13.1M run
More Information
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Sacramento, CA
Sacramento County, CA
13. Moonlight Beach Half Marathon
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Past DateMar 17, 2024Sunday
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13.1M, 10K, 5K run
More Information
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Encinitas, CA
San Diego County, CA
14. Rattlesnake Ramble
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Past DateMar 17, 2024Sunday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Santa Venetia, CA
Marin County, CA
15. Rockin Shamrock Half Marathon
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Past DateMar 17, 2024Sunday
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13.1M, 15K, 10K, 5K run
More Information
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Irvine, CA
Orange County, CA
16. Shamrock Shuffle
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Past DateMar 17, 2024Sunday
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13.1M, 10K, 5K run
More Information
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Spokane, WA
Spokane County, WA
17. St. Patrick's Day Half Marathon
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Past DateMar 17, 2024Sunday
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13.1M, 12K, 5K run | 13.1M relay
More Information
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Boulder City, NV
Clark County, NV
18. All-Out Spring Fever
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Mar 23, 2025Sunday
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13.1M, 10K, 5K run
More Information
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Golden, CO
Jefferson County, CO
19. Modesto Marathon
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Mar 23, 2025Sunday
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26.2M, 13.1M, 10K, 5K run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Modesto, CA
Stanislaus County, CA
20. Oakland Marathon
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Mar 23, 2025Sunday
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26.2M, 13.1M, 10K, 5K run | kids run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Oakland, CA
Alameda 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.