Half Marathon

Wicked Wave Halloween Run 5K, 10K, and Half Marathon

Huntington Beach, CA

Sun - Oct 12, 2025

Champion Mine Trail Race

Nevada City, CA

Sun - Oct 12, 2025

Runacopia 5k, 10k, 15k, Half Marathon

Riverside, CA

Oct 12, 2025 - Oct 13, 2025

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

San Francisco, CA

Sat - Oct 18, 2025

Running > 1 mile, 10k, 5k, Half Marathon

International Sloth Day Run 5K/10K/13.1 LOS ANGELES

Santa Monica, CA

Sat - Oct 18, 2025

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

San Diego, CA

Sat - Oct 18, 2025

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

San Francisco, CA

Sat - Oct 18, 2025

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

Long Beach, CA

Oct 18, 2025 - Oct 19, 2025

2025 SPACEROCK Trail Race

Agua Dulce, CA

Oct 18, 2025 - Oct 19, 2025

Running > 5k, Half Marathon, 10k

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

Canoga Park, CA

Sat - Oct 18, 2025

Running > 5k, 10k, Half Marathon

Run Against Breast Cancer 5K/10K/13.1 SACRAMENTO

Sacramento, CA

Sat - Oct 18, 2025

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

Long Beach, CA

Sun - Oct 19, 2025

Running > 5k

Jeepers Creepers Half Marathon 5k 10k

Valencia, CA

Sun - Oct 19, 2025 @ 8:00 AM

Featured

VIEW DISCOUNT

Santa Cruz Island Eco Extreme Half Marathon 2025

Ventura, CA

Sat - Oct 25, 2025

Bikes & Beers Oceanside

Oceanside, CA

Sat - Oct 25, 2025

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

Long Beach, CA

Oct 25, 2025 - Oct 26, 2025

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

Irvine, CA

Sun - Oct 26, 2025

2025 Crown Point Marathon/Half-Marathon, Team Relays, 8K & 5K Runs

San Diego, CA

Oct 26, 2025 - Oct 27, 2025

Running > Marathon, 8k, Half Marathon, 5k

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

Anaheim, CA

Oct 26, 2025 - Oct 27, 2025

Beer City Half™ Bishop Ranch

San Ramon, CA

Sun - Oct 26, 2025

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

San Francisco, CA

Sat - Nov 01, 2025

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

San Diego, CA

Sat - Nov 01, 2025

Runacopia 5k, 10k, 15k, Half Marathon

Long Beach, CA

Nov 1, 2025 - Nov 2, 2025

Running > 5k

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

West Sacramento, CA

Sat - Nov 01, 2025

Halloween Trick or Trot Run 5K/10K/13.1 LOS ANGELES

Los Angeles, CA

Sat - Nov 01, 2025

Santa Clarita Trail Race

Santa Clarita, CA

Sat - Nov 01, 2025

Running > Obstacle Race, 5k, 10k, Half Marathon

Kaiser Permanente Thrive Half Marathon, 5K & Relay

San Diego, CA

Sat - Nov 01, 2025 @ 7:00 AM