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.

2022-2023 calendar of California half marathons

Agoura Hills

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

Agua Dulce

Spacerock Trail Race Half Marathon 10k & 5k

Angel Island SP

Angel Island Half Marathon & 5-Mile

Romancing the Island Half Marathon & 10K

Auberry

San Joaquin River Trail Half Marathon & 10K

Heavenly Half Marathon

Auburn

Knickerbocker Canyon Trail Run

No Hands Trail Run 50k 35k Half Marathon & 8k

Bakersfield

Bakersfield Marathon Half Marathon 10K & 5K

Bass Lake

Yosemite Half Marathon

Berkeley

Berkeley Half Marathon, 10K & 5K

Grizzly Peak 5-k Marathon 30k Half Marathon & 10k

Big Bear

Revel Big Bear Marathon & Half Marathon

Big Sur

Big Sur Trail Marathon, Half Marathon & 5-Mile Run

Brea

Ransomed Run Half Marathon

Butte Meadows

Loco Go Big or Go Home Challenge

Calistoga

Napa Valley Endurance Run 50k 35k & Half Marathon

Napa Valley Marathon & Half Marathon

Napa Valley Trail Marathon, Half Marathon & 10K

Napa Wine Country Marathon, Half Marathon & 10K

Camarillo

Camarillo Marathon, Half Marathon, 10K & 5K

Holly Jolly Half Marathon, 5K & 10K

Camp Pendleton

Camp Pendleton Heartbreak Ridge Half Marathon

Carlsbad

Carlsbad Marathon Half Marathon & 5K

Castro Valley

Bad Bass Half Marathon, 10K & 5K

Brazen New Year’s Day Half Marathon, 10K & 5K

Lake Chabot 50k Marathon 30k Half Marathon & 5M

Lake Chabot Trail Challenge Half Marathon & 5K

Rock the Loch Half Marathon, 10K & 5K

Skyline 50k & Half Marathon

SPASM Lake Chabot 50k Marathon 30k & Half Marathon

Chico

Bidwell Classic Half Marathon

Clayton

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

Mt. Diablo Trail Run 50k 25k Half Marathon & 10k

Cloverdale

Cloverdale Harvest Marathon, Half Marathon & 10K

Coloma

California Gold Rush Trail Run

California Gold Rush Trail Run Half Marathon 15k 10k & 5k

Concord

Armed Forces Half Marathon

Coronado

Silver Strand Half Marathon

Davis

Davis Stampede Half Marathon, 10K & 5K

Davisville Moo-nlight Half Marathon & 5K

Death Valley

Death Valley Borax Marathon, Half Marathon & 10K

Death Valley Trail Marathon & Half Marathon

Del Mar

La Jolla Half Marathon & 5K

El Dorado Hills

Folsom Lake Falcon Crest Trail Run

Gold Country Half

Escondido

Del Dios Half Marathon 10K & 5K,

Exeter

Hell of a Half Marathon

Folsom

Folsom Lake Sweetwater Trail Run

Folsom South Side Trail Run

Fontana

Fontana Days Run Half Marathon

Fremont

Coyote Hills Half Marathon, 10K & 5K

ZombieRunner Quarry Lakes Marathon, Half Marathon, 30K, 10K & 5K

Zoom Firecracker Half Marathon 10k & 5k

Fresno

California Classic Half Marathon, 10K & 5K

Dia de Reyes Half Marathon

Friant

Ruth McKenzie Preserve Half Marathon

Goleta

Goleta Beach Half Marathon

Granite Bay

The Lost Trail Half Marathon Challenge & 5K Run/Walk

Greenville

Running with the Bears Marathon, Half Marathon & 10K

Huntington Beach

Run in the New Year Half Marathon 10K & 5K

SOCAL River Marathon Half Marathon 10K & 5K,

Surf City USA Marathon, Half Marathon & 5K

Irvine

Reaching for the Cure Half Marathon

Super Sunday 5k Half Crazy Half Marathon

Joshua Tree

Joshua Tree Half Marathon

Kirkwood

Kirkwood Thunder Mountain Trail Challenge

La Jolla

La Jolla Half Marathon & La Jolla Shores 5K

San Diego Holiday Half Marathon

Lafayette

Bear Creek Half Marathon, 10K & 5K

Laguna Hills

Laguna Hills Memorial Day Half Marathon, 10K & 5K

Livermore

Badger Cove Half Marathon

Livermore Half Marathon & 5K

Lone Pine

John Wayne Grit Series – Lone Pine Half Marathon & 10k

Long Beach

Bayshore Triathlon

Happy New Year Half Marathon

Long Beach International Marathon, Half Marathon & 5K

Winter Dash Half Marathon

Los Angeles

Finish the Run – Griffith Park Half Marathon 10k & 5k

Griffith Park Trail Run 50k Marathon & Half Marathon

Operation Jack Marathon, Half Marathon & 5K

Run to Remember Half Marathon & 10K

Los Osos

Montana de Oro Trail Run 50k 36k Half Marathon & 12k

Madera

Tesoro Viejo Spring Classic Half Marathon

Malibu

Malibu International Marathon & Half Marathon

McFarland

McFarland USA Half Marathon

Mendocino

Mendocino Running Festival

Mill Valley

Golden Gate Headlands Marathon Half Marathon & 10k

Mt. Tam Wild Boar Half Marathon

Modesto

Modesto Marathon, Half Marathon & 5K

Peace Officer Memorial Run Half Marathon 5k 1M & Relay

Monterey

Monterey Bay Half Marathon

Morgan Hill

Rancho Canada Del Oro Trail Challenge

Rancho Hills Trail Run

Napa

Napa Half Marathon & 5K

Napa Valley Endurance Run 50k 35k & Half Marathon

Napa Valley Marathon & Half Marathon

Napa Valley Trail Marathon Half Marathon & 10K

Napa Valley Women’s Half Marathon

Napa Wine Country Marathon Half Marathon & 10K

WineShine Half Marathon & 3.9-Miler

Newport Beach / Costa Mesa

OC Marathon, Half Marathon, 5K & Kids Run

Nipton

Southwest Series Marathon Half Marathon 10K & 5K – Day 6

Oakland

Bay Bridge Half Marathon

Cinderella Trail Run Marathon, Half Marathon, 10K & 50K

Oakland Redwoods Half Marathon, 10K & 5K

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

Oaktown Half Marathon

Redwood 50k Marathon 30k Half Marathon & 5M,

Redwood Trail Run (Summer) 50k Marathon 30k Half Marathon & 5M

Olympic Valley

Olympic Valley Half Marathon & 8-Miler

Orinda

Tilden Trail Marathon Half Marathon & 10k

Oxnard

Santa To The Sea Half Marathon, 5K & Relay

Pacifica

Montara Mountain Trail Run

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

Palm Desert

Palm Desert Half Marathon

Palo Alto

Horseshoe Lake 5-k Marathon Half Marathon & 5M

Pasadena

Pasadena Trail Half Marathon

Rose Bowl Half Marathon & 5K

Pinole

Nitro Trail Half Marathon, 10K & 5K

Pioneertown

John Wayne Grit Series – Pioneertown Half Marathon & 10k

Placerville

Placerville’s Holiday Jingle and Mingle Run Half Marathon 15k 10k & 5k

Pollock Pines

Trail Run at Sly Park (May)

Trail Run at Sly Park (August)

Trail Run at Sly Park Marathon Half Marathon 50K 18M 8.5M 10K & 5K

Redlands

Run-Through-Redlands Half Marathon, 10K & 5K

Richmond

Victory Race Half Marathon 10k & 5k

Riverside

Citrus Heritage Run Half Marathon & 5K

Santa Hustle Roseville Half Marathon & 5K

Sacramento

Shamrock’n Half Marathon & 5K

Urban Cow Half Marathon

Salinas

Spartan Trail Half Marathon 50K & 10K – Monterey

San Diego

America’s Finest City Half Marathon & 5K

Black Mountain 50k 25k & Half Marathon

Mermaid Half Marathon San Diego

Rock ‘n’ Roll San Diego Marathon & Half Marathon

San Diego Beach & Bay Half Marathon, 5K & 5K

San Diego Half Marathon

San Diego Holiday Half Marathon

San Diego Resolution Run

Sycamore Canyon Trail Race

San Dimas

Holiday Running Festival Half Marathon

San Francisco

Golden Gate Half Marathon & 5K

Kaiser Permanente Half Marathon

The San Francisco Marathon, Half Marathons, 10K, 5K & Ultra

ZombieRunner San Francisco

Zoom San Francisco Half Marathon 10k & 5k

San Jose

Almaden Hills Trail Run

Hacienda Hills Run Marathon Half Marathon 50K 10K 5K & 9M

Lake Merced Half Marathon & 4.5-Mile

Mt. Umunhum Trail Conquest Marathon 30k Half Marathon 7M & 5k

San Jose 8k & Half

San Jose Rock & Roll Half Marathon

Santa Teresa County Park – King Richard Annual Half Marathon, 10K & 5K

Sierra Azul Trail Challenge Half Marathon

Vibha Dream Mile Half Marathon, 10K & 5K

Zoom Turkey Trot Half Marathon, 10K & 5K

ZombieRunner Halloween Marathon Half Marathon 10k & 5k

San Juan Bautista

Rotary Mission Ten Half Marathon 10M & 5k

San Leandro

Bay Breeze Half Marathon, 10K & 5K

Summer Breeze Half Marathon, 10K & 5K

San Miguel

Buzz Marathon, Half Marathon, 5K & 1-Mile Run

San Rafael

China Camp Challenge Half Marathon, 10K & 5K

China Camp Trail Run Half Marathon 10k & 5k,

San Ramon

Rocky Ridge Half Marathon, 10K & 5K

Santa Barbara

Mary Jane Race Half Marathon 10k & 5k

Santa Barbara Half Marathon & 5k

Santa Clarita

Santa Clarita Marathon & Half Marathon

Sugar Daddy Half Marathon, 10K & 5K

Valencia Trail Race Half Marathon 50K & 10K

Santa Cruz

San Lorenzo River Marathon, Half Marathon, 10K, 30K & 50K

Surfer’s Path Marathon & Capitola Half Marathon

Santa Margarita

San Luis Obispo Spartan Trail 50k Half Marathon & 10k

Santa Rosa

Beer City Half Marathon

The Santa Rosa Marathon & Half Marathon

Santa Venetia

Honey Badger Half Marathon

Rattlesnake Ramble Half Marathon 10k & 5k

Saratoga

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

Saratoga to the Sea Trail Run Half Marathon & 8k

Trail Quake Half Marathon, 10K & 5K

Sausalito

Golden Gate (Summer) 50k Marathon 30k Half Marathon & 5M

Golden Gate Trail Run Half Marathon (Winter)

Rodeo Beach Rumble 50k 30k Half Marathon & 8k

Simi Valley

Arroyo Creek Half Marathon, 5K & 10K

Sombrero Half Marathon

Sonoma

Napa to Sonoma Wine Country Half Marathon

South Lake Tahoe

Lake Tahoe Marathon & Half Marathon Weekend

Stinson Beach

Muir Woods Marathon, Half Marathon & 7-Mile

Table Rock Trail Run Half Marathon 30K & 10K

Susanville

Bizz Johnson Trail Marathon, Half Marathon, 50K & 10K

Tahoe City

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

Tarzana

Valley Crest Half Marathon & 10K

Thousand Oaks

Boney Mountain Trail Runs Half Marathon & 6k

Tiburon

Angel Island Half Marathon & 5-Mile

Angel Island Half Marathon & 10k

Truckee

Truckee Half Marathon

Truckee Running Festival Half Marathon 10K & 5K

Ventura

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 Marathon, Half Marathon, 5K & Bike Rides

Visalia

End of the Trail Half Marathon

Walnut Creek

Diablo Summit Stomp Half Marathon, 30K, 10K & 5K

Weott/Eureka

Avenue of the Giants Marathon, Half Marathon & 10K

Humboldt Redwoods Marathon & Half Marathon

Windsor

Windsor Run & Wine Half Marathon 10k & 5k

Woodside

Crystal Springs 50k Marathon 22M Half Marathon & 5M

Crystal Springs (Winter) Trail Run

Woodside Crossover Trail Half Marathon 50K 35K & 10K