in 12 days
Fleet Feet Fall Classic - Trail October 18th, 2026
Chico, CA1,600 ft gain
Half Marathon4 mi
Open until Oct 16from $45
Half Marathons in California
As of October 6, 2026, Crewable lists 95 upcoming half marathons in California from October 2026 to September 2027. The next is Coffee Lovers Run 5K/10K/13.1 LOS ANGELES on October 10 in Los Angeles. Registration is open for 54. 3 advertise prize money.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
5 aid
3 aidin 12 days
Witches Wave - Halloween Run 5K, 10K, and Half Marathon by Califlow Runs
Huntington Beach, CA
Half Marathon10K+1
Open until Oct 18from $15
in 11 days
Night of the Living Runners – 5K, 10K, 10-Miler, Half Marathon
Long Beach, CA
Half Marathon10 mi+2
Open until Oct 17from $24.50
Race calendar
October 2026
43 races2026 Humboldt Redwoods Marathon, Half Marathon, 5K
Weott, CAMarathonHalf Marathon+1Open until Oct 11from $60Back to the Future: 88 MPH Dash 5K, 10K & Half
Canoga Park, CAHalf Marathon10K+1Open until Oct 18from $34.99Night of the Living Runners – 5K, 10K, 10-Miler, Half Marathon
Long Beach, CAHalf Marathon10 mi+2Open until Oct 17from $24.50The Peak 50K, Marathon & Half Marathon
Julian, CA10,000 ft gain50KMarathon+1Open until Oct 15from $115Fleet Feet Fall Classic - Trail October 18th, 2026
Chico, CA1,600 ft gainHalf Marathon4 miOpen until Oct 16from $45Witches Wave - Halloween Run 5K, 10K, and Half Marathon by Califlow Runs
Huntington Beach, CAHalf Marathon10K+1Open until Oct 18from $15Malibu Moves: Half Marathon, 10K, 5K, 1-Mi & 1K
Malibu, CAHalf Marathon10K+2Open until Oct 25from $45RunThrough USA Long Beach 5k,10k & Half Marathon Race
Long Beach, CAHalf Marathon10K+1Open until Oct 24from $43.40Trick or Trot 5K, 10K, and Half Marathon by Califlow Runs
Long Beach, CAHalf Marathon10K+1Open until Oct 25from $15DIA DE LOS MUERTOS HALF MARATHON & 5K RUN/WALK (BAKERSFIELD)
Bakersfield, CAHalf Marathon5K+1Open until Oct 31from $25Halloween Trick or Trot Run 5K/10K/13.1 LOS ANGELES
Los Angeles, CAHalf Marathon10K+2Open until Oct 31from $30Halloween Trick or Trot Run 5K/10K/13.1 SAN DIEGO
San Diego, CAHalf Marathon10K+2Open until Oct 31from $30The Long Beach Halloween Run 5K. 10K. Half Marathon by Califlow Runs
Long Beach, CAHalf Marathon10K+1Open until Oct 31from $18
November 2026
19 racesDía de Muertos - Viva la Vida - 5K, 10K, and Half Marathon by Califlow Runs
Long beach, CAHalf Marathon10K+2Open until Nov 1from $252026 Silver Strand Veterans Day Half Marathon, 10 Miler, 12K & 5K - San Diego
Coronado, CAHalf Marathon10 mi+2Open until Nov 9from $58Camp Turkey Terror: Night- Friday the 13th Deranged Turkey Trot: 5K. 10K. Half Marathon by Califlow Runs
Long Beach, CAHalf Marathon10K+1Open until Nov 13from $48.99The Stuffing Shuffle – 5K, 10K, Half Marathon
Fountain Valley, CAHalf Marathon10K+1Open until Nov 14from $29.50Thrive San Diego Half Marathon & 5K
San Diego, CAHalf Marathon5K$3,000 purseOpen until Nov 14from $64Veterans Day Freedom Run 5K/10K/13.1 LOS ANGELES
Los Angeles, CAHalf Marathon10K+2Open until Nov 14from $30Veterans Day Freedom Run 5K/10K/13.1 SACRAMENTO
Sacramento, CAHalf Marathon10K+2Open until Nov 14from $30Veterans Day Freedom Run 5K/10K/13.1 SAN DIEGO
San Diego, CAHalf Marathon10K+2Open until Nov 14from $30
December 2026
8 racesJanuary 2027
5 racesFebruary 2027
4 racesMarch 2027
4 racesApril 2027
3 racesMay 2027
4 racesJune 2027
1 raceJuly 2027
2 racesAugust 2027
1 raceSeptember 2027
1 raceQuick answers
What is the next half marathon in California?
Coffee Lovers Run 5K/10K/13.1 LOS ANGELES, on Saturday, October 10, 2026, in Los Angeles. Distances: Half Marathon, 10K, 5K.
How many half marathons in California have open registration?
54 of the 95 list registration as open as of October 6, 2026, including Coffee Lovers Run 5K/10K/13.1 LOS ANGELES, Coffee Lovers Run 5K/10K/13.1 SACRAMENTO and Coffee Lovers Run 5K/10K/13.1 SAN DIEGO.
Which half marathons in California offer prize money?
3 races advertise prize money: Thrive San Diego Half Marathon & 5K ($3,000), LA Turkey Trail ($1,000) and No Name Trail Races ($500).
What is the busiest month for half marathons in California?
October 2026, with 43 of the 95. November 2026 follows with 19.
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