California Half Marathons

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.

You’ll also find contact info if you’re having problems with your registration or need to contact the race directors.

2021-2022 calendar of California half marathons

Agoura Hills

The Great Race of Agoura Hills Half Marathons, 10K & 5K


See Jane Run Women’s Half Marathon & 5K – San Francisco Bay Area

American Canyon

Lynch Canyon Trail Run Half Marathon, 10K & 5K


Disney Tinker Bell Half Marathon & Never Land 5K

Disneyland Half Marathon


Drag-N-Fly Trail Half Marathon, 10K & 5K

Apple Valley

Mojave Narrows Regional Park Half Marathon, 5K & 10K


Forest of Nisene Marks Marathon, Half Marathon & 5K

Dirt Inspires™ Women’s Trail Half Marathon


Humboldt Bay Marathon & Half Marathon


Catalina Island Conservancy Half Marathon

Catalina Island Eco Marathon, Half Marathon & 10K


Revel Canyon City Marathon & Half Marathon


Bakersfield Track Club’s A Riverbed Runs Through It Half Marathon & 5K


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


Los Vaqueros Tarantula Run Half Marathon, 10K & 5K


Divas Half Marathon & 5K in San Francisco Bay


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 Half Marathon, 5K & 10K

Harvest Half Marathon, 10K & 5K

Holly Jolly Half Marathon, 5K & 10K


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

Buffalo Run Half Marathon


Almond Bowl Half Marathon, Relay & 5K

Bidwell Classic Half Marathon & 5K

Hooker Oak Trail Half Marathon


Ayala Park Marathon, Half Marathon & 50-Mile Run


Paul Reese Memorial Clarksburg Country Run


Diablo Trail Marathon, Half Marathon, 50K, 4 & 10-Miler


Cloverdale Harvest Marathon, Half Marathon & 10K


Heart of Cool Trail Run Half Marathon, 10K & 5K


Billy Goat’s Half Marathon Hill Climb

Dana Point

Orangeman Running Series Salt Creek Half Marathon, 10K, 5K & 1K


Danville Half Marathon

Primo’s Run for Education Half Marathon


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

Death Valley Trail Marathon & Half Marathon


Africa AIDS Run/Walk Half Marathon & 5K

Desert Hot Springs

Skyborne Half Marathon & 5K

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 Half Marathon


Cougar Run Half Marathon & 5K

Raptor Ridge Half Marathon

Safari Park Half Marathon & 5K Family Fun Walk


Hell of a Half Marathon


Avocado Half Marathon & 5K


Fairfield Running Festival Half Marathon, 10K, 5K & Kids’ Half-Mile


Folsom Blues Breakout 13.1, Relay & 5K


Fontana Days Run Half Marathon

Fountain Valley

Fishbowl Half Marathon, 10K & 5K


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


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


Running with the Bears Marathon, Half Marathon & 10K


Salad Bowl Festival Half Marathon & 5K

Half Moon Bay

Half in Half Moon Bay & 10K

Half Moon Bay International Marathon & Half Marathon

Pillar Point Half Marathon, 10K & Family Fun Runs


Hanford Half Marathon & 5K Fun Run


Events With Sole Wine Country Marathon & Half Marathon

Healdsburg Wine Country Half Marathon

Water to Wine Half Marathon & Alderbrook 3-Mile Run


Highland Family YMCA Half Marathon, 10K & 5K

Huntington Beach

Love Your Heart Marathon & Half Marathon

Surf City USA Marathon, Half Marathon & 5K


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


Grape Stomp Half Marathon, 10K & 5K

Livermore Half Marathon & 5K


Avenue of the Vines Half Marathon

Loma Linda

Lopers Club Holiday Classic Half Marathon & 5K


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

13.1 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

Valley Crest Half Marathon

Women Run LA Half Marathon, 10K & 5K

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 International Marathon & Half Marathon

Mammoth Lakes

Mammoth Half Marathon & 5K

Quake & Shake 10K & Half Marathon


Bear Creek Trail Half Marathon, 10K & 5K


Menifee Half Marathon & 5K


Modesto Marathon, Half Marathon & 5K

Modesto Midnight Half Marathon


Run Montecito Half Marathon, 10K, 5K & Kids Mile


Monterey Bay Half Marathon

Morgan Hill

Morgan Hill Half Marathon & 5K

Mountain View

Sankara iWalk Half Marathon, 10K & 5K


Napa Half Marathon & 5K

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


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 Redwoods Half Marathon, 10K & 5K

Oakland Running Festival Marathon, Half Marathon, Relay & 5K

The Town’s Half Marathon & 5K


Lake Casitas Half Marathon & 5K Run/Walk

Mountains 2 Beach Marathon & Half Marathon

Ojai Half Marathon, 10K & 5K

Ojai Valley Half Marathon

Olympic Valley

Squaw Valley Half Marathon & Run to Squaw 8-Miler


Guns ‘N Hoses Half Marathon & 5K


Santa To The Sea Half Marathon, 5K & Relay

Wounded Warrior Half Marathon, 5K & Military Mile

XTERRA Point Mugu Xduro Trail Run


Pacifica Summit Run Half Marathon, 10K, 30K & 50K

Pacifica Trail Run 21K

Palm Springs

Palm Springs Half Marathon


Pasadena Marathon, Half Marathon & 5K

Rock & Roll Pasadena Half Marathon

Rose Bowl Half Marathon & 5K

Paso Robles

Paso Robles Harvest Half Marathon & 5K

Wine Country Runs Half Marathon & 5K

Wine Vine Half Marathon & 5K

Pebble Beach

The Half Marathon at Pebble Beach, 10K & 5K


Artichoke Half Marathon & 10K


Clo-Cow Half Marathon & 5K

Pine Ridge

Heavenly Half Marathon


Nitro Trail Half Marathon, 10K & 5K


Placerville’s Historic El Dorado Trail Half Marathon, 10K & 5K


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


Five Cities Marathon, Half Marathon, 10K & 5K

Holiday Half Marathon & 5K

Rancho Cordova

Rock’n River Half Marathon

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


Three Bridges Half Marathon


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


Valley Crest Half Marathon


Marina Bay Half Marathon & 5K

Wildcat Half Marathon, 10K & 5K

Zoom Point Pinole Half Marathon, 10K & 5K


Ridgecrest Run for the Fund Half Marathon, 10K & 5K


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


Whole Foods Running School Fun Run Half Marathon, 10K & 5K


American River Parkway Half Marathon & 5K

River City Marathon, Half Marathon, 10K & 5K

Run The River Marathon, Half Marathon, Ultramarathon & Relay

Shamrock’n Half Marathon & 5K

Urban Cow Half Marathon, Relay & 5K

San Diego

America’s Finest City Half Marathon & 5K

Carlsbad California Marathon & Half Marathon

Foxy Run Half Marathon & 5K

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 Beach & Bay Half Marathon, 5K & 5K

San Diego Half Marathon

San Diego Holiday Half Marathon

Silver Strand 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 Half

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

Biofreeze 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

City To The Sea Half-Marathon

San Luis Obispo Marathon, Half Marathon & 5K

San Mateo

Bay Area Half Marathon

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

China Camp Challenge Half Marathon, 10K & 5K

Honey Badger Half Marathon, 10K & 5K

Marin County Half Marathon, 5K & 10K

San Ramon

Rocky Ridge Half Marathon, 10K & 5K

Santa Barbara

Pier to Peak Half Marathon

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


Sanborn Park Trail Challenge Half Marathon, 9-Mile & 4.2-Mile

Summit Rock Half Marathon, 10K & 5K

Trail Quake Half Marathon, 10K & 5K


Golden Gate Trail Run Half Marathon

Rodeo Beach Rumble Half Marathon, 50K, 30K & 8K

Simi Valley

Arroyo Creek Half Marathon, 5K & 10K


Salinas Valley Half Marathon

South El Monte

Going Bananas Marathon & Half Marathon

Run Deo Run 45K & Half Marathon

Stinson Beach

Muir Woods Marathon, Half Marathon & 7-Mile

Rabbit Chase Race Half Marathon, 10K & 30K

Steep Ravine Trail Run Marathon, Half Marathon, 30K, 50K & 7-Mile

Stinson Beach Marathon, Half Marathon & 7-Mile


St. Joseph’s Half Marathon & 5K


Sevathon Half Marathon, 10K & 5K

Tahoe City

Burton Creek Trail Run Half Marathon, 50K, 12K & 6K


SoCal Wine Country Women’s Half Marathon

Temecula Half Marathon & 5K

Temecula Valley Half Marathon & 5K

Temecula Wine Country Half Marathon

Thousand Oaks

XTERRA Boney Mountain Xduro Trail Half Marathon


Angel Island Half Marathon & 5-Mile

Romancing the Island Half Marathon & 10K

Tiburon Half Marathon & 5K


Truckee Marathon & Half Marathon

Truckee Running Festival Waddle Ranch Trail Half Marathon, 10K & 5K


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


Hernia Hill Half Marathon, 10K & 5K


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


End of the Trail Half Marathon


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 Run for Schools Half Marathon, 10K & 5K


Avenue of the Giants Marathon, Half Marathon & 10K

Humboldt Redwoods Marathon & Half Marathon


Bizz Johnson Trail Express Half Marathon


Windsor Green Half Marathon, 10K & 5K


Woodside Half Marathon & 5-Mile Run

Woodside King’s Mountain Half Marathon & 5-Mile Run