Upcoming Half Marathon Races Near Ontario, CA

Name: Wrigley River Run & Tadpole Trot
Start: 2026-06-06
End: 2026-06-06
Location: Long Beach

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

Long Beach, CA

Sunday, February 22nd, 2026

Featured

10K

Half

View details for race Mardi Gras Run - Run for the Beads - 5K, 10K, & Half Marathon by Califlow Runs

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

Long Beach, CA

Sunday, February 22nd, 2026

10K

10 Miles

View details for race Crescent Moon Chase – 5K, 10K, 10-Miler, Half Marathon

Great Race | Virtual Edition

Los Angeles, CA

Saturday, February 28th, 2026

10K

15K

View details for race Great Race | Virtual Edition

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

Long beach, CA

Saturday, February 28th, 2026

Half

10K

View details for race Ocean Breeze 5k, 10k, 15k, Half Marathon

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

Huntington Beach, CA

Saturday, February 28th, 2026

10K

Half

Trail

View details for race SOCAL River Marathon - 26.2 - 13.1 - 10K - 5K

March Magic 5k, 10k, 15k, Half Marathon

Riverside, CA

Sunday, March 1st, 2026

15K

10K

View details for race March Magic 5k, 10k, 15k, Half Marathon

Camp Shamrocked: The Friday the 13th After Da...

Long Beach, CA

Friday, March 13th, 2026

10K

Half

View details for race Camp Shamrocked: The Friday the 13th After Dark - 5K. 10K. Half Marathon

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

Apple Valley, CA

Saturday, March 14th, 2026

Half

10K

View details for race Apple Valley's Desert Rock and Road Half Marathon 2026

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

Long Beach, CA

Saturday, March 14th, 2026

10K

15K

View details for race Leprechaun Chase – 5K, 10K, 10-Miler, Half Marathon

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

Long beach, CA

Saturday, March 14th, 2026

10K

Half

View details for race Rockin' Shamrock 5k, 10k, 15k, Half Marathon

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

Long Beach, CA

Sunday, March 15th, 2026

1 Mile

10K

View details for race The Long Beach Leprechaun Run - Kids Dash, 1 Miler, 5k, 10K, & Half Marathon by Califlow Runs

Beer City Half™ Long Beach

Long Beach, CA

Saturday, March 21st, 2026

Half

10K

View details for race Beer City Half™ Long Beach

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

Long beach, CA

Saturday, March 21st, 2026

15K

Half

View details for race Spring Equinox 5k, 10k, 15k, Half Marathon

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

Anaheim, CA

Sunday, March 22nd, 2026

15K

Half

10K

View details for race Spring Equinox 5k, 10k, 15k, Half Marathon

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

Long Beach, CA

Saturday, March 28th, 2026

10K

Half

View details for race Disco Miles: Beachfront Boogie 5K, 10K, Half Marathon by Califlow Runs

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

Long Beach, CA

Saturday, March 28th, 2026

10K

Half

View details for race RunThrough USA Long Beach 5k,10k & Half Marathon Race

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

Long Beach, CA

Sunday, March 29th, 2026

10K

Half

View details for race No FOOLIN' - 5K, 10K, & Half Marathon

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

Long Beach, CA

Sunday, March 29th, 2026

10K

10 Miles

View details for race Running for the Rescues – 5K, 10K, 10-Miler, Half Marathon

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

Los Angeles, CA

Saturday, April 4th, 2026

10K

15K

View details for race Hoppy Easter 5k, 10k, 15k, Half Marathon

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

Long Beach, CA

Saturday, April 4th, 2026

10K

10 Miles

View details for race The Great Bunny Hop – 5K, 10K, 10-Miler, Half Marathon

Bedrock Valley Trail Runs

Hemet, CA

Saturday, April 11th, 2026

Marathon

Half

15K

Trail

Fast

View details for race Bedrock Valley Trail Runs

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

Lake View Terrace, CA

Saturday, April 11th, 2026

10K

Half

View details for race Spring Fling Run – 5K, 10K, Half Marathon

Totally 80's Fast Times in Huntington Beach 5K,...

Huntington Beach, CA

Sunday, April 12th, 2026

10K

Half

Fast

View details for race Totally 80's Fast Times in Huntington Beach 5K, 10K, & Half Marathon

Earth Day - Run for the Planet - 5K, 10K, and ...

Long beach, CA

Saturday, April 18th, 2026

10K

Half

View details for race Earth Day - Run for the Planet - 5K, 10K, and Half Marathon - Califlow Runs

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

Lake View Terrace, CA

Saturday, April 18th, 2026

10K

Half

View details for race Dam Good 5k, 10k, 15k, Half Marathon

Run for the Planet - Earth Day Celebration 5K, ...

Huntington Beach, CA

Saturday, April 18th, 2026

10K

Half

View details for race Run for the Planet - Earth Day Celebration 5K, 10K, and Half Marathon

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

Long Beach, CA

Sunday, April 19th, 2026

10K

Half

View details for race Run for the Planet – 5K, 10K, 10M, and Half Marathon

Coffee Lovers Run LOS ANGELES

Los Angeles, CA

Saturday, April 25th, 2026

10K

Half

View details for race Coffee Lovers Run LOS ANGELES

Wildflower 5k, 10k, 15k, Half Marathon

Riverside, CA

Sunday, April 26th, 2026

Half

10K

View details for race Wildflower 5k, 10k, 15k, Half Marathon

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

Long Beach, CA

Sunday, April 26th, 2026

10K

15K

View details for race Super Hero Dash – 5K, 10K, 10M, and Half Marathon

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)

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

Long Beach, CA

Saturday, May 2nd, 2026

10K

Half

View details for race The Rebel Run – 5K, 10K, 10M, and Half Marathon

Finish The Ride and Finish The Run Griffith Park

Los Angeles, CA

Saturday, May 2nd, 2026

10K

15K

View details for race Finish The Ride and Finish The Run Griffith Park

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

Long Beach, CA

Sunday, May 3rd, 2026

10K

Half

View details for race May the 4th be with You- The Empire Strides Back 5K, 10K, & Half Marathon by Califlow Runs

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

Long beach, CA

Saturday, May 9th, 2026

10K

Half

15K

View details for race Happy Mothers Day 5k, 10k, 15k, Half Marathon

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

Long Beach, CA

Sunday, May 10th, 2026

10K

Half

View details for race Long Beach Mother's Day Bloom & Zoom 5K, 10K, Half Marathon by Califlow Runs

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

Long Beach, CA

Sunday, May 10th, 2026

10K

15K

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

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

Long Beach, CA

Saturday, May 16th, 2026

10K

Half

View details for race Sweet Life Run 5K. 10K. Half Marathon by Califlow Runs

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

Long beach, CA

Sunday, May 17th, 2026

Half

15K

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

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

Long beach, CA

Saturday, May 23rd, 2026

15K

Half

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

Laguna Hills Memorial Day Half Marathon, 5K & 10K

Laguna Hills, CA

Monday, May 25th, 2026

Half

10K

View details for race Laguna Hills Memorial Day Half Marathon, 5K & 10K

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

Long beach, CA

Monday, May 25th, 2026

15K

Half

View details for race Memorial Day 5k, 10k, 15k, Half Marathon

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

Long Beach, CA

Sunday, May 31st, 2026

10K

Half

View details for race Blue Moon 5K. 10K. Half Marathon by Califlow Runs

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

Long Beach, CA

Sunday, May 31st, 2026

10K

15K

View details for race The Great White Chase – 5K, 10K, 10M, and Half Marathon

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

Long beach, CA

Saturday, June 6th, 2026

15K

10K

View details for race Fun in the Sun 5k, 10k, 15k, Half Marathon

71st Annual Fontana Days Run

Fontana, CA

Saturday, June 6th, 2026

Half

View details for race 71st Annual Fontana Days Run

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

Long Beach, CA

Saturday, June 6th, 2026

10K

Half

View details for race Runbelievable -Super Hero Run 5K. 10K. Half Marathon by Califlow Runs

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

Long Beach, CA

Saturday, June 6th, 2026

10 Miles

Half

10K

View details for race Pre Reg 2026 Wrigley River Run & Tadpole Trot Presented by Long Beach Clinical Trials

Wrigley River Run & Tadpole Trot

Long Beach, CA

Saturday, June 6th, 2026

10 Miles

Half

10K

View details for race Wrigley River Run & Tadpole Trot

Explore more in Ontario, CA

Distances:

5K 10K Half Marathon Marathon

Months:

February March April

Tags:

Trail Boston Qualifiers Fast Courses

State:

All California races

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