Half Marathons in California
From first-timer-friendly flats to trails worth traveling for, find a California half marathon that fits your goals and your sense of adventure.
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upcoming races
463 races
2026 Brian Waterbury Memorial Rock to Pier Fun Run · Morro Bay, California
Bad Bass Half Marathon · Castro Valley, California
Davis Moonlight Run · Davis, California
Muir Woods Mt. Challenge · Stinson Beach, California
Brian Waterbury Memorial Rock to Pier Run · Morro Bay, California
Hot to Trot 5k, 10k, 15k, Half Marathon · Los Angeles, California
Muir Woods Mountain Challenge · Stinson Beach, California
Rockin’ Summer 5k, 10k, 15k, Half Marathon · South El Monte, California
2026 Napa to Sonoma Wine Country Half Marathon & Rosé 5K · Napa, California
LBC - Good Vibes Run 5K, 10K, & Half Marathon by Califlow Runs · Long Beach, California
Run for Coffee Lovers 5K/10K/13.1 SAN FRANCISCO · San Francisco, California
Run for Coffee Lovers 5K/10K/13.1 LOS ANGELES · Los Angeles, California
Run for Coffee Lovers 5K/10K/13.1 SAN DIEGO · San Diego, California
Run for Coffee Lovers 5K/10K/13.1 SACRAMENTO · Sacramento, California
Run for Donuts 5K/10K/13.1 LOS ANGELES · Los Angeles, California
Long Beach Good Vibes Run 5K, 10K, and Half Marathon · Long Beach, California
Half-Marathon Training for Fun & Fitness · Grass Valley, California
Rim Nordic XC MTB Race Series #2 · Running Springs, California
San Francisco Marathon · San Francisco, California
BOO-gie Glow Run 5K 10K Half Marathon - SummerWeen Series by Califlow Runs · Long Beach, California
Summer Fun 5k, 10k, 15k, Half Marathon · long beach, California
Napa to Sonoma Wine Country Half Marathon · Sonoma, California
Summer Breeze Half Marathon · San Leandro, California
Truckee Half Marathon and 5K · Truckee, California
Green Valley Lake 5k/10k/& Half Marathon · Green Valley Lake, California
Dog Days of Summer – 5K, 10K, 10M, and Half Marathon · Long Beach, California
Rodeo Valley Trail Run · Sausalito, California
Tiki Time Run: Paradise Run 5K, 10K, & Half Marathon by Califlow Runs · Long Beach, California
Truckee Half Marathon and 5K · Truckee, California
Camarillo Marathon · Camarillo, California
Skyline 50K · Castro Valley, California
Hell Of A Half Marathon & 2 Person Relay · Exeter, California
Bear Creek · Orinda, California
Noyo Headlands Race · Fort Bragg, California
Lucky 8 5k, 10k, 15k, Half Marathon · long beach, California
Mt. Madonna Challenge · Gilroy, California
Humboldt Bay Marathon · Eureka, California
SAR Wild Run · Shaver Lake, California
Howl at the Moon – 5K, 10K, 10M, and Half Marathon · Long Beach, California
Monterey Bay Half 13.1, 10k, 5k · Pacific Grove, California
Sun and Summit 5k, 10k, 15k, Half Marathon · Los Angeles, California
Sundae Funday - Ice Cream Run 5K, 10K, and Half Marathon by Califlow Runs · Long Beach, California
Redwood (Summer) Trail Run · Oakland, California
Beer City Half™ SLAM · Fremont, California
The TRON Night Run: Neon Grid 5K & 10K · Canoga Park, California
Summer Sensation 5k, 10k, 15k, Half Marathon · long beach, California
Bagel Run 5K/10K/13.1 SAN FRANCISCO · San Francisco, California
Run for PB& J 5K/10K/13.1 SAN FRANCISCO · San Francisco, California
Run for PB& J 5K/10K/13.1 LOS ANGELES · Los Angeles, California
Run for PB& J 5K/10K/13.1 SACRAMENTO · Sacramento, California
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