Sat, Sep 26, 2026 · 7:30 AM · Los Angeles, CA
Oktoberfest Run 5K/10K/13.1 LOS ANGELES
1M5K10KHalf Marathon
- Price
- $32.80-$64.60
Half Marathons in California
Every upcoming Half Marathon race we know about in California. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Showing 59+ of 296 races · loading the full list…
Sat, Sep 26, 2026 · 7:30 AM · Los Angeles, CA
Run for Donuts 5K/10K/13.1 LOS ANGELES
1M5K10KHalf Marathon
- Price
- $32.80-$64.60
Sat, Sep 26, 2026 · 7:30 AM · Sacramento, CA
Oktoberfest Run 5K/10K/13.1 SACRAMENTO
1M5K10KHalf Marathon
- Price
- $32.80-$64.60
Sat, Sep 26, 2026 · 7:30 AM · Sacramento, CA
Run for Donuts 5K/10K/13.1 SACRAMENTO
1M5K10KHalf Marathon
- Price
- $32.80-$64.60
Sun, Sep 27, 2026 · 7:30 AM · Auburn, CA
Auburn Half Marathon
3.4M7.6MHalf Marathon13.6MWalker-friendly · per organizer
- Price
- Free-$105.86
Sun, Sep 27, 2026 · 7:30 AM · Long Beach, CA
The Retro Run – 5K, 10k, 10m, and Half Marathon
5K10K10MHalf Marathon
- Price
- $26.97-$41.81
Sun, Sep 27, 2026 · 8:00 AM · Long Beach, CA
Take Me to Your Pizza : Alien Dash 5K. 10K. Half Marathon Sponsored by Domino's Pizza
1M5K10KHalf Marathonflat and fastWalker-friendly · per organizer
- Price
- $22.20-$69.89
Sat, Oct 3, 2026 · 7:00 AM · Canoga Park, CA
Mean Girls 5K, 10K & Half Marathon
5K10KHalf Marathon
- Price
- $34.99
Sun, Oct 4, 2026 · 7:00 AM · Modesto, CA
Peace Officer Memorial Run
1K5KHalf Marathon
- Price
- Free-$128.20
- Field size
- 1,274 · based on the organizer's entry cap
Sun, Oct 4, 2026 · 8:30 AM · Redding, CA
Redding Breakfast Lions Turtle Bay Run 2026
10KHalf Marathon
- Price
- $27.50-$69.90
Sun, Oct 4, 2026 · 7:30 AM · San Diego, CA
Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon
5K10KHalf Marathon
- Price
- $48.70-$54
Sun, Oct 4, 2026 · 8:00 AM · Long Beach, CA
Never Say Die Run Goonies 5K. 10K. Half Marathon An 80s Adventure Movie Inspired Race
5K10KHalf Marathon
- Price
- $50.81-$67.77
Sun, Oct 4, 2026 · 7:30 AM · Napa, CA
Napa Half Marathon
6.55MHalf Marathonrolling hills
- Price
- $96.40-$117.60
Sun, Oct 4, 2026 · 7:30 AM · Bakersfield, CA
Judgment Day Half Marathon, 10K & 5K Run/Walk
5K10KHalf Marathon
- Price
- $64.60-$96.40
Sat, Oct 10, 2026 · 7:30 AM · Los Angeles, CA
Cookie Run 5K/10K/13.1 LOS ANGELES
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Oct 10, 2026 · 7:30 AM · Los Angeles, CA
Coffee Lovers Run 5K/10K/13.1 LOS ANGELES
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Oct 10, 2026 · 7:30 AM · Sacramento, CA
Cookie Run 5K/10K/13.1 SACRAMENTO
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Oct 10, 2026 · 7:30 AM · San Diego, CA
Cookie Run 5K/10K/13.1 SAN DIEGO
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Oct 10, 2026 · 7:30 AM · San Mateo, CA
Cookie Run 5K/10K/13.1 SAN FRANCISCO
1M5K10KHalf Marathon
- Price
- $32.80-$64.60
Sat, Oct 10, 2026 · 7:30 AM · Sacramento, CA
Coffee Lovers Run 5K/10K/13.1 SACRAMENTO
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Oct 10, 2026 · 7:30 AM · San Diego, CA
Coffee Lovers Run 5K/10K/13.1 SAN DIEGO
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Oct 10, 2026 · 7:30 AM · San Mateo, CA
Coffee Lovers Run 5K/10K/13.1 SAN FRANCISCO
1M5K10KHalf Marathon
- Price
- $32.80-$64.60
Large field
Sun, Oct 11, 2026 · 8:30 AM · Weott, CA
2026 Humboldt Redwoods Marathon, Half Marathon, 5K
5KHalf MarathonMarathonCertified course · per organizer
- Price
- $64.85-$154.95
- Field size
- 2,205 · based on the organizer's entry cap
Sun, Oct 11, 2026 · 8:00 AM · Susanville, CA
Bizz Johnson
10KHalf MarathonMarathonUltra
- Price
- $91.10-$128.20
- Field size
- 425 · based on the organizer's entry cap
Sun, Oct 11, 2026 · 7:30 AM · Nevada City, CA
Champion Mine Trail Race
5K10KHalf Marathon
- Price
- $43.40-$75.20
- Field size
- 260 · based on the organizer's entry cap
Sat, Oct 17, 2026 · 7:30 AM · Long Beach, CA
Night of the Living Runners – 5K, 10K, 10-Miler, Half Marathon
5K10K10MHalf Marathon
- Price
- $26.97-$41.81
Sat, Oct 17, 2026 · 7:00 AM · Canoga Park, CA
Back to the Future: 88 MPH Dash 5K, 10K & Half
5K10KHalf Marathon
- Price
- $34.99
Sun, Oct 18, 2026 · 8:10 AM · Chico, CA
Fleet Feet Fall Classic - Trail October 18th, 2026
4MHalf Marathon1,600 ft gain
- Price
- $43.40-$96.40
- Field size
- 300 · based on the organizer's entry cap
Sun, Oct 18, 2026 · 8:30 AM · Huntington Beach, CA
Witches Wave - Halloween Run 5K, 10K, and Half Marathon by Califlow Runs
5K10KHalf Marathon
- Price
- $16.90-$63.53
Large field
Sun, Oct 18, 2026 · 7:00 AM · San Luis Obispo, CA
2026 - City to the Sea Half Marathon & 5K
5KHalf Marathon
- Price
- $54-$133.50
- Field size
- 3,500 · based on the organizer's entry cap
5K10KHalf Marathon
- Price
- $28.29-$103.01
- Field size
- 7,934 · based on the organizer's entry cap
Sat, Oct 24, 2026 · 8:00 AM · Malibu, CA
Malibu Moves: Half Marathon, 10K, 5K, 1-Mi & 1K
5K5M10KHalf Marathon
- Price
- Free-$243.92
Sat, Oct 24, 2026 · 9:30 AM · Long Beach, CA
RunThrough USA Long Beach 5k,10k & Half Marathon Race
5K10KHalf Marathon
- Price
- $47-$77.75
Sun, Oct 25, 2026 · 8:00 AM · Long Beach, CA
Trick or Trot 5K, 10K, and Half Marathon by Califlow Runs
5K10KHalf MarathonCertified course · per organizer
- Price
- $16.90-$69.89
Sun, Oct 25, 2026 · 7:30 AM · Van Nuys, CA
Spooky Shuffle – 5k, 10k, Half Marathon
5K10KHalf Marathon
- Price
- $32.27-$48.70
Fri, Oct 30, 2026 · 4:00 PM · Bakersfield, CA
DIA DE LOS MUERTOS HALF MARATHON & 5K RUN/WALK (BAKERSFIELD)
2M5KHalf Marathon
- Price
- $28-$99.02
Sat, Oct 31, 2026 · 8:55 AM · San Jose, CA
ZombieRunner Halloween
0.03M2M5K10KHalf MarathonMarathonCertified course · per organizer
- Price
- Free-$85.80
Sat, Oct 31, 2026 · 7:30 AM · Los Angeles, CA
PB&J Fuel Run 5K/10K/13.1 LOS ANGELES
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Oct 31, 2026 · 8:30 AM · Long Beach, CA
The Long Beach Halloween Run 5K. 10K. Half Marathon by Califlow Runs
5K10KHalf Marathonflat and fast
- Price
- $20.08-$69.89
Sat, Oct 31, 2026 · 7:30 AM · Sacramento, CA
PB&J Fuel Run 5K/10K/13.1 SACRAMENTO
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Oct 31, 2026 · 7:30 AM · San Diego, CA
PB&J Fuel Run 5K/10K/13.1 SAN DIEGO
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Oct 31, 2026 · 7:30 AM · San Francisco, CA
PB&J Fuel Run 5K/10K/13.1 SAN FRANCISCO
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Oct 31, 2026 · 7:30 AM · Los Angeles, CA
Halloween Trick or Trot Run 5K/10K/13.1 LOS ANGELES
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Sat, Oct 31, 2026 · 7:30 AM · Sacramento, CA
Halloween Trick or Trot Run 5K/10K/13.1 SACRAMENTO
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Oct 31, 2026 · 7:30 AM · San Diego, CA
Halloween Trick or Trot Run 5K/10K/13.1 SAN DIEGO
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sat, Oct 31, 2026 · 7:30 AM · San Francisco, CA
Halloween Trick or Trot Run 5K/10K/13.1 SAN FRANCISCO
1M5K10KHalf Marathon
- Price
- $32.80-$54
Sun, Nov 1, 2026 · 8:00 AM · Long beach, CA
Día de Muertos - Viva la Vida - 5K, 10K, and Half Marathon by Califlow Runs
1M5K10KHalf Marathon
- Price
- $27.50-$67.77
Sun, Nov 1, 2026 · 7:30 AM · Long Beach, CA
Halloween Leftovers – 5K, 10K, 10-Miler, Half Marathon
5K10K10MHalf Marathon
- Price
- $26.97-$41.81
Sun, Nov 1, 2026 · 6:30 AM · Fresno, CA
Two Cities Marathon
5K10KHalf MarathonMarathon
- Price
- $69.15-$163.75
Sun, Nov 1, 2026 · 8:00 AM · Clarksburg, CA
Clarksburg Country Run
0.5M1M5K10KHalf Marathon18.6M
- Price
- $19.02-$83.68
Sat, Nov 7, 2026 · 8:45 AM · Castro Valley, CA
Lake Chabot Trail Run
0.03M2M5K4.8MHalf Marathon30KMarathonUltra
- Price
- Free-$96.40
- Field size
- 591 · basis unavailable
Sat, Nov 7, 2026 · 8:45 AM · San Francisco, CA
RunThrough San Francisco at Crissy Field 5k, 100k & Half Marathon
5K10KHalf Marathonflat and fast
- Price
- $47.25-$78.75
Sun, Nov 8, 2026 · 7:30 AM · Long Beach, CA
Donut Runners Rejoice – 5K, 10K, 10-Miler, Half Marathon
5K10K10MHalf Marathon
- Price
- $26.97-$41.81
Sun, Nov 8, 2026 · 7:00 AM · Temecula, CA
Temecula Half Marathon, 10K, 5K
5K10KHalf Marathon
- Price
- $34.40-$153.20
Massive field
Sun, Nov 8, 2026 · 7:00 AM · Coronado, CA
Silver Strand Veterans Day Half Marathon, 10 Miler, 12K & 5K - San Diego
5K12K10MHalf Marathonflat and fast
- Price
- $59.17-$143.89
- Field size
- 15,800 · based on the organizer's entry cap
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