Updated Jul 23, 2026 · Page 2
Half Marathons in California
Browse 140 upcoming running races in California with dates, cities, distances, registration status, and official links.
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Upcoming running races
140 races found
Last updated Jul 23, 2026
Long Beach, CA 90803 | 3.1 Miles
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Long Beach, CA 90802 | 3.1 Miles
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Mar 14, 2027
2027 Moonlight Beach Half Marathon, 10k & 6k
Encinitas, CA | Half Marathon, 10K
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Mar 14, 2027
The Long Beach Leprechaun Run - Kids Dash, 1 Miler, 5k, 10K, & Half Marathon by Califlow Runs
Long Beach, CA 90803 | 300 Yards
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Mar 14, 2027
2027 Shamrock'n Weekend
West Sacramento, CA 95691 | Half Marathon, 10K, 5K
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Mar 27, 2027
Como La Flor 5K. 10K, Half Marathon by Califlow Runs
Long Beach, CA 90803 | 3.1 Miles
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Long beach, CA 90803 | 3.1 Miles
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Apr 18, 2027
Santa Cruz Westside Half Marathon 10k/5k
Santa Cruz, CA | Half Marathon, 10K, 5K
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Apr 24, 2027
Nail the Rail Half Marathon, 10K & 5K
Shasta Lake, CA 96019 | 13.1 Miles
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May 2, 2027
May the 4th be with You- The Empire Strides Back 5K, 10K, & Half Marathon by Califlow Runs
Long Beach, CA 90803 | 3.1 Miles
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Long Beach, CA 90814 | 3.1 Miles
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May 16, 2027
Venice Beach Half Marathon and 5k
Santa Monica, CA 90405 | Half Marathon, 5K
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Jun 4, 2028
Pre Reg 2028 Wrigley River Run & Tadpole Trot
Long Beach, CA 90806 | 13.1 Miles
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Showing races 101–140 of 140.