Half Marathons in California in May
22 half marathons in California are on the calendar for May 2027, in Long Beach, Costa Mesa, Arcata, Newport Beach and more. Tap a race for the course, weather, past results and how to register.
Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & Half Marathon · Long Beach, California
The Hoag OC Marathon Running Festival · Costa Mesa, California
2027 Avenue of the Giants Marathon · Arcata, California
2027 OC Marathon - Half Marathon - 5K · Newport Beach, California
Bay Bridge Half Marathon · Oakland, California
Cycle Through the Vineyards · Temecula, California
May the 4th be with You- The Empire Strides Back 5K, 10K, & Half Marathon by Califlow Runs · Long Beach, California
OC Marathon Running Festival · Costa Mesa, California
Beer City Half™ Sacramento · Sacramento, California
Paiute Meadows Trail Run · Susanville, California
Run for Chocolate 5k/10k/13.1 LOS ANGELES · Los Angeles, California
Santa Barbara Wine Country Half Marathon · Solvang, California
Wine Half Marathon, Napa Edition · Napa, California
Yosemite Half Marathon · Bass Lake, California
Long Beach Mother's Day Bloom & Zoom 5K, 10K, Half Marathon by Califlow Runs · Long Beach, California
Trailquake · Saratoga, California
14th Annual Luc's Run · Tuolumne, California
La Jolla Half Marathon, 10K, & 5K · La Jolla, California
Wildcat · El Sobrante, California
Venice Beach Half Marathon & 5K · Venice, California
Beer City Half San Jose · San Jose, California
Spartan Trail - Monterey · Salinas, California