March 5Ks in California
Morgan Hill, CA
Wildflower Run
Mar 30, 2025
Novato, CA
Lucky Run
Mar 16, 2025
Newport Beach, CA
Spirit Run
Mar 16, 2025
Lakewood, CA
Lakewood Run
Mar 1, 2025
Visalia, CA
ProYouth 5K and 2 mile Color Run
Mar 1, 2025
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
Western Pacific Half Marathon
Mar 29, 2025
Sonoma, CA
Viansa Wine Run 5K
Mar 23, 2025
Temecula, CA
Shamrock Steps 5K
Mar 16, 2024
San Bernardino, CA
Kappa Delta Shamrock 5K
Mar 23, 2024
Santa Rosa, CA
St. Patrick's Day 5K
Mar 17, 2024
Culver City, CA
Screenland 5K
Mar 2, 2025
Huntington Beach, CA
SOCAL Marathon
Mar 1, 2025
Rodeo Run 5K/10K
Mar 9, 2025
Del Mar, CA
Coast to Crest Trail Race
Mar 8, 2025
Riverside, CA
Boys & Girls Clubs of Inland Valley Annual Family 5K
Mar 23, 2024
Ryan Bonaminio parkrun
Nov 9, 2024
Nov 16, 2024
Nov 23, 2024
Nov 30, 2024
48 more
Granite Bay, CA
Mighty Dog 5K/10K
Mar 22, 2025
San Jose, CA
San Jose Shamrock Run
Mar 15, 2025
South Hills Single Track Trail Run - Spring
Mar 22, 2025
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 22, 2025
San Clemente, CA
Shamrock Run San Clemente 5K/10K
Mar 16, 2024
Santa Monica, CA
Pinch Me I'm Running Half Marathon
Mar 9, 2025
Spring Equinox Half Marathon
Mar 23, 2025
Only Fools Run - Almost Aprils Fools Day
Mar 30, 2025
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 15, 2025
Ridgecrest, CA
Tony Bravo's Run For Your Life
Mar 8, 2025
Los Angeles, CA
Michael J. Fox Foundation Run
Mar 3, 2024
LASAA Mug Run - Special Enforcement Bureau
Mar 9, 2024
LA Big 5K
Mar 15, 2025
LA Big 5K Mission1Race for Health and Oneness
Mar 15, 2025
Irvine, CA
Reaching for the Cure
Mar 23, 2025
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
Crissy Field 5K
Mar 17, 2024
Easter Mountain Lake Park 5K
Mar 31, 2024
Fog City Run
Jan 15, 2025
Jan 22, 2025
Jan 29, 2025
Feb 5, 2025
47 more
Zoom San Francisco
Mar 15, 2025
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 29, 2025
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 22, 2025
Calistoga, CA
Napa Valley Marathon
Mar 2, 2025
San Diego, CA
Randy Jones Run/Walk for Independence
Mar 2, 2024
Liberty Station NTC Park 5K
Mar 9, 2024
Mermaid Half Marathon San Diego
Mar 8, 2025
Hot Chocolate 15K/10K/5K
Mar 9, 2025
Mission Beach Half Marathon
Mar 23, 2025
San Diego Half Marathon
Mar 23, 2025
Screen Your Gut, Save Your Butt 5K
Mar 29, 2025
Chino, CA
DairyAire 5K
Mar 2, 2024
Long Beach, CA
Saints Run 5K
Mar 9, 2024
Bayshore Triathlon
Mar 8, 2025
Leprechaun Chase - Half Marathon
Mar 8, 2025
Rockin Shamrock Half Marathon
Mar 15, 2025
Cat in the Hat Run Half Marathon
Mar 22, 2025
Spring Equinox Half Marathon
Mar 22, 2025
RunThrough Long Beach – 5K, 10K & Half Marathon
Mar 30, 2025
Elk Grove, CA
Running of the Elk
Mar 30, 2025
Yorba Linda, CA
Annual 5K With Hope
Mar 8, 2025
Oakland, CA
Oakland Marathon
Mar 23, 2025
Modesto, CA
Modesto Marathon
Mar 23, 2025
La Habra, CA
La Habra Run
Mar 9, 2024
San Jacinto, CA
San Jacinto Fun Run
Mar 29, 2025
Placerville, CA
Spirit of Benny 10K/5K
Mar 8, 2025
Richmond, CA
Victory Race
Mar 1, 2025
Dublin, CA
Shamrock 5K
Mar 16, 2025
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 29, 2025
San Dimas, CA
5K for Fragile X
Mar 15, 2025
Fort Bragg, CA
Whale Run and Walk
Mar 15, 2025
Saint Helena, CA
The Prisoner Wine Run 5k
Mar 24, 2024
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 8, 2025
Valley Center, CA
Wicked Wine Run San Diego
Mar 1, 2025
Bell Gardens, CA
Bell Gardens Rising 5K
Mar 8, 2025
Santa Fe Springs, CA
Santa Fe Springs SHAMROCK 5K
Mar 9, 2024
Santa Venetia, CA
Rattlesnake Ramble
Mar 17, 2024
Valencia, CA
Rockin Shamrock Half Marathon
Mar 16, 2025
King City, CA
Rabbit Run 5K
Mar 30, 2024
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| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
| No | Race Date | Race | Location | Options |
|---|---|---|---|---|
| 1 |
Mar 1, 2025
Saturday
|
Byxbee parkrun
5K run
More Information
|
Palo Alto, CA
Santa Clara County, CA
|
|
| 2 |
Mar 1, 2025
Saturday
|
Lakewood Run
10K, 5K run
More Information
 |
Lakewood, CA
Los Angeles County, CA
|
|
| 3 |
Mar 1, 2025
Saturday
|
ProYouth 5K and 2 mile Color Run
5K run | 2M novelty run
More Information
|
Visalia, CA
Tulare County, CA
|
|
| 4 |
Mar 1, 2025
Saturday
|
Ryan Bonaminio parkrun
5K run
More Information
|
Riverside, CA
Riverside County, CA
|
|
| 5 |
Mar 1, 2025
Saturday
|
SOCAL Marathon
26.2M, 13.1M, 10K, 5K run | kids run
Virtual Option
More Information
|
Huntington Beach, CA
Orange County, CA
|
|
| 6 |
Mar 1, 2025
Saturday
|
Victory Race
13.1M, 10K, 5K run
More Information
|
Richmond, CA
Contra Costa County, CA
|
|
| 7 |
Mar 1, 2025
Saturday
|
Wicked Wine Run San Diego
5K run
More Information
 |
Valley Center, CA
San Diego County, CA
|
|
| 8 |
Past Date
Mar 2, 2024
Saturday
|
Bidwell Classic Half Marathon
13.1M, 5K run | 13.1M relay
More Information
|
Chico, CA
Butte County, CA
|
|
| 9 |
Past Date
Mar 2, 2024
Saturday
|
DairyAire 5K
5K run | kids run
More Information
|
Chino, CA
San Bernardino County, CA
|
|
| 10 |
Past Date
Mar 2, 2024
Saturday
|
HDR Kick Off 5000
5K run
More Information
|
Palmdale, CA
Los Angeles County, CA
|
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| 11 |
Past Date
Mar 2, 2024
Saturday
|
Kingsburg Elementary and Rafer Johnson Junior High 5K
5K run
More Information
|
Kingsburg, CA
Fresno County, CA
|
|
| 12 |
Past Date
Mar 2, 2024
Saturday
|
LASAA Mug Run - East Los Angeles Sheriff's Station
10K, 5K run
More Information
|
Commerce, CA
Los Angeles County, CA
|
|
| 13 |
Mar 2, 2025
Sunday
|
Napa Valley Marathon
26.2M, 13.1M, 5K run
More Information
|
Calistoga, CA
Napa County, CA
|
|
|
Boston Marathon Qualifier
|
||||
| 14 |
Past Date
Mar 2, 2024
Saturday
|
Randy Jones Run/Walk for Independence
5K run
More Information
|
San Diego, CA
San Diego County, CA
|
|
| 15 |
Mar 2, 2025
Sunday
|
Run Through Redlands
13.1M, 10K, 5K run | kids run
More Information
|
Redlands, CA
San Bernardino County, CA
|
|
| 16 |
Mar 2, 2025
Sunday
|
Screenland 5K
5K run | kids run
Virtual Option
More Information
|
Culver City, CA
Los Angeles County, CA
|
|
| 17 |
Past Date
Mar 3, 2024
Sunday
|
Lunar New Year Run
10K, 5K run
Virtual Option
More Information
|
San Francisco, CA
San Francisco County, CA
|
|
| 18 |
Past Date
Mar 3, 2024
Sunday
|
Michael J. Fox Foundation Run
5K run
More Information
|
Los Angeles, CA
Los Angeles County, CA
|
|
| 19 |
Past Date
Mar 3, 2024
Sunday
|
Run For Rio 5K
5K run | kids run
Virtual Option
More Information
|
Aptos, CA
Santa Cruz County, CA
|
|
| 20 |
Mar 5, 2025
Wednesday
|
Fog City Run
5K run
More Information
|
San Francisco, CA
San Francisco County, CA
|
City Location
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.
