California Half Marathons by Date • By City
Browse all 2019-2020 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 2020
| Wed Jan 1 | Brazen New Year's Day Half Marathon 10K & 5K | Castro Valley CA |
| Sat Jan 4 | Citrus Heritage Run Half Marathon 10K & 5K | Riverside CA |
| Sun Jan 5 | Dia De Reyes Half Marathon & 5K | Fresno CA |
| Sat Jan 11 | Irvine Half Marathon & 5K | Irvine CA |
| Sun Jan 19 | Pasadena Half Marathon & 5K | Pasadena CA |
| Sun Jan 19 | Tri-City Medical Center Carlsbad Marathon & Half Marathon | Carlsbad CA |
| Sat Jan 25 | Coyote Hills Half Marathon 10K & 5K | Fremont CA |
| Sun Jan 26 | Sombrero Half Marathon | Simi Valley CA |
February 2020
| Sun Feb 2 | Surf City USA Marathon & Half Marathon | Huntington Beach CA |
| Sat Feb 8 | Death Valley Marathon Half Marathon & 10K | Death Valley CA |
| Sat Feb 15 | Bay Breeze Half Marathon 10K & 5K | San Leandro CA |
| Sat Feb 15 | San Pasqual Valley Half Marathon & 10K | Escondido CA |
| Sun Feb 16 | Seaside Marathon Half Marathon 10K & 5K | Ventura CA |
| Sun Feb 23 | Women Run LA Half Marathon 10K & 5K | Los Angeles CA |
| Sat Feb 29 | Victory Half Marathon 10K & 5K | Richmond CA |
March 2020
April 2020
| Sat Apr 4 | Ramblas Run Half Marathon 10K & 5K | San Juan Capistrano CA |
| Sat Apr 4 | Romancing the Island Half Marathon & 10K | Angel Island SP CA |
| Sun Apr 5 | Artichoke Half Marathon 10K & 5K | Pescadero CA |
| Sun Apr 5 | Rock 'n' Roll San Francisco Half Marathon | San Francisco CA |
| Sat Apr 11 | Diablo Trails Challenge Half Marathon 50K 10K & 5K | Walnut Creek CA |
| Sat Apr 18 | Ruth McKenzie Preserve Half Marathon 10K & 5K | Friant CA |
| Sat Apr 18 | San Diego Beach and Bay Half Marathon 10K & 5K | San Diego CA |
| Sun Apr 19 | Napa Valley Silverado Half Marathon 10K & 5K | Calistoga CA |
| Sat Apr 25 | Mt. Tam Wild Boar Half Marathon & 10K | Big Sur CA |
| Sat Apr 25 | Western Pacific Marathon Half Marathon 10K & 5K | Fremont CA |
| Sun Apr 26 | Finish the Run Half Marathon 10K & 5K | Los Angeles CA |
| Sun Apr 26 | La Jolla Half Marathon & 5K | La Jolla CA |
| Sun Apr 26 | Marin County Half Marathon 10K & 5K | San Rafael CA |
| Sun Apr 26 | San Luis Obispo Half Marathon | San Luis Obispo CA |
May 2020
| Sun May 3 | Avenue of the Giants Marathon Half Marathon & 10K | Weott CA |
| Sun May 3 | Bay Bridge Half Marathon | Oakland CA |
| Sun May 3 | OC Marathon Half Marathon & 5K | Newport Beach CA |
| Sat May 9 | Muir Woods Marathon Half Marathon & 7-Mile | Stinson Beach CA |
| Sat May 9 | Santa Barbara Wine Country Half Marathon | Solvang CA |
| Sat May 9 | Wildcat Half Marathon 10K & 5K | El Sobrante CA |
| Sat May 9 | Yosemite Half Marathon | Bass Lake CA |
| Sat May 16 | Nitro Trail Half Marathon 10K & 5K | Pinole 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 24 | Mountains 2 Beach Marathon & Half Marathon | Ventura CA |
| Sat May 30 | SoCal Wine Country Women's Half Marathon & 5K | Temecula CA |
| Sun May 31 | Lake Balboa Half Marathon | Van Nuys CA |
| Sun May 31 | Rock 'n' Roll San Diego Marathon & Half Marathon | San Diego CA |
| Sun May 31 | Trail Quake Half Marathon 10K & 5K | Saratoga CA |
