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.
336
upcoming races
336 races
13th Annual Luc's Run · Tuolumne, California
La Jolla Half Marathon & 5K · San Diego, California
The Afterlife 5K, 10K, Half Marathon- Night SummerWeen Series by Califlow Runs · Long Beach, California
The Cobra 5Kai, 10Kai & Half Miyagithon · Canoga Park, California
Wild Rose Half Marathon & 5K · Roseville, California
Sutter Buttes Spirit Mountain Run 5K, 10K & Half Marathon · Sutter, California
Coastal Giants 5K, 10K, Half Marathon · Watsonville, California
13 Mile Trail Race Top Down · San Jose, California
Beach Dash 5k, 10k, 15k, Half Marathon · long beach, California
The Valley Race – 5k, 10k, and Half Marathon · Van Nuys, California
PÁLI PEAK TRAIL RUN · Bakersfield, California
Run for Mental Health 5K/10K/13.1 SAN FRANCISCO · San Mateo, California
Memorial Day Run 5K/10K/13.1 LOS ANGELES · Los Angeles, California
Memorial Day Run 5K/10K/13.1 SAN DIEGO · San Diego, California
Memorial Day Run 5K/10K/13.1 SAN FRANCISCO · San Mateo, California
Memorial Day Run 5K/10K/13.1 SACRAMENTO · Sacramento, California
Run to Remember 5k, 10k, 15k, Half Marathon · long beach, California
Placerville Path Memorial Day Run · Placerville, California
Sweet Life - Pineapple Run 5K. 10K. Half Marathon by Califlow Runs · Long Beach, California
Forever Brave 5k, 10k, 15k, Half Marathon · Valencia, California
Lighthouse Half Marathon · Long Beach, California
Laguna Hills Memorial Day Half Marathon, 5K & 10K · Laguna Hills, California
Memorial Day 5k, 10k, 15k, Half Marathon · long beach, California
16th Annual BEACHFRONT RUN · Ventura, California
Cinderella Trail Run · Oakland, California
Calero Trail Run · San Jose, California
Sonoma Coast Trail Runs · Duncans Mills, California
Run into Summer Vibes 5K, 10K, and Half Marathon · Venice Beach, California
Blue Moon 5K. 10K. Half Marathon by Califlow Runs · Long Beach, California
The Great White Chase – 5K, 10K, 10M, and Half Marathon · Long Beach, California
Spartan Trail - Monterey · Salinas, California
Pinkathon 2026 Virtual and In-Person Challenge for Breast Cancer! · Any Place in the World!, California
71st Annual Fontana Days Run · Fontana, California
SuperHero - Runbelievable - 5K. 10K. Half Marathon by Califlow Runs · Long Beach, California
Wrigley River Run & Tadpole Trot · Long Beach, California
SuperHeroes Run 5K/10K/13.1 LOS ANGELES · Los Angeles, California
SuperHeroes Run 5K/10K/13.1 SACRAMENTO · Sacramento, California
SuperHeroes Run 5K/10K/13.1 SAN DIEGO · San Diego, California
SuperHeroes Run 5K/10K/13.1 SAN FRANCISCO · San Francisco, California
Fun in the Sun 5k, 10k, 15k, Half Marathon · long beach, California
2026 Lake Chabot Trail Challenge (Half Marathon & 5K) · Castro Valley, California
Seaside Marathon · Ventura, California
WICKED FAST MARATHON & HALF MARATHON SAN DIEGO · El Cajon, California
The Praise Run 2026 · Victorville, California
Phoenix Rising 5k, 10k, 15k, Half Marathon · Los Angeles, California
Olympic Valley Half Marathon, 8-Miler, and 5K · Olympic Valley, California
Good Vibes Run – 5K, 10K, 10M, and Half Marathon · Long Beach, California
Old Zoo Half Marathon · Los Angeles, California
Rare Strides 5k, 10k, 15k, Half Marathon · long beach, California
Sugar Daddy Race · Santa Clarita, California
Showing 50 of 336