March 5Ks in California
Morgan Hill, CA
Wildflower Run
Mar 24, 2024
Novato, CA
Lucky Run
Mar 17, 2024
Newport Beach, CA
Spirit Run
Mar 17, 2024
Redding, CA
Doggie Dash
Mar 16, 2024
Antioch, CA
Antioch Rotary Club Bunny Hop 5K
Mar 30, 2024
Lakewood, CA
Lakewood Run
Mar 2, 2024
Visalia, CA
End of the Trail Run
Mar 9, 2024
Sacramento, CA
Seize the Moment Run for Epilepsy
Mar 23, 2024
Shamrock'n Half Marathon
Mar 16, 2025
Mar 15, 2025
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
Sonoma, CA
Viansa Wine Run 5K
Mar 24, 2024
San Bernardino, CA
Kappa Delta Shamrock 5K
Mar 23, 2024
Fresno, CA
Spring Fling Duathlon
Mar 23, 2024
Santa Rosa, CA
St. Patrick's Day 5K
Mar 17, 2024
Culver City, CA
Screenland 5K
Mar 9, 2025
Huntington Beach, CA
Rodeo Run 5K/10K
Mar 3, 2024
SOCAL Marathon
Mar 1, 2025
Del Mar, CA
Coast to Crest Trail Race
Mar 2, 2024
Oakdale, CA
San Jose Spartan
Mar 30, 2024
Mar 31, 2024
Granite Bay, CA
Mighty Dog 5K/10K
Mar 23, 2024
San Jose, CA
San Jose Shamrock Run
Mar 16, 2024
South Hills Single Track Trail Run - Spring
Mar 23, 2024
Taking Stride With Pride: A 5K + Health and Wellness Fair
Mar 23, 2024
Palmdale, CA
HDR Kick Off 5000
Mar 2, 2024
Aptos, CA
Run For Rio 5K
Mar 3, 2024
Bakersfield, CA
St. Patrick's Day 5K
Mar 17, 2024
Bakersfield Donut Run
Mar 23, 2024
Malibu, CA
Rosenthal Wine Run 5K
Mar 9, 2024
San Clemente, CA
Shamrock Run San Clemente 5K/10K
Mar 16, 2024
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
Cupertino, CA
Big Bunny 5K
Mar 30, 2024
Pacifica, CA
Pacifica Runners St. Patrick's Day 5K
Mar 16, 2024
Folsom, CA
Folsom South Side Trail Run
Mar 16, 2024
Los Angeles, CA
Griffith Park Half Marathon
Mar 3, 2024
Michael J. Fox Foundation Run
Mar 3, 2024
LASAA Mug Run - Special Enforcement Bureau
Mar 9, 2024
Silverlake Conservatory of Music 5K Funk Run
Mar 10, 2024
LA Big 5K Mission1Race for Health and Oneness
Mar 16, 2024
LA Big 5K
Mar 15, 2025
Irvine, CA
Rockin Shamrock Half Marathon
Mar 17, 2024
Reaching for the Cure
Mar 24, 2024
Rabbit Run 5K & OC Challenge 5K
Mar 30, 2024
Davis, CA
Lucky Run
Mar 23, 2024
Redlands, CA
Run Through Redlands
Mar 2, 2025
San Francisco, CA
Lunar New Year Run
Mar 3, 2024
Fog City Run
Jan 15, 2025
Jan 22, 2025
Jan 29, 2025
Feb 5, 2025
47 more
Zoom San Francisco
Mar 16, 2024
Crissy Field 5K
Mar 17, 2024
Easter Mountain Lake Park 5K
Mar 31, 2024
Paso Robles, CA
Tooth & Nail Wine Run 5K
Mar 10, 2024
CASS Wine Run 5K
Mar 30, 2024
Avalon, CA
Catalina Island Marathon
Mar 8, 2025
Santa Cruz, CA
Boardwalk Fun Run
Mar 23, 2024
Pasadena, CA
Pasadena Triathlon
Mar 8, 2025
Ventura, CA
Corporate Games 5K
Mar 23, 2024
Anaheim, CA
ShamRock 'n Run
Mar 17, 2024
Auburn, CA
Knickerbocker Canyon Trail Run
Mar 23, 2024
Calistoga, CA
Napa Valley Marathon
Mar 2, 2025
Coronado, CA
Ruff Run
Mar 9, 2024
San Diego, CA
Randy Jones Run/Walk for Independence
Mar 2, 2024
Liberty Station NTC Park 5K
Mar 9, 2024
Screen Your Gut, Save Your Butt 5K
Mar 9, 2024
San Diego Half Marathon
Mar 24, 2024
Mermaid Half Marathon San Diego
Mar 8, 2025
Hot Chocolate 15K/10K/5K
Mar 9, 2025
Chino, CA
DairyAire 5K
Mar 2, 2024
Long Beach, CA
Leprechaun Chase - Half Marathon
Mar 9, 2024
Saints Run 5K
Mar 9, 2024
Cat in the Hat Run Half Marathon
Mar 23, 2024
Happy Easter Half Marathon
Mar 30, 2024
Elk Grove, CA
Running of the Elk
Mar 24, 2024
Oakland, CA
Oakland Marathon
Mar 17, 2024
Westlake Village, CA
Westlake Village Run for Pancreatic Cancer Research
Mar 23, 2024
Modesto, CA
Modesto Marathon
Mar 23, 2025
La Habra, CA
La Habra Run
Mar 9, 2024
San Jacinto, CA
San Jacinto Fun Run
Mar 30, 2024
Placerville, CA
Spirit of Benny 10K/5K
Mar 9, 2024
Dublin, CA
Shamrock 5K
Mar 17, 2024
Lemoore, CA
Shamrock Shuffle 5K
Mar 16, 2024
Upland, CA
Lemon Zest 5K and Kids 1K Dash
Mar 16, 2024
El Dorado Hills, CA
Folsom Lake Falcon Crest Trail Run
Mar 30, 2024
San Dimas, CA
5K for Fragile X
Mar 16, 2024
Fort Bragg, CA
Whale Run and Walk
Mar 16, 2024
Saint Helena, CA
The Prisoner Wine Run 5k
Mar 24, 2024
Hemet, CA
Diamond Valley Lake Marathon
Mar 1, 2025
South Pasadena, CA
Empowering All Abilities 5K
Mar 23, 2024
Kernville, CA
Kernville Elementary St. Patrick's Day 5K
Mar 16, 2024
Brisbane, CA
Marina Double 15K
Mar 22, 2025
Yucca Valley, CA
Healthy Hearts 5K Run
Mar 23, 2024
Marysville, CA
BoK Kai 5K
Mar 9, 2024
Porterville, CA
PMA 5K Trail Run
Mar 9, 2024
Bell Gardens, CA
Bell Gardens Rising 5K
Mar 9, 2024
Santa Fe Springs, CA
Santa Fe Springs SHAMROCK 5K
Mar 9, 2024
Santa Venetia, CA
Rattlesnake Ramble
Mar 17, 2024
King City, CA
Rabbit Run 5K
Mar 30, 2024
Suisun City, CA
FSUSD Runs This #2
Mar 16, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Byxbee parkrun
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Mar 1, 2025Saturday
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5K run
More Information
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Palo Alto, CA
Santa Clara County, CA
2. 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
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. 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
5. Coast to Crest Trail Race
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Past DateMar 2, 2024Saturday
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10K, 5K trail run
More Information
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Del Mar, CA
San Diego County, CA
6. DairyAire 5K
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Past DateMar 2, 2024Saturday
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5K run | kids run
More Information
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Chino, CA
San Bernardino County, CA
7. HDR Kick Off 5000
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Past DateMar 2, 2024Saturday
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5K run
More Information
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Palmdale, CA
Los Angeles County, CA
8. Kingsburg Elementary and Rafer Johnson Junior High 5K
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Past DateMar 2, 2024Saturday
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5K run
More Information
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Kingsburg, CA
Fresno County, CA
9. Lakewood Run
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Past DateMar 2, 2024Saturday
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10K, 5K run
More Information
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Lakewood, CA
Los Angeles County, CA
10. LASAA Mug Run - East Los Angeles Sheriff's Station
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Past DateMar 2, 2024Saturday
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10K, 5K run
More Information
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Commerce, CA
Los Angeles County, CA
11. Napa Valley Marathon
-
Mar 2, 2025Sunday
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26.2M, 13.1M, 5K run
More Information
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Boston Marathon Qualifier
-
Calistoga, CA
Napa County, CA
12. Randy Jones Run/Walk for Independence
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Past DateMar 2, 2024Saturday
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5K run
More Information
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San Diego, CA
San Diego County, CA
13. 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
14. 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
15. Lunar New Year Run
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Past DateMar 3, 2024Sunday
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10K, 5K run
Virtual OptionMore Information
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San Francisco, CA
San Francisco County, CA
16. Michael J. Fox Foundation Run
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Past DateMar 3, 2024Sunday
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5K run
More Information
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Los Angeles, CA
Los Angeles County, CA
17. Rodeo Run 5K/10K
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Past DateMar 3, 2024Sunday
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10K, 5K run | kids run
More Information
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Huntington Beach, CA
Orange County, CA
18. Run For Rio 5K
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Past DateMar 3, 2024Sunday
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5K run | kids run
Virtual OptionMore Information
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Aptos, CA
Santa Cruz County, CA
19. Fog City Run
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Mar 5, 2025Wednesday
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5K run
More Information
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San Francisco, CA
San Francisco County, CA
20. Byxbee parkrun
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Mar 8, 2025Saturday
-
5K run
More Information
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Palo Alto, 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.