Upcoming Half Marathon Races Near Simi Valley, CA

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

Ventura Marathon

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

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

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

The Terminator 2 Trot: 5K, 10K & Half Marathon

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

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

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

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

Beer City Long Beach

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

Disco Miles: Beachfront Boogie 5K, 10K, Half Ma...

No FOOLIN' - 5K, 10K, & Half Marathon

Running for the Rescues – 5K, 10K, 10-Miler, Ha...

The Great Bunny Hop – 5K, 10K, 10-Miler, Half M...

Hoppy Easter 5k, 10k, 15k, Half Marathon

41st Nature Made Great Race: Half Marathon, 5K,...

Spring Fling Run – 5K, 10K, Half Marathon

Mountains 2 Beach Marathon and Half

Run for the Planet -An Earth Day Run by CaliFlo...

Dam Good 5k, 10k, 15k, Half Marathon

Run for the Planet – 5K, 10K, 10M, and Half Mar...

Coffee Lovers Run LOS ANGELES

Super Hero Dash – 5K, 10K, 10M, and Half Marathon

Finish The Ride and Finish The Run Griffith Park

The Rebel Run – 5K, 10K, 10M, and Half Marathon

May the 4th be with You- The Empire Strides Bac...

Happy Mothers Day 5k, 10k, 15k, Half Marathon

Long Beach Mother's Day Bloom & Zoom 5K, 10K, H...

Run for the Rose – 5K, 10K, 10M, and Half Marathon

Sweet Life Run 5K. 10K. Half Marathon by Califl...

The Cobra 5Kai, 10Kai & Half Miyagithon

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

Run to Remember 5k, 10k, 15k, Half Marathon

The Valley Race – 5k, 10k, and Half Marathon

Forever Brave 5k, 10k, 15k, Half Marathon

Memorial Day 5k, 10k, 15k, Half Marathon

16th Annual BEACHFRONT RUN

The Great White Chase – 5K, 10K, 10M, and Half ...

Blue Moon 5K. 10K. Half Marathon by Califlow Runs

Seadon Annual Half Marathon

Fun in the Sun 5k, 10k, 15k, Half Marathon

Pre Reg 2026 Wrigley River Run & Tadpole Trot P...

Runbelievable -Super Hero Run 5K. 10K. Half Mar...

Wrigley River Run & Tadpole Trot

Phoenix Rising 5k, 10k, 15k, Half Marathon

Good Vibes Run – 5K, 10K, 10M, and Half Marathon

Rare Strides 5k, 10k, 15k, Half Marathon