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Half Marathons found in California in Fall

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Half Marathons in California in Fall 2025

Find A Race is the US's favourite event listings site. Check out our list of Fall 2025 Half Marathons in California below.

Race Calendar: Half Marathons found in Fall

🚀Boosted

Run Against Breast Cancer 5K/10K/13.1 LOS ANGELES

Santa Monica, California
Sat 18 Oct 25
$32.80 - $52.94
🚀Boosted

Run for Coffee Lovers 5K/10K/13.1 SACRAMENTO

Sacramento, California
Sat 29 Nov 25
$32.80 - $52.94
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Pinkathon 2025 Virtual and In-Person Challenge for Breast Cancer!

Any Place in the World!, California
Thu 01 May 25 - Fri 31 Oct 25
Free - $27.50

Great Race | Virtual edition

Los Angeles, California
Fri 10 Oct 25 - Tue 30 Jun 26
$49.00

LOOK GOOD FEEL GOOD SAN LEANDRO 5K, 10, HALF MARATHON & MARATHON

San Leandro, California
Sat 11 Oct 25
$34.00 - $133.50

Haunted Heroes 5k, 10k, 15k, Half Marathon

Los Angeles
Sat 11 Oct 25
$30.00

Bizz Johnson

Susanville, California
Sat 11 Oct 25 - Sun 12 Oct 25
$69.90 - $117.60

Fast Times at Canoga High 5K, 10K & Half

Canoga Park, California
Sat 11 Oct 25
$34.99

Night of the Living Runners – 5K, 10K, 10M, and Half Marathon

Long Beach, California
Sat 11 Oct 25
$26.97 - $41.81

Witches Wave - Halloween Run 5K, 10K, and Half Marathon

Huntington Beach, California
Sun 12 Oct 25
$16.90 - $60.35

Haunted Heroes 5k, 10k, 15k, Half Marathon

Riverside
Sun 12 Oct 25
$25.00

Champion Mine Trail Race

Nevada City, California
Sun 12 Oct 25
$48.70 - $85.80

Gobblin’ and Ghoul 5K, 10K, and Half Marathon

Long Beach, California
Sun 12 Oct 25
$35.97 - $42.33

2025 Humboldt Redwoods Marathon, Half Marathon, 5K

Weott, California
Sun 12 Oct 25
$64.85 - $154.95

International Sloth Day Run 5K/10K/13.1 SAN DIEGO

San Diego, California
Sat 18 Oct 25
$32.80 - $52.94

International Sloth Day Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
Sat 18 Oct 25
$32.80 - $52.94

Back to the Future: 88 MPH Dash 5K, 10K & Half

Canoga Park, California
Sat 18 Oct 25
$34.99

Diablo Summit Stomp 2025

Walnut Creek, California
Sat 18 Oct 25

Spooktacular 5k, 10k, 15k, Half Marathon

Long Beach, Los Angeles
Sat 18 Oct 25
$25.00

Run Against Breast Cancer 5K/10K/13.1 SAN DIEGO

San Diego, California
Sat 18 Oct 25
$32.80 - $52.94

Run Against Breast Cancer 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
Sat 18 Oct 25
$32.80 - $52.94

MISSION INN RUN

Riverside, California
Sun 19 Oct 25
$22.95 - $108.35

Fleet Feet Fall Classic - Trail October 19th, 2025

Chico, California
Sun 19 Oct 25
$96.40

The Ghostly Gallup – 5K, 10K, 10 Miler, and Half Marathon

Long Beach, California
Sun 19 Oct 25
$26.97 - $41.81

Frightful Finish Line - Halloween Run 5K, 10K, & Half Marathon

Long Beach, California
Sun 19 Oct 25
$39.15 - $48.69

Heart of Cool Trail Run

Cool, California
Sun 19 Oct 25
$43.40 - $75.20

DIA DE LOS MUERTOS HALF MARATHON & 5K RUN/WALK (BAKERSFIELD)

Bakersfield, California
Sun 19 Oct 25
$28.56 - $90.04

Malibu Moves: Half Marathon, 10K, 5K, 1-Mi & 1K

Malibu, California
Sat 25 Oct 25
Free - $228.80

Monster Dash 5k, 10k, 15k, Half Marathon

Long Beach, Los Angeles
Sat 25 Oct 25
$25.00

Halloween Havoc – 5K, 10K, and Half Marathon

Fountain Valley, California
Sun 26 Oct 25
$26.97 - $41.81

Trick or Trot 5K, 10K, and Half Marathon

Long Beach, California
Sun 26 Oct 25
$16.90 - $48.69

Monster Dash 5k, 10k, 15k, Half Marathon

Irvine, Orange
Sun 26 Oct 25
$25.00

Beer City Half™ Bishop Ranch

San Ramon, California
Sun 26 Oct 25
$27.50 - $109.65

Joshua Tree Half Marathon

Joshua Tree, California
Sat 01 Nov 25
Free - $213.00

Santa Clarita Trail Race

Santa Clarita, California
Sat 01 Nov 25
$80.50 - $175.90

Run SACRAMENTO "City of Trees" 5K/10K/13.1 FALL

West Sacramento, California
Sat 01 Nov 25
$32.80 - $52.94

Halloween Trick or Trot Run 5K/10K/13.1 SAN DIEGO

San Diego, California
Sat 01 Nov 25
$32.80 - $52.94

Halloween Trick or Trot Run 5K/10K/13.1 SACRAMENTO

West Sacramento, California
Sat 01 Nov 25
$32.80 - $52.94

Beer City Half™ OC

Santa Ana, California
Sat 01 Nov 25
$27.50 - $107.00

ZombieRunner Halloween

San Jose, California
Sat 01 Nov 25
Free - $80.50

Halloween Trick or Trot Run 5K/10K/13.1 SAN FRANCISCO

San Francisco, California
Sat 01 Nov 25
$32.80 - $52.94

Día de los Muertos Run - Huntington Beach 5K, 10K & Half Marathon

Huntington Beach, California
Sat 01 Nov 25
$46.57 - $57.17
Showing 1-40 of 89 results
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