California Half Marathons By City • By Date
Each half marathon that takes place in California is listed below, and when you click the link you’ll find info for each race — what the course is like and a map of the route, the elevation change, whether it’s fast and flat or hilly and challenging, how to sign up, and more.
Featured listing:
Berkeley Half Marathon, 10K & 5K – November 19, 2017
Join more than 10,000 runners on a scenic tour of Berkeley, CA. Use the special discount code HMNET when you sign up.
Agoura Hills
The Great Race of Agoura Hills Half Marathons, 10K & 5K
Alameda
See Jane Run Women’s Half Marathon & 5K – San Francisco Bay Area
American Canyon
Lynch Canyon Trail Run Half Marathon, 10K & 5K
Anaheim
Disney Tinker Bell Half Marathon & Never Land 5K
Antioch
Drag-N-Fly Trail Half Marathon, 10K & 5K
Apple Valley
Mojave Narrows Regional Park Half Marathon, 5K & 10K
Aptos
Forest of Nisene Marks Marathon, Half Marathon & 5K
Dirt Inspires™ Women’s Trail Half Marathon
Arcata
Humboldt Bay Marathon & Half Marathon
Avalon
Catalina Island Conservancy Half Marathon
Catalina Island Eco Marathon, Half Marathon & 10K
Azusa
Revel Canyon City Marathon & Half Marathon
Bakersfield
Bakersfield Track Club’s A Riverbed Runs Through It Half Marathon & 5K
Berkeley
Berkeley Half Marathon, 10K & 5K
Berkeley Trail Adventure Half Marathon, 10K, 35K & 50K
Big Sur
Big Sur Trail Marathon, Half Marathon & 5-Mile Run
Borrego Springs
Borrego Springs Half Marathon, Quarter Marathon & Fun Walk
Brentwood
Los Vaqueros Tarantula Run Half Marathon, 10K & 5K
Burlingame
Divas Half Marathon & 5K in San Francisco Bay
Calistoga
Napa Valley Harvest Half Marathon, 10K & 5K
Napa Valley Silverado Half Marathon & 5K
Napa Valley Trail Marathon, Half Marathon & 10K
Napa Wine Country Marathon, Half Marathon & 10K
Camarillo
Camarillo Half Marathon, 5K & 10K
Harvest Half Marathon, 10K & 5K
Holly Jolly Half Marathon, 5K & 10K
Campbell
ZombieRunner Halloween Marathon, Half Marathon & 5-Mile
Camp Pendleton
Camp Pendleton Heartbreak Ridge Half Marathon
Castro Valley
Bad Bass Half Marathon, 10K & 5K
Brazen New Year’s Day Half Marathon, 10K & 5K
Brazen New Year’s Eve Half Marathon, 10K & 5K
Lake Chabot Trail Challenge Half Marathon & 5K
Catalina Island
Chico
Almond Bowl Half Marathon, Relay & 5K
Bidwell Classic Half Marathon & 5K
Hooker Oak Trail Half Marathon
Chino
Ayala Park Marathon, Half Marathon & 50-Mile Run
Clarksburg
Paul Reese Memorial Clarksburg Country Run
Clayton
Diablo Trail Marathon, Half Marathon, 50K, 4 & 10-Miler
Cloverdale
Cloverdale Harvest Marathon, Half Marathon & 10K
Cool
Heart of Cool Trail Run Half Marathon, 10K & 5K
Corona
Billy Goat’s Half Marathon Hill Climb
Dana Point
Orangeman Running Series Salt Creek Half Marathon, 10K, 5K & 1K
Danville
Primo’s Run for Education Half Marathon
Davis
Davis Stampede Half Marathon, 10K & 5K
Davis Turkey Trot Half Marathon, 10K & 5K
Davisville Moo-nlight Half Marathon & 5K
Death Valley
Death Valley Borax Marathon, Half Marathon & 10K
Death Valley Half Marathon, 10K & 5K
Death Valley Trail Marathon & Half Marathon
Denair
Africa AIDS Run/Walk Half Marathon & 5K
Desert Hot Springs
Dog Valley
Dog Valley Dog Marathon & Half Marathon
Dove Canyon
Run The Dove Marathon & Half Marathon
El Cajon
St. Patrick’s Day Half Marathon
El Sobrante
Fall Showdown Trail Half Marathon, 5-Mile & 5K
Wildcat Half Marathon, 10K & 5K
Elk Grove
Running of the Elk Half Marathon, Relay & Thrive 5K
Encinitas
Escondido
Safari Park Half Marathon & 5K Family Fun Walk
Exeter
Fallbrook
Fairfield
Fairfield Running Festival Half Marathon, 10K, 5K & Kids’ Half-Mile
Folsom
Folsom Blues Breakout 13.1, Relay & 5K
Fontana
Fontana Days Run Half Marathon
Fountain Valley
Fishbowl Half Marathon, 10K & 5K
Fremont
Coyote Hills Half Marathon, 10K & 5K
Mermaid Run East Bay Half Marathon, 5K, 10K & Sirena 18-Mile
Quarry Turkey Half Marathon, 10K & 5K
Western Pacific Marathon, Half Marathon, 10K & 5K
ZombieRunner Quarry Lakes Run Marathon, Half Marathon, 10K & 5K
Zoom Quarry Lakes Half Marathon, 10K & 5K
Fresno
California Classic Half Marathon, Relay & 5K
Two Cities Marathon & Half Marathon
Wascally Wabbit Half Marathon & 2-Mile Run/Walk
Granite Bay
The Lost Trail Half Marathon Challenge & 5K Run/Walk
Tough As Granite Half Marathon, 10K & 5K Trail Run
Greenville
Running with the Bears Marathon, Half Marathon & 10K
Guadalupe
Salad Bowl Festival Half Marathon & 5K
Half Moon Bay
Half Moon Bay International Marathon & Half Marathon
Pillar Point Half Marathon, 10K & Family Fun Runs
Hanford
Hanford Half Marathon & 5K Fun Run
Healdsburg
Events With Sole Wine Country Marathon & Half Marathon
Healdsburg Wine Country Half Marathon
Water to Wine Half Marathon & Alderbrook 3-Mile Run
Highland
Highland Family YMCA Half Marathon, 10K & 5K
Huntington Beach
Love Your Heart Marathon & Half Marathon
Surf City USA Marathon, Half Marathon & 5K
Irvine
Cinco de Mayo Half Marathon, 10K, 5K, 1K & Bike Tour
La Jolla
La Jolla Half Marathon & La Jolla Shores 5K
Laguna Hills
City of Laguna Hills Memorial Half Marathon & 5K
Lake Hughes
Leona Valley Trail Races Marathon, Half Marathon, 10K & 5K
Lake Tahoe
Cal-Neva Half Marathon & Nevada Half Marathon
Lake Tahoe Marathon & Half Marathon
Las Flores
California Gold Rush Marathon & Half Marathon
Livermore
Grape Stomp Half Marathon, 10K & 5K
Lodi
Avenue of the Vines Half Marathon
Loma Linda
Lopers Club Holiday Classic Half Marathon & 5K
Lompoc
Valley of the Flowers Half Marathon
Long Beach
Hugs & Kisses Marathon & Half Marathon
Long Beach International Marathon, Half Marathon & 5K
Marina’s Long Beach Marina Marathon & Half Marathon
Rockin’ The Marina Marathon & Half Marathon
Los Angeles
Griffith Park Trail Half Marathon
Hollywood Half Marathon, 5K & 10K
Operation Jack Marathon, Half Marathon & 5K
Rock & Roll Los Angeles Half Marathon
Run to Remember Half Marathon & 10K
Los Gatos
Go Green St. Patrick’s Day Half Marathon, 10K & 5K
Zombie Runner Vasona Lake Run Half Marathon & 5-Mile Run
Sierra Azul Half Marathon Challenge & 10K Run
The Jungle Run Half Marathon & 10K
Malibu
Malibu International Marathon & Half Marathon
Mammoth Lakes
Quake & Shake 10K & Half Marathon
Martinez
Bear Creek Trail Half Marathon, 10K & 5K
Menifee
Modesto
Modesto Marathon, Half Marathon & 5K
Modesto Midnight Half Marathon
Montecito
Run Montecito Half Marathon, 10K, 5K & Kids Mile
Monterey
Morgan Hill
Morgan Hill Half Marathon & 5K
Mountain View
Sankara iWalk Half Marathon, 10K & 5K
Napa
Napa-to-Sonoma Wine Country Half Marathon
Napa Valley Stomp Trail Half Marathon, 10K & 5K
Newport Beach / Costa Mesa
OC Marathon, Half Marathon, 5K & Kids Run
Oakland
Big Trees Trail Run Half Marathon, 10K, 30K & 50K
Canyon Meadow Marathon, Half Marathon, 30K, 50K & 5-Miler
Cinderella Trail Run Marathon, Half Marathon, 10K & 50K
Cinderella Trail Run Half Marathon (Summer)
Hope in Motion Half Marathon, 10K & 5K
Oakland Running Festival Marathon, Half Marathon, Relay & 5K
Ojai
Lake Casitas Half Marathon & 5K Run/Walk
Mountains 2 Beach Marathon & Half Marathon
Olympic Valley
Squaw Valley Half Marathon & Run to Squaw 8-Miler
Ontario
Guns ‘N Hoses Half Marathon & 5K
Oxnard
Santa To The Sea Half Marathon, 5K & Relay
Wounded Warrior Half Marathon, 5K & Military Mile
XTERRA Point Mugu Xduro Trail Run
Pacifica
Pacifica Summit Run Half Marathon, 10K, 30K & 50K
Palm Springs
Pasadena
Pasadena Marathon, Half Marathon & 5K
Rock & Roll Pasadena Half Marathon
Paso Robles
Paso Robles Harvest Half Marathon & 5K
Wine Country Runs Half Marathon & 5K
Pescadero
Petaluma
Pinole
Nitro Trail Half Marathon, 10K & 5K
Placerville
Placerville’s Historic El Dorado Trail Half Marathon, 10K & 5K
Pleasanton
Pleasanton Half Marathon & Family Run
Pleasanton Run for Education Half Marathon & 5K
Pollock Pines
Run on the Sly Trail Half Marathon, 8-Mile, 20-Mile & 50K
Pomona
Five Cities Marathon, Half Marathon, 10K & 5K
Rancho Cordova
Rancho Palos Verdes
Lexus LaceUp Palos Verdes Half Marathon, 10K & 5K
Palos Verdes Half Marathon & 5K Run/Walk
Rancho Santa Fe
San Dieguito Half Marathon & 5K
Redding
Redlands
Run-Through-Redlands Half Marathon, 10K & 5K
Redwood City
OktobeRun Half Marathon & 5K Run/Walk
Skyline Ridge Half Marathon & 10K
Woodside Ramble Half Marathon, 10K, 35K & 50K
Reseda
Richmond
Wildcat Half Marathon, 10K & 5K
Zoom Point Pinole Half Marathon, 10K & 5K
Ridgecrest
Ridgecrest Run for the Fund Half Marathon, 10K & 5K
Riverside
Citrus Heritage Run Half Marathon & 5K
Lexus LaceUp Riverside Half Marathon, 10K & 5K
Mission Inn Run Half Marathon, 10K, 5K & Kids Run
Peppermint Ridge Half Marathon, 5K & 1K
Roseville
Whole Foods Running School Fun Run Half Marathon, 10K & 5K
Sacramento
American River Parkway Half Marathon & 5K
River City Marathon, Half Marathon, 10K & 5K
Run The River Marathon, Half Marathon, Ultramarathon & Relay
Urban Cow Half Marathon, Relay & 5K
San Diego
America’s Finest City Half Marathon & 5K
Carlsbad California Marathon & Half Marathon
Girls on the Go Half Marathon, 10K & 5K
Kaiser Permanente Thrive Half Marathon & 5K
Mermaid Half Marathon San Diego, 10K & 5K
Peace-Love-Run San Diego Half Marathon, 10K & 5K
San Diego Holiday Half Marathon
Rock & Roll San Diego Marathon & Half Marathon
USA Half Marathon Invitational
Women’s Running San Diego Half Marathon & 5K
Wild Horse Trail Half Marathon & 10K
San Dimas
Girls on the Go San Dimas Half Marathon, 10K & 5K
Spooktacular Los Angeles Half Marathon, 10K & 5K
San Francisco
Divas Half Marathon in San Francisco Bay
Giant Race Half Marathon, 10K & 5K
Golden Gate Headlands Half Marathon
Golden Gate Trail Half Marathon (Summer)
Kaiser Permanente Half Marathon
Lake Merced Half Marathon & 4.5-Mile Run
Nike Women’s Half Marathon San Francisco
The North Face Endurance Challenge Trail Run Half Marathon
Rock ‘n’ Roll San Francisco Half Marathon
Salomon CITYTRAIL Half Marathon, 10K & 5K
San Francisco Marathon, Half Marathons & 5K
US Half Marathon 2 – “The Other Half”
Virgin Sport SF Bay Half Marathon
ZombieRunner San Francisco Run Half Marathon & 10K
San Jacinto
Diamond
Valley Lake Marathon, Half Marathon & 5K
San Jose
Hellyer Half Marathon, 10K & 5K
National Veterans Day Run Half Marathon
New Almaden Haciendas Hills Half Marathon, 10K & 5K
Northern California Marathon & Half Marathon
The Metro Silicon Valley Marathon & Half Marathon
Quicksilver Challenge Half Marathon, 10K & 5K
Race to the End of Summer Half Marathon, 10K & 5K
San Jose Rock & Roll Half Marathon
Santa Teresa County Park – King Richard Annual Half Marathon, 10K & 5K
Trail Hog Half Marathon, 10K & 5K
Vibha Dream Mile Half Marathon, 10K & 5K Run/Walk
Zoom Turkey Trot Half Marathon, 10K & 5K
San Leandro
Bay Breeze Half Marathon, 10K & 5K
Summer Breeze Half Marathon, 10K & 5K
San Luis Obispo
San Luis Obispo Marathon, Half Marathon & 5K
San Mateo
Run With The Jets Half Marathon, 10K & 5K
San Miguel
Buzz Marathon, Half Marathon, 5K & 1-Mile Run
San Pedro
Conquer the Bridge Half Marathon & 5.3-Mile Race
San Rafael
Honey Badger Half Marathon, 10K & 5K
Marin County Half Marathon, 5K & 10K
San Ramon
Rocky Ridge Half Marathon, 10K & 5K
Santa Barbara
The Santa Barbara Half Marathon & 5K
Santa Barbara News-Press Half Marathon
Santa Barbara Red Rock Marathon, Half Marathon & 50-Mile
Santa Clarita
Santa Clarita Marathon & Half Marathon
Sugar Daddy Half Marathon, 10K & 5K
Santa Cruz
San Lorenzo River Marathon, Half Marathon, 10K, 30K & 50K
Santa Cruz Half Marathon & 10K
Santa Cruz Mountains Trail 10K, 21K, 29K & 50K
Surfer’s Path Marathon & Capitola Half Marathon
Santa Rosa
Annadel Half Marathon & Kathy’s Race 5K
The Santa Rosa Marathon & Half Marathon
Santa Ynez
Santa Barbara Wine Country Half Marathon
Saratoga
Sanborn Park Trail Challenge Half Marathon, 9-Mile & 4.2-Mile
Summit Rock Half Marathon, 10K & 5K
Trail Quake Half Marathon, 10K & 5K
Sausalito
Golden Gate Trail Run Half Marathon
Simi Valley
Arroyo Creek Half Marathon, 5K & 10K
Soledad
South El Monte
Going Bananas Marathon & Half Marathon
Run Deo Run 45K & Half Marathon
Stinson Beach
Muir Woods Marathon, Half Marathon & 7-Mile
Steep Ravine Trail Run Marathon, Half Marathon, 30K, 50K & 7-Mile
Stinson Beach Marathon, Half Marathon & 7-Mile
Stockton
St. Joseph’s Half Marathon & 5K
Sunnyvale
Sevathon Half Marathon, 10K & 5K
Tahoe City
Burton Creek Trail Run Half Marathon, 50K, 12K & 6K
Temecula
SoCal Wine Country Women’s Half Marathon
Temecula Valley Half Marathon & 5K
Temecula Wine Country Half Marathon
Thousand Oaks
XTERRA Boney Mountain Xduro Trail Half Marathon
Tiburon
Truckee
Truckee Marathon & Half Marathon
Truckee Running Festival Waddle Ranch Trail Half Marathon, 10K & 5K
Vacaville
California Run Festival Marathon, Half Marathon, 50K, 10K & 5K
Lagoon Valley Trail Half Marathon, 10K, 5K & 1/2-Mile
Sunrise Run Half Marathon, 10K, 5K & Kids’ Runs
Vallecito
Hernia Hill Half Marathon, 10K & 5K
Ventura
Half Marathon of the Harbors & 5K
Mountains 2 Beach Marathon & Half Marathon
Seaside Half Marathon, 10K & 5K
Shoreline Half Marathon, 10K & 5K
Surfer’s Point Marathon, Half Marathon, 10K & 5K
Ventura Hammer Half Marathon & 5K
Ventura Marathon, Half Marathon, 5K & Bike Rides
Visalia
End of the Trail Half Marathon
Vista
Vista Beer Run Half Marathon & 5K
Walnut Creek
Diablo Summit Stomp Half Marathon, 30K, 10K & 5K
Diablo Trails Challenge Half Marathon, 10K, 5K & 50K
Walnut Creek Half Marathon, Relay & 5K
Weed
Weed Run for Schools Half Marathon, 10K & 5K
Weott/Eureka
Avenue of the Giants Marathon, Half Marathon & 10K
Humboldt Redwoods Marathon & Half Marathon
Westwood
Bizz Johnson Trail Express Half Marathon
Windsor
Windsor Green Half Marathon, 10K & 5K
Woodside
Woodside Half Marathon & 5-Mile Run
Woodside King’s Mountain Half Marathon & 5-Mile Run
