Half Marathons in California in April
20 half marathons in California are on the calendar for April 2027–2028, in Bakersfield, Hemet, Modesto, Long Beach and more. Tap a race for the course, weather, past results and how to register.
Bakersfield Marathon · Bakersfield, California
Bedrock Valley Trail Runs · Hemet, California
Modesto Marathon · Modesto, California
World Health Day: 5K 10K Half Marathon Running for a Better World by Califlow Runs · Long Beach, California
Noli Indian School Trail Races · San Jacinto, California
Run for Bagels 5K/10K/13.1 LOS ANGELES · Los Angeles, California
San Diego Beach & Bay Half Marathon · San Diego, California
2027 Silver Moon Race · Reedley, California
Badger Cove · Livermore, California
Horseshoe Lake Trail Run · Los Gatos, California
Mountains 2 Beach Marathon and Half · Ventura, California
Run for the Planet -An Earth Day Run by CaliFlow Runs - 5K, 10K, Half Marathon · Long beach, California
Silver Moon Race: Kings River · Reedley, California
Mountains 2 Beach Marathon · Ventura, California
Coffee Lover Run LOS ANGELES · Los Angeles, California
Nail the Rail Half Marathon, 10K & 5K · Shasta Lake, California
Run for Donut LOS ANGELES · Los Angeles, California
SPASM Lake Chabot Trail Run · Castro Valley, California
2027 Napa Spring Half Marathon & 5K · Napa, California
Pre-Registration Bakersfield Marathon 2028 · Bakersfield, California