Upcoming Half Marathon Races Near Bryn Mawr, CA

Name: Green Valley Lake 5k/10k/& Half Marathon
Start: 2026-08-01
End: 2026-08-01
Location: Green Valley Lake

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

Riverside, CA

Sunday, October 12th, 2025

Featured

10K

Half

15K

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

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MISSION INN RUN

Riverside, CA

Sunday, October 19th, 2025

View details for race MISSION INN RUN

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

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

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

Irvine, CA

Sunday, October 26th, 2025

10K

Half

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

Beer City Half OC

Santa Ana, CA

Saturday, November 1st, 2025

Half

10K

Trail

View details for race Beer City Half OC

Temecula Half Marathon, 10K, 5K

Temecula, CA

Sunday, November 2nd, 2025

Half

10K

View details for race Temecula Half Marathon, 10K, 5K

Turkey Trot (Sunday) 5k, 10k, 15k, Half Marathon

Irvine, CA

Sunday, November 30th, 2025

10K

15K

View details for race Turkey Trot (Sunday) 5k, 10k, 15k, Half Marathon

Reindeer Run 5k, 10k, 15k, Half Marathon

Riverside, CA

Sunday, December 21st, 2025

10K

15K

View details for race Reindeer Run 5k, 10k, 15k, Half Marathon

Citrus Heritage Run

Riverside, CA

Saturday, January 10th, 2026

Half

10K

View details for race Citrus Heritage Run

Teaching & Learning Collaborative Charity Group...

Anaheim, CA

Friday, January 30th, 2026

10K

Half

View details for race Teaching & Learning Collaborative Charity Group Registration (2026 Disneyland® Half Marathon Weekend)

2026 Disneyland® Half Marathon Weekend presente...

Anaheim, CA

Friday, January 30th, 2026

10K

Half

View details for race 2026 Disneyland® Half Marathon Weekend presented by HONDA

Bedrock Valley Trail Runs

Hemet, CA

Saturday, April 11th, 2026

Marathon

Half

15K

Trail

Fast

View details for race Bedrock Valley Trail Runs

The Hoag OC Marathon Running Festival

Costa Mesa, CA

Saturday, May 2nd, 2026

Half

Marathon

View details for race The Hoag OC Marathon Running Festival

The 2026 Hoag OC Marathon Running Festival (Exp...

Costa Mesa, CA

Saturday, May 2nd, 2026

Half

Marathon

View details for race The 2026 Hoag OC Marathon Running Festival (Expo Registration)

71st Annual Fontana Days Run

Fontana, CA

Saturday, June 6th, 2026

Half

View details for race 71st Annual Fontana Days Run

Green Valley Lake 5k/10k/& Half Marathon

Green Valley Lake, CA

Saturday, August 1st, 2026

10K

Half

Trail

View details for race Green Valley Lake 5k/10k/& Half Marathon

Explore more in Bryn Mawr, CA

Distances:

5K 10K Half Marathon Marathon

Months:

October November December

Tags:

Trail Boston Qualifiers Fast Courses

State:

All California races

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