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
444 races
The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual) · Castro Valley, California
Goleta Beach Half Marathon, 10K, 5K, Kid's 1-Mile · Goleta, California
Summertime in the LBC 5K, 10K, & Half Marathon by Califlow Runs · Long Beach, California
That Dam Race 13K, 13.1, 26.2 · San Jose, California
Mare Island Half Marathon · Vallejo, California
Alien Run – 5K, 10K, 10M, and Half Marathon · Long Beach, California
Mare Island Half Marathon · Vallejo, California
Burton Creek Trail Run · Tahoe City, California
Stars and Stripes 5k, 10k, 15k, Half Marathon · long beach, California
Liberty Station Relay and 5K · San Diego, California
Red, White & Blue Race · Fort Bragg, California
Independence Day 5k, 10k, 15k, Half Marathon · long beach, California
July 4th Run 5K/10K/13.1 SAN FRANCISCO · San Mateo, California
Run for Chocolate 5K/10K/13.1 SAN FRANCISCO · San Mateo, California
July 4th Run 5K/10K/13.1 SAN DIEGO · San Diego, California
Run for Chocolate 5K/10K/13.1 SAN DIEGO · San Diego, California
July 4th Run 5K/10K/13.1 LOS ANGELES · Los Angeles, California
July 4th Run 5K/10K/13.1 SACRAMENTO · Sacramento, California
Run for Chocolate 5K/10K/13.1 LOS ANGELES · Los Angeles, California
Run for Chocolate 5K/10K/13.1 SACRAMENTO · Sacramento, California
Rancho Hills Trail Run · Morgan Hill, California
Liberty Station Relay and 5K · San Diego, California
Red, White & Blue 5k, 10k, 15k, Half Marathon · Van Nuys, California
Red, White, and Run – 5K, 10K, and Half Marathon · Long Beach, California
San Lorenzo River Trail Run · Santa Cruz, California
Beer City Half™ Alameda · Alameda, California
Endless Summer in the LBC 5K, 10K, & Half Marathon by Califlow Runs · Long Beach, California
WEST COAST ROAD RUNNERS FALL 2026 HALF & FULL MARATHON TRAINING PROGRAM · San Diego, California
Shoreline Marathon · Ventura, California
Valley Crest Trails · Los Angeles, California
LBC Summer Breeze – 5K, 10K, 10M, and Half Marathon · Long Beach, California
Strides in Recovery Community Event · Long Beach, California
2026 Brian Waterbury Memorial Rock to Pier Fun Run · Morro Bay, California
Bad Bass Half Marathon · Castro Valley, California
Davis Moonlight Run · Davis, 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
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