California Race Calendar

California Half Marathons by Date • By City

Browse all 2022 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 2022

Sat Jan 1 Brazen New Year's Day Half Marathon 10K & 5K Castro Valley CA
Sat Jan 1 Hacienda Hills Run Marathon Half Marathon 50K 10K 5K & 9M San Jose CA
Sat Jan 1 Happy New Year Half Marathon Long Beach CA
Sat Jan 1 Run in the New Year Half Marathon 10K & 5K Huntington Beach CA
Sun Jan 2 Happy New Year Half Marathon Santa Monica CA
Sat Jan 8 Citrus Heritage Run Half Marathon 10K & 5K Riverside CA
Sat Jan 8 Operation Jack Marathon Half Marathon & 5k Los Angeles CA
Sun Jan 9 Del Dios Half Marathon 10K & 5K Escondido CA
Sun Jan 9 Dia de Reyes Half Marathon Fresno CA
Sun Jan 9 Run in the New Year Half Marathon Santa Monica CA
Sun Jan 16 Carlsbad Marathon Half Marathon & 5K Carlsbad CA
Sun Jan 16 Crystal Springs (Winter) Trail Run Woodside CA
Sun Jan 16 Rose Bowl Half Marathon & 5K Pasadena CA
Sat Jan 22 Coyote Hills Half Marathon Fremont CA
Sat Jan 22 No Hands Trail Run 50k 35k Half Marathon & 8k Auburn CA
Sat Jan 22 San Diego Resolution Run San Diego CA
Sat Jan 22 Winter Dash Half Marathon Long Beach CA
Sun Jan 23 Winter Fun Half Marathon Santa Monica CA
Sat Jan 29 China Camp Challenge Half Marathon 10k & 5k San Rafael CA
Sat Jan 29 Folsom Lake Sweetwater Trail Run Folsom CA
Sat Jan 29 Mt. Diablo Trail Run 50k 25k Half Marathon & 10k Clayton CA
Sat Jan 29 Rotary Mission Ten Half Marathon 10M & 5k San Juan Bautista CA
Sun Jan 30 Winter Dash Half Marathon Santa Monica CA

February 2022

Sat Feb 5 Death Valley Marathon Half Marathon & 10k Death Valley CA
Sat Feb 5 Golden Gate (Winter) 50k Marathon 30k Half Marathon & 5M Sausalito CA
Sat Feb 5 Mt. Umunhum Trail Conquest Marathon 30k Half Marathon 7M & 5k San Jose CA
Sat Feb 5 Sycamore Canyon Trail Race San Diego CA
Sun Feb 6 Griffith Park Trail Run Half Marathon 11k & Relay Los Angeles CA
Sun Feb 6 San Francisco Half Marathon 10K & 5K San Francisco CA
Sun Feb 6 Sombrero Half Marathon Simi Valley CA
Sun Feb 6 Surf City USA Marathon Half Marathon & 5k Huntington Beach CA
Sat Feb 12 Bay Breeze Half Marathon 10k & 5k San Leandro CA
Sat Feb 12 Happy Valentines Day Half Marathon Long Beach CA
Sat Feb 12 Super Sunday 5k Half Crazy Half Marathon Irvine CA
Sun Feb 13 Boney Mountain Trail Runs Half Marathon & 6k Thousand Oaks CA
Sun Feb 13 Griffith Park Half Marathon Los Angeles CA
Sun Feb 13 Happy Valentines Day Half Marathon Santa Monica CA
Sun Feb 13 Montara Mountain Trail Run Pacifica CA
Sun Feb 13 Palm Desert Half Marathon Palm Desert CA
Sun Feb 13 Rattlesnake Ramble Half Marathon 10k & 5k Santa Venetia CA
Sat Feb 19 Beach Fun Half Marathon Long Beach CA
Sat Feb 19 Buzz Marathon Half Marathon 10k & 5k San Miguel CA
Sat Feb 19 Saratoga to the Sea Trail Run Half Marathon & 8k Saratoga CA
Sun Feb 20 Beer City Half Marathon Santa Rosa CA
Sun Feb 20 Davis Stampede Half Marathon Davis CA
Sun Feb 20 Ocean Breeze Half Marathon Santa Monica CA
Sun Feb 20 Seaside Marathon Half Marathon 10K & 5K Ventura CA
Sat Feb 26 Lost Trail Half Marathon Granite Bay CA
Sat Feb 26 Mermaid Half Marathon San Diego San Diego CA
Sat Feb 26 Victory Race Half Marathon 10k & 5k Richmond CA
Sun Feb 27 Beach Dash Half Marathon Santa Monica CA
Sun Feb 27 Berkeley Half Marathon Berkeley CA
Sun Feb 27 Ventura Marathon & Half Marathon Ventura CA

March 2022

Sat Mar 5 Bayshore Triathlon Long Beach CA
Sat Mar 5 Bidwell Classic Half Marathon Chico CA
Sat Mar 5 Montana de Oro Trail Run 50k 36k Half Marathon & 12k Los Osos CA
Sat Mar 5 San Joaquin River Trail Half Marathon & 10K Auberry CA
Sat Mar 5 Sanborn Trail Challenge Half Marathon 8-Mile & 4-Mile Saratoga CA
Sat Mar 5 SOCAL River Marathon Half Marathon 10K & 5K Huntington Beach CA
Sun Mar 6 Livermore Valley Half Marathon Livermore CA
Sun Mar 6 Napa Valley Marathon & Half Marathon Calistoga CA
Sun Mar 6 Run Through Redlands Redlands CA
Sat Mar 12 End of the Trail Half Marathon & 10K Visalia CA
Sat Mar 12 Griffith Park Trail 50k Marathon & Half Marathon Los Angeles CA
Sat Mar 12 Running with the Bears Marathon Half Marathon & 10K Greenville CA
Sun Mar 13 San Luis Obispo Spartan Trail 50k Half Marathon & 10k Santa Margarita CA
Sun Mar 13 Shamrock'n Half Marathon Sacramento CA
Sat Mar 19 Badger Cove Half Marathon Livermore CA
Sat Mar 19 Folsom South Side Trail Run Folsom CA
Sat Mar 19 Napa Valley Trail Marathon Half Marathon & 10K Calistoga CA
Sat Mar 19 Zoom San Francisco Half Marathon 10k & 5k San Francisco CA
Sun Mar 20 Beer City Half Marathon Santa Rosa CA
Sun Mar 20 Napa Valley Women's Half Marathon Napa CA
Sun Mar 20 Oakland Running Festival Marathon Half Marathon 10K & 5K Oakland CA
Sun Mar 20 Tesoro Viejo Spring Classic Half Marathon Madera CA
Sat Mar 26 Golden Gate Headlands Marathon Half Marathon & 10k Mill Valley CA
Sat Mar 26 Knickerbocker Canyon Trail Run Auburn CA
Sat Mar 26 South Hills Single Track Trail Run – Spring San Jose CA
Sat Mar 26 Valencia Trail Race Half Marathon 50K & 10K Santa Clarita CA
Sun Mar 27 Bakersfield Marathon Half Marathon 10K & 5K Bakersfield CA
Sun Mar 27 Modesto Marathon Half Marathon 10k & 5k Modesto CA
Sun Mar 27 Reaching for the Cure Half Marathon Irvine CA
Sun Mar 27 San Diego Half Marathon 10K & 5K San Diego CA

April 2022

Sat Apr 2 Fiercelifit Half Marathon Fremont CA
Sat Apr 2 Folsom Lake Falcon Crest Trail Run El Dorado Hills CA
Sat Apr 2 The Great Race Half Marathon 10K 5K & 1M Agoura Hills CA
Sat Apr 2 Redwood 50k Marathon 30k Half Marathon & 5M Oakland CA
Sun Apr 3 Run Rocklin Half Marathon 12k & 5k Rocklin CA
Sat Apr 9 Diablo Trails Challenge 50k Half Marathon 10k & 5k Walnut Creek CA
Sat Apr 9 McFarland USA Half Marathon McFarland CA
Sat Apr 9 Romancing the Island Half Marathon & 10K Angel Island SP CA
Sat Apr 9 Santa Teresa King Richard Trail Run Half Marathon 10M 10k & 5k San Jose CA
Sun Apr 10 Heavenly Half Marathon Auberry CA
Sun Apr 10 San Diego Beach and Bay Half Marathon 10K & 5K San Diego CA
Sat Apr 16 La Jolla Half Marathon & 5K Del Mar CA
Sat Apr 16 Napa Valley Endurance Run 50k 35k & Half Marathon Calistoga CA
Sat Apr 16 Rodeo Beach Rumble 50k 30k Half Marathon & 8k Sausalito CA
Sat Apr 16 Ruth McKenzie Preserve Half Marathon Friant CA
Sat Apr 16 SPASM Lake Chabot 50k Marathon 30k & Half Marathon Castro Valley CA
Sat Apr 16 Woodside Crossover Trail Half Marathon 50K 35K & 10K Woodside CA
Sat Apr 23 California Gold Rush Trail Run Coloma CA
Sat Apr 23 Heartbreak Ridge Run Half Marathon Camp Pendleton CA
Sat Apr 23 Mt. Tam Wild Boar Half Marathon Mill Valley CA
Sun Apr 24 San Jose 8k & Half San Jose CA
Sat Apr 30 American River Parkway Half Marathon Sacramento CA
Sat Apr 30 Mermaid Run East Bay 18M Half Marathon 10k & 5k Fremont CA
Sat Apr 30 Sierra Azul Trail Challenge San Jose CA

May 2022

June 2022

Sat Jun 4 Calero Trail Run San Jose CA
Sat Jun 4 Fontana Days Run Half Marathon & 5k Fontana CA
Sat Jun 4 Loco Go Big or Go Home Challenge Butte Meadows CA
Sat Jun 4 Truckee Running Festival Half Marathon 10K & 5K Truckee CA
Sun Jun 5 Lake Chabot Trail Challenge Half Marathon 10k & 5k Castro Valley CA
Sun Jun 5 Rock 'n' Roll San Diego Marathon Half Marathon & Relay San Diego CA
Sun Jun 5 Spartan Trail Half Marathon 50K & 10K – Monterey Salinas CA
Sat Jun 11 Cinderella Trail Run 50k Marathon Half Marathon & 10k Oakland CA
Sat Jun 11 Mt. Umunhum Ultras San Jose CA
Sat Jun 11 Olympic Valley Half Olympic Valley CA
Sat Jun 11 Valley Crest Half Marathon & 10K Tarzana CA
Sun Jun 12 Mary Jane Race Half Marathon 10k & 5k Santa Barbara CA
Sat Jun 18 Black Mountain 50k 25k & Half Marathon San Diego CA
Sat Jun 18 China Camp Trail Run Half Marathon 10k & 5k San Rafael CA
Sat Jun 18 Goleta Beach Half Marathon Goleta CA
Sat Jun 18 San Lorenzo River 50k Marathon Half Marathon & 10k Santa Cruz CA
Sat Jun 18 Sugar Daddy Race Half Marathon 10k & 5k Santa Clarita CA
Sun Jun 19 Burton Creek Trail Run Half Marathon 12k & 6k Tahoe City CA
Sat Jun 25 Angel Island Half Marathon & 5M Tiburon CA
Sun Jun 26 Arroyo Creek Half Marathon 10K & 5K Simi Valley CA

July 2022

August 2022

September 2022

Sat Sep 3-Sun Sep 4 Bizz Johnson 50k Marathon Half Marathon & 10k Susanville CA
Sat Sep 10 Mendocino Running Festival Mendocino CA
Sat Sep 10 Oaktown Half Marathon Oakland CA
Sun Sep 11 Run To Remember Los Angeles Half Marathon & 10k Los Angeles CA
Sat Sep 17 Pacifica Summit Run 30k Half Marathon & 10k Pacifica CA
Sat Sep 17 South Hills Single Track Trail Run – Fall San Jose CA
Sun Sep 18 Diablo Trail Run 50k Marathon Half Marathon 10M & 4M Clayton CA
Sat Sep 24 Big Sur Trail Marathon Half Marathon & 5M Big Sur CA
Sat Sep 24 ZombieRunner San Francisco San Francisco CA
Sun Sep 25 Honey Badger Half Marathon Santa Venetia CA

October 2022

November 2022

Sat Nov 5 Almaden Hills Trail Run San Jose CA
Sat Nov 5 Joshua Tree Half Marathon Joshua Tree CA
Sat Nov 5 Lake Chabot 50k Marathon 30k Half Marathon & 5M Castro Valley CA
Sun Nov 6 Golden Gate Half Marathon & 5K San Francisco CA
Sun Nov 6 Malibu Half Marathon & 5K Malibu CA
Sun Nov 6 Santa Barbara Half Marathon & 5k Santa Barbara CA
Sun Nov 6 Surfers Point Marathon Half Marathon 10K & 5K Ventura CA
Sun Nov 6 Two Cities Marathon Half Marathon 10k & 5k Fresno CA
Fri Nov 11 Southwest Series Marathon Half Marathon 10K & 5K – Day 6 Nipton CA
Sat Nov 12 Revel Big Bear Marathon & Half Marathon Big Bear CA
Sun Nov 13 Clarksburg Country Run Clarksburg CA
Sun Nov 13 Monterey Bay Half Marathon Monterey CA
Sun Nov 13 Silver Strand Half Marathon Coronado CA
Sat Nov 19 Trail Run at Sly Park Marathon Half Marathon 50K 18M 8.5M 10K & 5K Pollock Pines CA
Thu Nov 24 Zoom Turkey Trot San Jose CA

December 2022