Upcoming 5K Races In California, US in October, 2025

Name: Half Moon Bay Pumpkin Run
Start: 2025-10-19
End: 2025-10-19
Location: Half Moon Bay

Palo Alto Weekly Moonlight Run & Walk

Palo Alto, CA

Friday, October 3rd, 2025

10K

View details for race Palo Alto Weekly Moonlight Run & Walk

Monster Mash Dash 5K, 10K,

Santa Monica, CA

Saturday, October 4th, 2025

10K

View details for race Monster Mash Dash 5K, 10K,

2025 Long Beach Marathon & Half Marathon

Long Beach, CA

Saturday, October 4th, 2025

Half

Marathon

View details for race 2025 Long Beach Marathon & Half Marathon

Cypress Run

Cypress, CA

Saturday, October 4th, 2025

View details for race Cypress Run

2025 Lace'n It Up 5k Fun Run and Celebration Walk

Bakersfield, CA

Saturday, October 4th, 2025

View details for race 2025 Lace'n It Up 5k Fun Run and Celebration Walk

Cabrillo Beach 5K/10K

San Pedro, CA

Saturday, October 4th, 2025

10K

View details for race Cabrillo Beach 5K/10K

Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon

San Diego, CA

Saturday, October 4th, 2025

10K

Half

View details for race Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon

Frida Fun Run

Fresno, CA

Saturday, October 4th, 2025

View details for race Frida Fun Run

Scarecrow 2.0 ...

Exeter, CA

Saturday, October 4th, 2025

10K

View details for race Scarecrow 2.0 2 Mile and 10k Race

Peace Officer Memorial Run

Modesto, CA

Sunday, October 5th, 2025

Half

View details for race Peace Officer Memorial Run

12th Annual Moorpark Mammoth Run

Moorpark, CA

Sunday, October 5th, 2025

10K

Fast

View details for race 12th Annual Moorpark Mammoth Run

Reyes Adobe Days "RAD" 5K

Agoura Hills, CA

Sunday, October 5th, 2025

1 Mile

Fast

View details for race Reyes Adobe Days "RAD" 5K

Pumpkin Run

Clovis, CA

Sunday, October 5th, 2025

View details for race Pumpkin Run

Judgment Day Half Marathon & 5K Run/Walk

Bakersfield, CA

Sunday, October 5th, 2025

Half

Trail

View details for race Judgment Day Half Marathon & 5K Run/Walk

Dig Deep Dash 5K Run/Walk

Valencia, CA

Sunday, October 5th, 2025

View details for race Dig Deep Dash 5K Run/Walk

LOOK GOOD FEEL GOOD SAN LEANDRO 5K, 10, HALF MA...

San Leandro, CA

Saturday, October 11th, 2025

Trail

View details for race LOOK GOOD FEEL GOOD SAN LEANDRO 5K, 10, HALF MARATHON & MARATHON

Riverbank Run for the Cheese

Riverbank, CA

Saturday, October 11th, 2025

10K

1 Mile

View details for race Riverbank Run for the Cheese

POMONA 5K & 10K

Pomona, CA

Saturday, October 11th, 2025

View details for race POMONA 5K & 10K

CASA of Tulare County Superhero 5K

Tulare, CA

Saturday, October 11th, 2025

View details for race CASA of Tulare County Superhero 5K

East Bay Front Runners Pride Run and Walk

Oakland, CA

Saturday, October 11th, 2025

10K

View details for race East Bay Front Runners Pride Run and Walk

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

Los Angeles, CA

Saturday, October 11th, 2025

10K

15K

Half

View details for race Haunted Heroes 5k, 10k, 15k, Half Marathon

Tahoe Forest Health System Fall Fun Run

Truckee, CA

Saturday, October 11th, 2025

10K

1 Mile

Trail

View details for race Tahoe Forest Health System Fall Fun Run

Gobble Ghoul and Holly Run 5K, 10K, and Half Ma...

Santa Monica, CA

Saturday, October 11th, 2025

10K

Half

View details for race Gobble Ghoul and Holly Run 5K, 10K, and Half Marathon

Rock It in Chino Hills 5K & 10K

Brea, CA

Saturday, October 11th, 2025

10K

Trail

View details for race Rock It in Chino Hills 5K & 10K

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

Canoga Park, CA

Saturday, October 11th, 2025

10K

Half

Fast

View details for race Fast Times at Canoga High 5K, 10K & Half

Just a Dash of Hocus Pocus 5K, 10K

Santa Monica, CA

Saturday, October 11th, 2025

10K

View details for race Just a Dash of Hocus Pocus 5K, 10K

Red Wave 5k

Fresno, CA

Saturday, October 11th, 2025

View details for race Red Wave 5k

Lafayette Res Run for Education

Lafayette, CA

Saturday, October 11th, 2025

10K

Trail

View details for race Lafayette Res Run for Education

Night of the Living Runners – 5K, 10K, 10 Mile...

Long Beach, CA

Saturday, October 11th, 2025

10K

10 Miles

View details for race Night of the Living Runners – 5K, 10K, 10 Miler, and Half Marathon

2025 Humboldt Redwoods Marathon, Half Marathon, 5K

Weott, CA

Sunday, October 12th, 2025

Half

Marathon

View details for race 2025 Humboldt Redwoods Marathon, Half Marathon, 5K

Vampire Run - Unite for Bleeding Disorders

Roseville, CA

Sunday, October 12th, 2025

1 Mile

View details for race Vampire Run - Unite for Bleeding Disorders

Diwali Fun Run + Festival

Fremont, CA

Sunday, October 12th, 2025

10K

View details for race Diwali Fun Run + Festival

Montebello Heritage 5K/10K

Montebello, CA

Sunday, October 12th, 2025

10K

View details for race Montebello Heritage 5K/10K

2025 XTERRA WETSUITS Mission Bay Triathlon & Sa...

San Diego, CA

Sunday, October 12th, 2025

View details for race 2025 XTERRA WETSUITS Mission Bay Triathlon & San Diego 5K

Gobble Ghoul and Holly Run 5K, 10K, and Half Ma...

Long Beach, CA

Sunday, October 12th, 2025

10K

Half

View details for race Gobble Ghoul and Holly Run 5K, 10K, and Half Marathon

Lake Evans Triathlon, 5k & 10k

Bakersfield, CA

Sunday, October 12th, 2025

10K

1 Mile

Fast

View details for race Lake Evans Triathlon, 5k & 10k

The Race for a Healthier World 5K

Anaheim, CA

Friday, October 17th, 2025

Trail

View details for race The Race for a Healthier World 5K

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

Long beach, CA

Saturday, October 18th, 2025

15K

10K

View details for race Spooktacular 5k, 10k, 15k, Half Marathon

The Donut Fun Run 2025!

Alameda, CA

Saturday, October 18th, 2025

View details for race The Donut Fun Run 2025!

Reentry Resource Center’s Rise Up and Run 5K

San Jose, CA

Saturday, October 18th, 2025

View details for race Reentry Resource Center’s Rise Up and Run 5K

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

Canoga Park, CA

Saturday, October 18th, 2025

10K

Half

Fast

View details for race Back to the Future: 88 MPH Dash 5K, 10K & Half

2025 Boyle Heights 5K Run

Los Angeles, CA

Saturday, October 18th, 2025

View details for race 2025 Boyle Heights 5K Run

2025 SPACEROCK Trail Race

Agua Dulce, CA

Saturday, October 18th, 2025

10K

15K

Trail

View details for race 2025 SPACEROCK Trail Race

10th Annual Combat Cancer Walk

Corona, CA

Saturday, October 18th, 2025

View details for race 10th Annual Combat Cancer Walk

USACE SPL 5K

Corona, CA

Saturday, October 18th, 2025

View details for race USACE SPL 5K

Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon

Santa Monica, CA

Saturday, October 18th, 2025

10K

Half

View details for race Hallo-Thanks-Mas Dash – 5K, 10K, and Half Marathon

SPACEROCK Trail Race

Aqua Dulce, CA

Saturday, October 18th, 2025

10K

Trail

View details for race SPACEROCK Trail Race

Lake Hodges Trail Festival

San Diego, CA

Saturday, October 18th, 2025

15K

1 Mile

Trail

View details for race Lake Hodges Trail Festival

Break Free Run

Folsom, CA

Saturday, October 18th, 2025

10K

View details for race Break Free Run

Half Moon Bay Pumpkin Run

Half Moon Bay, CA

Sunday, October 19th, 2025

Half

10K

Trail

View details for race Half Moon Bay Pumpkin Run

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