Upcoming Half Marathon Races Near Lake Forest, CA

MISSION INN RUN

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

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

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

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

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

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

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

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

Beer City Half OC

Día de los Muertos Run - Huntington Beach 5K, 1...

Temecula Half Marathon, 10K, 5K

Viva la Vida - Día de los Muertos 5K, 10K, and ...

Catalina Island Half-Marathon & 10K

Donut Runners Rejoice – 5K, 10K, 10m, and Half ...

Honor the Brave 5k, 10k, 15k, Half Marathon

2nd Annual Huffin for the Stuffin- Turkey Trot ...

Gobble Wobble – 5K, 10K, 10 Miler, and Half Mar...

Giving Thanks 5k, 10k, 15k, Half Marathon

Turkey Trot 5k, 10k, 15k, Half Marathon

Mash + Dash – 5K, 10K, 10m, and Half Marathon

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

Winter Whirl – 5K, 10K, 10M, and Half Marathon

Season's Greetings 5k, 10k, 15k, Half Marathon

Jingle Bell Jog – 5k, 10k, 10m, Half

Winter Runderland 5K, 10K, & Half Marathon

The Kris Kringle Jingle Dash 5K, 10K and Half M...

Merry Miles 5K, 10K, and Half Marathon

Santa's Toy Trot – 5K, 10K, 10 Miler, and Half ...

Holiday Fun 5k, 10k, 15k, Half Marathon

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

Santa’s Reindeer Run - 5K, 10K, and Half Marathon

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

Runderland Express 5K, 10K, and Half Marathon

Chasing Santa – 5K, 10K, 10M, and Half Marathon

Happy Holidays 5k, 10k, 15k, Half Marathon

Jingle All the Way - Christmas Day 5K, 10K, and...

The Final Countdown 5k, 10k, 15k, Half Marathon

Run In The New Year 5k/10K/Half Marathon

Countdown to the Finish – 5K, 10K, 10 Miler, an...

Last Dash Before Midnight 5K, 10K, & Half Marathon

Happy New Year 2026 - 5K, 10K, and Half Marathon

New Year's Day Dash – 5K, 10K, 10 Miler and Hal...

Kick off the New Year 5k, 10k, 15k, Half Marathon

Run in the New Year 5k, 10k, 15k, Half Marathon

Griffith Park Resolution Run

Grievances & Gratitude Run – Let Go, Run Free, ...

Citrus Heritage Run

Polar Bear Run5K, 10K, and Half Marathon