March Half Marathons in the West
Kailua, HI
Windward Half Marathon
Mar 24, 2024
Redmond, WA
Lake Sammamish Half Marathon
Mar 8, 2025
Portland, OR
Shamrock Run
Mar 16, 2025
Visalia, CA
End of the Trail Run
Mar 9, 2024
Sacramento, CA
Shamrock'n Half Marathon
Mar 16, 2025
Mar 15, 2025
Kirkland, WA
Spring Run for Fun - Bridle Trails
Mar 23, 2024
Encinitas, CA
Moonlight Beach Half Marathon
Mar 17, 2024
Fremont, CA
Fiercelifit Half Marathon & 10K/5K
Mar 23, 2024
Western Pacific Half Marathon
Mar 30, 2024
Ivins, UT
Red Mountain
Mar 1, 2025
Honolulu, HI
Ku'ikahi 5K, 10K & Half Marathon
Mar 15, 2025
Huntington Beach, CA
SOCAL Marathon
Mar 1, 2025
Colorado Springs, CO
Time to Paddy 5K/10K and Lucky 13.1
Mar 2, 2024
San Jose, CA
Race to the Top of Mt Umunhum
Mar 8, 2025
South Hills Single Track Trail Run - Spring
Mar 22, 2025
Issaquah, WA
Lake Sammamish Half Marathon
Mar 8, 2025
Santa Monica, CA
Pinch Me I'm Running Half Marathon
Mar 10, 2024
Spring Equinox Half Marathon
Mar 24, 2024
Only Fools Run - Almost Aprils Fools Day
Mar 30, 2024
Happy Easter Half Marathon
Mar 31, 2024
Golden, CO
All-Out Spring Fever
Mar 23, 2025
Henderson, NV
Trail Trashed
Mar 22, 2025
Walnut Creek, CA
Revel Mount Diablo
Mar 2, 2024
Folsom, CA
Folsom South Side Trail Run
Mar 16, 2024
Federal Way, WA
Dash Point
Mar 23, 2024
Dash Point Trail Run
Mar 23, 2024
Santa Clarita, CA
Valencia Trail Race
Mar 22, 2025
Kent, WA
Run The Green
Mar 16, 2024
Bozeman, MT
Run to the Pub
Mar 16, 2024
Redlands, CA
Run Through Redlands
Mar 2, 2025
Langley, WA
Whidbey Woods Easter Egg Run
Mar 30, 2024
Spokane, WA
Shamrock Shuffle
Mar 17, 2024
San Francisco, CA
Zoom San Francisco
Mar 16, 2024
Las Vegas, NV
Labor of Love Races
Mar 8, 2025
Livermore, CA
Livermore Valley Half Marathon
Mar 2, 2025
Auburn, CA
Knickerbocker Canyon Trail Run
Mar 23, 2024
Everson, WA
Honeywagon Runs
Mar 22, 2025
Long Beach, CA
Leprechaun Chase - Half Marathon
Mar 9, 2024
Cat in the Hat Run Half Marathon
Mar 23, 2024
Oak Harbor, WA
Deception Pass Marathon & Half
Mar 16, 2024
Saratoga, CA
Sanborn Trail Challenge
Mar 2, 2024
Everett, WA
Pirate 1M, 5K, 10K, 15K, & Half Marathon
Mar 2, 2024
Viking 1M, 5K, 10K, 15K, & Half Marathon
Mar 16, 2024
Mill Town Marathon
Mar 24, 2024
Modesto, CA
Modesto Marathon
Mar 23, 2025
Orting, WA
Orting Bunny Hop
Mar 23, 2024
Greenwood Village, CO
That Dam Run
Mar 3, 2024
Salida, CO
Run Through Time Marathon
Mar 8, 2025
Riverton, UT
Riverton Half Marathon & 4Life 5K
Mar 23, 2024
Hurricane, UT
Sand Hollow Marathon & Half Marathon
Mar 9, 2024
El Dorado Hills, CA
Folsom Lake Falcon Crest Trail Run
Mar 30, 2024
Hemet, CA
Diamond Valley Lake Marathon
Mar 1, 2025
North Salt Lake, UT
March Madness Races
Mar 2, 2024
Springdale, UT
Zion Half Marathon
Mar 1, 2025
Madras, OR
Oregon Cattlewomen Beef Run
Mar 30, 2024
Woodburn, OR
Tulip Trail Run
Mar 23, 2024
Sublimity, OR
Silver Falls Challenge
Mar 10, 2024
Adrian, OR
Owyhee Off-Road Challenge
Mar 23, 2024
Julian, CA
Old West Trail Runs
Mar 15, 2025
Fort Collins, CO
Spring Equinox Races
Mar 24, 2024
DuPont, WA
Sequalitchew Creek Trail Run
Mar 4, 2023
Hagerman, ID
St. Patrick's Fun Run
Mar 16, 2024
Pioneertown, CA
John Wayne Grit Series
Mar 22, 2025
Santa Venetia, CA
Rattlesnake Ramble
Mar 17, 2024
Los Osos, CA
Montana de Oro Trail Run
Mar 29, 2025
Wawawai Landing, WA
Snake River Canyon Half Marathon
Mar 2, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Diamond Valley Lake Marathon
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Mar 1, 2025Saturday
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26.2M, 13.1M, 5K run
More Information
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Hemet, CA
Riverside County, CA
2. Red Mountain
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Mar 1, 2025Saturday
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55K, 30K, 13.1M trail run
More Information
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Ivins, UT
Washington County, UT
3. SOCAL Marathon
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Mar 1, 2025Saturday
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26.2M, 13.1M, 10K, 5K run | kids run
Virtual OptionMore Information
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Huntington Beach, CA
Orange County, CA
4. Zion Half Marathon
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TentativeMar 1, 2025Saturday
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13.1M run
More Information
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Springdale, UT
Washington County, UT
5. Bidwell Classic Half Marathon
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Past DateMar 2, 2024Saturday
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13.1M, 5K run | 13.1M relay
More Information
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Chico, CA
Butte County, CA
6. 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
7. March Madness Races
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Past DateMar 2, 2024Saturday
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13.1M, 10K, 5K run
More Information
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North Salt Lake, UT
Davis County, UT
8. 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
9. Pirate 1M, 5K, 10K, 15K, & Half Marathon
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Past DateMar 2, 2024Saturday
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13.1M, 15K, 10K, 5K, 1M run
More Information
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Yakima, WA
Yakima County, WA
10. Pirate 1M, 5K, 10K, 15K, & Half Marathon
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Past DateMar 2, 2024Saturday
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13.1M, 15K, 10K, 5K, 1M run
More Information
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Everett, WA
Snohomish County, WA
11. Revel Mount Diablo
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Past DateMar 2, 2024Saturday
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13.1M run
More Information
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Walnut Creek, CA
Contra Costa County, CA
12. 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
13. San Joaquin River Trail Half Marathon & 10K
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Past DateMar 2, 2024Saturday
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13.1M, 10K trail run
More Information
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Auberry, CA
Fresno County, CA
14. Sanborn Trail Challenge
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Past DateMar 2, 2024Saturday
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13.1M, 8M, 4M trail run
More Information
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Saratoga, CA
Santa Clara County, CA
15. Snake River Canyon Half Marathon
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Past DateMar 2, 2024Saturday
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13.1M run
More Information
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Wawawai Landing, WA
Whitman County, WA
16. Time to Paddy 5K/10K and Lucky 13.1
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Past DateMar 2, 2024Saturday
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13.1M, 10K, 5K run | kids run
Virtual OptionMore Information
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Colorado Springs, CO
El Paso County, CO
17. 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
18. 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
19. 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
20. Sequalitchew Creek Trail Run
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Past DateMar 4, 2023Saturday
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26.2M, 13.1M, 10K trail run
More Information
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DuPont, WA
Pierce County, WA
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.