March Half Marathons in California on Weekends

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1
Mar 1, 2025
Saturday
Diamond Valley Lake Marathon
26.2M, 13.1M, 5K run
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Hemet, CA
Riverside County, CA
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2
Mar 1, 2025
Saturday
San Joaquin River Trail Half Marathon & 10K
13.1M, 10K trail run
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Auberry, CA
Fresno County, CA
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3
Mar 1, 2025
Saturday
Sanborn Trail Challenge
13.1M, 8M, 4M trail run
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Saratoga, CA
Santa Clara County, CA
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4
Mar 1, 2025
Saturday
SOCAL Marathon
26.2M, 13.1M, 10K, 5K run | kids run
Virtual Option
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Huntington Beach, CA
Orange County, CA
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5
Past Date
Mar 2, 2024
Saturday
Bidwell Classic Half Marathon
13.1M, 5K run | 13.1M relay
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Chico, CA
Butte County, CA
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6
Mar 2, 2025
Sunday
Livermore Valley Half Marathon
13.1M run
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Livermore, CA
Alameda County, CA
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7
Mar 2, 2025
Sunday
Napa Valley Marathon
26.2M, 13.1M, 5K run
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Calistoga, CA
Napa County, CA
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Boston Marathon Qualifier
8
Past Date
Mar 2, 2024
Saturday
Revel Mount Diablo
13.1M run
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Walnut Creek, CA
Contra Costa County, CA
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9
Mar 2, 2025
Sunday
Run Through Redlands
13.1M, 10K, 5K run | kids run
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Redlands, CA
San Bernardino County, CA
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10
Mar 8, 2025
Saturday
Leprechaun Chase - Half Marathon
13.1M, 10M, 10K, 5K run
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Long Beach, CA
Los Angeles County, CA
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11
Mar 8, 2025
Saturday
Mermaid Half Marathon San Diego
13.1M, 10K, 5K run | kids run
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San Diego, CA
San Diego County, CA
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12
Mar 8, 2025
Saturday
Race to the Top of Mt Umunhum
13.1M trail run
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San Jose, CA
Santa Clara County, CA
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13
Past Date
Mar 9, 2024
Saturday
End of the Trail Run
13.1M, 10K, 5K run
Virtual Option
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Visalia, CA
Tulare County, CA
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14
Mar 9, 2025
Sunday
Pinch Me I'm Running Half Marathon
13.1M, 10K, 5K run
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Santa Monica, CA
Los Angeles County, CA
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15
Mar 9, 2025
Sunday
Tesoro Viejo Spring Classic Half Marathon
13.1M, 10K, 5K run
Virtual Option
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Madera, CA
Madera County, CA
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16
Mar 15, 2025
Saturday
Folsom South Side Trail Run
50K, 26.2M, 21M, 30K, 13.1M, 9M, 10K, 5K trail run
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Folsom, CA
Sacramento County, CA
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17
Mar 15, 2025
Saturday
Old West Trail Runs
50K, 26.2M, 13.1M trail run
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Julian, CA
San Diego County, CA
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18
Mar 16, 2025
Sunday
Shamrock'n Half Marathon
13.1M run
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Sacramento, CA
Sacramento County, CA
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19
Past Date
Mar 16, 2024
Saturday
Zoom San Francisco
13.1M, 10K, 5K run | kids run
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San Francisco, CA
San Francisco County, CA
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20
Past Date
Mar 17, 2024
Sunday
Moonlight Beach Half Marathon
13.1M, 10K, 5K run
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Encinitas, CA
San Diego County, CA
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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.