Upcoming Half Marathon Races Near Ontario, CA

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

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

Countdown to the Finish – 5K, 10K, 10-Miler, Ha...

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

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...

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

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

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

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

Griffith Park Resolution Run

The Coffee Cruise – 5K, 10K, 10-Miler, Half Ma...

Winter Wonder Run 5K.10K.Half Marathon

Citrus Heritage Run

Holiday Hangover 5K, 10K, Half Marathon

The Cookie Classic - 5K, 10K, 10-Miler, Half Ma...

Polar Bear Run5K, 10K, and Half Marathon

The Marshmallow Dash – 5K, 10K, 10-Miler, Half ...

Fresh Wave 5k, 10k, 15k, Half Marathon

Winter Wonderland 5k, 10k, 15k, Half Marathon

2026 Disneyland® Half Marathon Weekend

Teaching & Learning Collaborative Charity Group...

2026 Surf City Marathon & Half Marathon

Winter Blast 5k, 10k, 15k, Half Marathon

Griffith Park Run

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

The HEART RUN Half Marathon & 5K /The SUPER BOW...

Besties Run 5K. 10K. Half Marathon

Heart and Sole Valentine's Run 5K, 10K, and Hal...

Run Your Heart Out – 5K, 10K, 10-Miler, Half Ma...

Camp Heartbreak – Friday the 13th of February -...

RunThrough USA Long Beach 5k,10k & Half Maratho...

Happy Valentine's Day 5k, 10k, 15k, Half Marathon

Cupids Flight - Love on the Run - Valentine's 5...

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

Run for the Beads - Mardi Gras Run 5K, 10K, & H...

Love Yourself Run – 5K, 10K, 10-Miler, Half Mar...

Cupid Chase 5k, 10k, 15k, Half Marathon

Crescent Moon Chase – 5K, 10K, 10-Miler, Half M...

SOCAL River Marathon - 26.2 - 13.1 - 10K - 5K

Ocean Breeze 5k, 10k, 15k, Half Marathon

Camp Shamrocked: The Friday the 13th Unlucky R...

Leprechaun Chase – 5K, 10K, 10-Miler, Half Mara...

Rockin' Shamrock 5k, 10k, 15k, Half Marathon

Apple Valley's Desert Rock and Road Half Marath...

The Long Beach Leprechaun Run - Kids Dash, 1 Mi...

Spring Equinox 5k, 10k, 15k, Half Marathon

Beer City Half™ Long Beach