California Half Marathons by Date • By City
Browse all 2020-2021 California half marathons by month below. For each race, you’ll find course maps, elevation profiles, runner reviews, and how to sign up.
When you view a race, you’ll also find contact info if you’re having problems with your registration or need to contact the race directors.
January 2021
| Fri Jan 1 | Brazen New Year's Day Half Marathon 10K & 5K | Castro Valley CA |
| Fri Jan 1 | Clikapudi Trail Runs Half Marathon 10K & 5K | Redding CA |
| Sat Jan 2 | Run in the New Year Half Marathon 10K & 5K | Huntington Beach CA |
| Sun Jan 3 | Dia De Reyes Half Marathon & 5K | Fresno CA |
| Sun Jan 10 | Del Dios Half Marathon 10K & 5K | Escondido CA |
| Sun Jan 17 | Rose Bowl Half Marathon & 5K | Pasadena CA |
| Sun Jan 24 | Sombrero Half Marathon | Simi Valley CA |
February 2021
| Sat Feb 6 | Death Valley Marathon Half Marathon & 10K | Death Valley CA |
| Sun Feb 7 | Surf City USA Marathon & Half Marathon | Huntington Beach CA |
| Sat Feb 13 | San Pasqual Valley Half Marathon & 10K | Escondido CA |
| Sat Feb 20 | San Jose Spartan Trail Half Marathon 50K & 10K | Saratoga CA |
| Sun Feb 21 | Seaside Marathon Half Marathon 10K & 5K | Ventura CA |
| Sat Feb 27 | The Lost Trail Half Marathon & 5K | Granite Bay CA |
March 2020
April 2020
May 2020
| Sun May 3 | Bay Bridge Half Marathon | Oakland CA |
| Sat May 9 | Yosemite Half Marathon | Bass Lake CA |
| Sun May 17 | Gold Country Half Marathon & 5K | El Dorado Hills CA |
| Sun May 17 | Surfer's Path Marathon & Capitola Half Marathon | Santa Cruz CA |
| Sun May 17 | Windsor Run and Wine Half Marathon 10K & 5K | Windsor CA |
| Sun May 31 | Lake Balboa Half Marathon | Van Nuys CA |
June 2020
| Sat Jun 6 | Loco Go Big or Go Home Challenge | Butte Meadows CA |
| Sun Jun 21 | Running of the Elk Half Marathon 10K & 5K | Elk Grove CA |
| Sun Jun 28 | Arroyo Creek Half Marathon 10K & 5K (Virtual) | Simi Valley CA |
| Sun Jun 28 | Mammoth Half Marathon & 5K (Virtual) | Mammoth Lakes CA |
July 2020
| Sat Jul 11 | Summer Dash Half Marathon 15K 10K & 5K | Huntington Beach CA |
| Sun Jul 12 | Craft Classic Half Marathon & 5K – San Diego | San Diego CA |
| Sun Jul 12 | Summer Breeze Half Marathon 15K 10K & 5K | Huntington Beach CA |
| Sat Jul 18 | Summer Sizzle Half Marathon 15K 10K & 5K | Huntington Beach CA |
| Sun Jul 19 | Rockin' Summer Half Marathon 15K 10K & 5K | Huntington Beach CA |
| Sun Jul 26 | Summer Break Half Marathon 15K 10K & 5K | Huntington Beach CA |
August 2020
| Sat Aug 15 | Beachfront Run Half Marathon 10K & 5K | Ventura CA |
| Sat Aug 15 | Running with the Bears Marathon Half Marathon & 10K | Greenville CA |
September 2020
| Sun Sep 6 | Pier to Peak Half Marathon | Santa Barbara CA |
October 2020
November 2020
December 2020
| Sat Dec 5 | Death Valley Trail Marathon & Half Marathon | Death Valley NP CA |
| Sat Dec 5 | Saddleback Marathon & Half Marathon | Lake Elsinore CA |
| Sun Dec 6 | Elves on Trails Half Marathon & 5-Mile | San Juan Capistrano CA |
| Sat Dec 12 | Hark the Herald Angels Half Marathon & 10K | Tiburon CA |
| Sat Dec 12 | Sugar Daddy Half Marathon 10K & 5k | Santa Clarita CA |
| Sat Dec 12 | Summit Rock Half Marathon 10K & 5K | Saratoga CA |
| Sun Dec 13 | Holiday Half Marathon | Pomona CA |
| Sun Dec 13 | Napa to Sonoma Wine Country Half Marathon & 5K | Sonoma CA |
| Sun Dec 13 | Santa to the Sea Half Marathon Quarter Marathon 5K & Relay | Oxnard CA |
| Sun Dec 13 | ZombieRunner Quarry Lakes Run Half Marathon | Fremont CA |
| Sat Dec 19 | Reindeer Run Half Marathon 15K 10K & 5K | Van Nuys CA |
| Sat Dec 19 | San Diego Holiday Half Marathon | La Jolla CA |
| Sat Dec 19 | Woodside Ramble Half Marathon 50K 35K & 10K | Redwood City CA |
| Sun Dec 27 | Brazen (Almost) New Year's Eve Half Marathon 10K & 5K | Fremont CA |
