Upcoming 5K Races Near Diamond Bar, CA in October, 2025

Name: 2025 Crown Point Marathon/Half-Marathon, Team Relays, 8K & 5K Runs
Start: 2025-10-26
End: 2025-10-26
Location: San Diego

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

Monster Mash Dash 5K, 10K,

Santa Monica, CA

Saturday, October 4th, 2025

10K

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

Cabrillo Beach 5K/10K

San Pedro, CA

Saturday, October 4th, 2025

10K

View details for race Cabrillo Beach 5K/10K

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

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

Rock It in Chino Hills

Brea, CA

Saturday, October 11th, 2025

10K

Ultra

Trail

View details for race Rock It in Chino Hills

POMONA 5K & 10K

Pomona, CA

Saturday, October 11th, 2025

View details for race POMONA 5K & 10K

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

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

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

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

2025 Boyle Heights 5K Run

Los Angeles, CA

Saturday, October 18th, 2025

View details for race 2025 Boyle Heights 5K Run

SPACEROCK Trail Race

Aqua Dulce, CA

Saturday, October 18th, 2025

10K

Trail

View details for race SPACEROCK Trail Race

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

2025 SPACEROCK Trail Race

Agua Dulce, CA

Saturday, October 18th, 2025

10K

15K

Trail

View details for race 2025 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

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

MISSION INN RUN

Riverside, CA

Sunday, October 19th, 2025

View details for race MISSION INN RUN

Beverly Hills Run of the Stars: 2025

Beverly Hills, CA

Sunday, October 19th, 2025

View details for race Beverly Hills Run of the Stars: 2025

The Ghostly Gallup – 5K, 10K, 10 Miler, and Hal...

Long Beach, CA

Sunday, October 19th, 2025

10K

15K

View details for race The Ghostly Gallup – 5K, 10K, 10 Miler, and Half Marathon

SeaWorld Howl-O-Sprint 5K

San Diego, CA

Sunday, October 19th, 2025

1 Mile

View details for race SeaWorld Howl-O-Sprint 5K

2025 Cal Tri LA - 10.19.25

Playa Del Rey, CA

Sunday, October 19th, 2025

10K

View details for race 2025 Cal Tri LA - 10.19.25

Frightful Finish Line - Halloween Run 5K, 10K, ...

Long Beach, CA

Sunday, October 19th, 2025

10K

Half

View details for race Frightful Finish Line - Halloween Run 5K, 10K, & Half Marathon

SoCal's Sunset Trick or Trot 5k/10K

Huntington Beach, CA

Saturday, October 25th, 2025

10K

Fast

View details for race SoCal's Sunset Trick or Trot 5k/10K

Malibu Moves: 5K, 10K, Half Marathon & Kids Run

Malibu, CA

Saturday, October 25th, 2025

Half

Fast

View details for race Malibu Moves: 5K, 10K, Half Marathon & Kids Run

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

Long beach, CA

Saturday, October 25th, 2025

10K

Half

View details for race Monster Dash 5k, 10k, 15k, Half Marathon

San Diego - HFTC 5k

San Diego, CA

Saturday, October 25th, 2025

View details for race San Diego - HFTC 5k

RUN FOR FREEDOM

San Dimas, CA

Saturday, October 25th, 2025

View details for race RUN FOR FREEDOM

The Witches’ Brew Run 5K, 10K

Santa Monica, CA

Saturday, October 25th, 2025

10K

Fast

View details for race The Witches’ Brew Run 5K, 10K

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

Fountain Valley, CA

Sunday, October 26th, 2025

10K

Half

View details for race Halloween Havoc – 5K, 10K, and Half Marathon

Finish The Ride and Finish The Run Santa Clarita

Valencia, CA

Sunday, October 26th, 2025

10K

Ultra

View details for race Finish The Ride and Finish The Run Santa Clarita

Halloween Hustle 5k, 10k, 15k, Half Marathon

Anaheim, CA

Sunday, October 26th, 2025

15K

Half

View details for race Halloween Hustle 5k, 10k, 15k, Half Marathon

Howl-o-ween Doggie Dash 5K

Los Angeles, CA

Sunday, October 26th, 2025

Trail

Fast

View details for race Howl-o-ween Doggie Dash 5K

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

Long Beach, CA

Sunday, October 26th, 2025

10K

Half

View details for race Trick or Trot 5K, 10K, and Half Marathon

2025 Crown Point Marathon/Half-Marathon, Team R...

San Diego, CA

Sunday, October 26th, 2025

Half

Marathon

View details for race 2025 Crown Point Marathon/Half-Marathon, Team Relays, 8K & 5K Runs

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