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Upcoming Half Marathon Races Near Costa Mesa, CA

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Run Tiburon UCSF Courage Over Cancer 10K & 5K logo

Run Tiburon UCSF Courage Over Cancer 10K & 5K

Belvedere Tiburon, CA

Sunday, September 7th, 2025

Featured
10K
5K
View details for race Run Tiburon UCSF Courage Over Cancer 10K & 5K
Close Encounters of the Finish Line - Alien 5K, 10K, & Half Marathon logo

Close Encounters of the Finish Line - Alien 5K,...

Venice Beach, CA

Sunday, April 27th, 2025

5K
10K
Half
View details for race Close Encounters of the Finish Line - Alien 5K, 10K, & Half Marathon
Super Hero Dash - 5K, 10K, 10 Miler and Half Marathon logo

Super Hero Dash - 5K, 10K, 10 Miler and Half Ma...

Long Beach, CA

Sunday, April 27th, 2025

10K
15K
5K
View details for race Super Hero Dash - 5K, 10K, 10 Miler and Half Marathon
Close Encounters of the Finish Line - Alien 5K, 10K, & Half Marathon logo

Close Encounters of the Finish Line - Alien 5K,...

Santa Monica, CA

Sunday, April 27th, 2025

10K
5K
Half
View details for race Close Encounters of the Finish Line - Alien 5K, 10K, & Half Marathon
Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & Half Marathon logo

Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & ...

Santa Monica, CA

Saturday, May 3rd, 2025

10K
5K
Half
View details for race Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & Half Marathon
Cinco de Mayo 5k, 10k, 15k, Half Marathon logo

Cinco de Mayo 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, May 3rd, 2025

10K
5K
15K
View details for race Cinco de Mayo 5k, 10k, 15k, Half Marathon
The OC Marathon Running Festival logo

The OC Marathon Running Festival

Costa Mesa, CA

Saturday, May 3rd, 2025

5K
Half
Marathon
View details for race The OC Marathon Running Festival
Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & Half Marathon logo

Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & ...

Venice Beach, CA

Saturday, May 3rd, 2025

5K
10K
Half
View details for race Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & Half Marathon
Cinco De Mayo Run: Against All Odds LOS ANGELES logo

Cinco De Mayo Run: Against All Odds LOS ANGELES

Los Angeles, CA

Saturday, May 3rd, 2025

5K
10K
Half
View details for race Cinco De Mayo Run: Against All Odds LOS ANGELES
May the Fourth Be with You 5K, 10K and Half Marathon logo

May the Fourth Be with You 5K, 10K and Half Mar...

Santa Monica, CA

Sunday, May 4th, 2025

10K
5K
Half
View details for race May the Fourth Be with You 5K, 10K and Half Marathon
The Empire Strides Back - May the 4th be with You 5K, 10K, & Half Marathon logo

The Empire Strides Back - May the 4th be with Y...

Long Beach, CA

Sunday, May 4th, 2025

5K
10K
Half
View details for race The Empire Strides Back - May the 4th be with You 5K, 10K, & Half Marathon
May the 4th Run – 5K, 10K, 10M, and Half Marathon logo

May the 4th Run – 5K, 10K, 10M, and Half Marathon

Long Beach, CA

Sunday, May 4th, 2025

5K
10K
Half
View details for race May the 4th Run – 5K, 10K, 10M, and Half Marathon
Bloom under the Flower Moon - Full Moon Vibes Chase 5K, 10K, & Half Marathon logo

Bloom under the Flower Moon - Full Moon Vibes C...

Santa Monica, CA

Saturday, May 10th, 2025

10K
5K
Half
View details for race Bloom under the Flower Moon - Full Moon Vibes Chase 5K, 10K, & Half Marathon
Mother's Day 5k, 10k, 15k, Half Marathon logo

Mother's Day 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, May 10th, 2025

10K
15K
5K
View details for race Mother's Day 5k, 10k, 15k, Half Marathon
Bloom under the Flower Moon - Mothers Day 5K, 10K, & Half Marathon logo

Bloom under the Flower Moon - Mothers Day 5K, 1...

Venice Beach, CA

Saturday, May 10th, 2025

5K
10K
Half
View details for race Bloom under the Flower Moon - Mothers Day 5K, 10K, & Half Marathon
Heart and Sole Mothers Day Run 5K, 10K, and Half Marathon logo

Heart and Sole Mothers Day Run 5K, 10K, and Hal...

Huntington Beach, CA

Saturday, May 10th, 2025

10K
5K
Half
View details for race Heart and Sole Mothers Day Run 5K, 10K, and Half Marathon
Sunrise Marathon LOS ANGELES logo

Sunrise Marathon LOS ANGELES

Los Angeles, CA

Saturday, May 10th, 2025

5K
10K
Half
View details for race Sunrise Marathon LOS ANGELES
Mother's Day 5k, 10k, 15k, Half Marathon logo

Mother's Day 5k, 10k, 15k, Half Marathon

Santa monica, CA

Sunday, May 11th, 2025

10K
15K
5K
View details for race Mother's Day 5k, 10k, 15k, Half Marathon
Mahalo Miles - Miles of Gratitude 5K, 10K, & Half Marathon logo

Mahalo Miles - Miles of Gratitude 5K, 10K, & Ha...

Huntington Beach, CA

Sunday, May 11th, 2025

5K
10K
Half
View details for race Mahalo Miles - Miles of Gratitude 5K, 10K, & Half Marathon
Run for the Rose - Mother's Day 5K, 10K, 10 Miler and Half Marathon logo

Run for the Rose - Mother's Day 5K, 10K, 10 Mil...

Long Beach, CA

Sunday, May 11th, 2025

10K
15K
5K
View details for race Run for the Rose - Mother's Day 5K, 10K, 10 Miler and Half Marathon
Bee Happy – 5K, 10K, and Half Marathon logo

Bee Happy – 5K, 10K, and Half Marathon

Santa Monica, CA

Saturday, May 17th, 2025

10K
5K
Half
View details for race Bee Happy – 5K, 10K, and Half Marathon
Beach Fiesta 5k, 10k, 15k, Half Marathon logo

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

Long beach, CA

Saturday, May 17th, 2025

10K
15K
5K
View details for race Beach Fiesta 5k, 10k, 15k, Half Marathon
Marvel-ous Miles - Super Hero Dash 5K, 10K, & Half Marathon logo

Marvel-ous Miles - Super Hero Dash 5K, 10K, & ...

Santa Monica, CA

Sunday, May 18th, 2025

10K
5K
Half
View details for race Marvel-ous Miles - Super Hero Dash 5K, 10K, & Half Marathon
Run to Remember 5k, 10k, 15k, Half Marathon logo

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

Long beach, CA

Saturday, May 24th, 2025

10K
15K
5K
View details for race Run to Remember 5k, 10k, 15k, Half Marathon
Memorial Day 5k, 10k, 15k, Half Marathon logo

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

Long beach, CA

Monday, May 26th, 2025

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

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

Santa monica, CA

Monday, May 26th, 2025

10K
15K
5K
View details for race Memorial Day 5k, 10k, 15k, Half Marathon
Laguna Hills Memorial Day Half Marathon, 5K & 10K logo

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

Laguna Hills, CA

Monday, May 26th, 2025

Half
10K
5K
View details for race Laguna Hills Memorial Day Half Marathon, 5K & 10K
Wrigley River Run & Tadpole Trot Presented by Long Beach Clinical Trials logo

Wrigley River Run & Tadpole Trot Presented by L...

Long Beach, CA

Saturday, May 31st, 2025

10K
10 Miles
5K
View details for race Wrigley River Run & Tadpole Trot Presented by Long Beach Clinical Trials
The Great White Chase – 5K, 10K, 10M, and Half Marathon logo

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

Long Beach, CA

Sunday, June 1st, 2025

10K
15K
5K
View details for race The Great White Chase – 5K, 10K, 10M, and Half Marathon
Howlapalooza Under the Strawberry Moon – 5K, 10K, & Half Marathon logo

Howlapalooza Under the Strawberry Moon – 5K, 10...

Long Beach, CA

Sunday, June 1st, 2025

5K
10K
Half
View details for race Howlapalooza Under the Strawberry Moon – 5K, 10K, & Half Marathon
Pre Reg 2025 Wrigley River Run & Tadpole Trot Presented by Long Beach Clinical Trials logo

Pre Reg 2025 Wrigley River Run & Tadpole Trot P...

Long Beach, CA

Saturday, June 7th, 2025

10K
10 Miles
5K
View details for race Pre Reg 2025 Wrigley River Run & Tadpole Trot Presented by Long Beach Clinical Trials
Nike After Dark Los Angeles 13.1 logo

Nike After Dark Los Angeles 13.1

Inglewood, CA

Saturday, June 7th, 2025

Half
View details for race Nike After Dark Los Angeles 13.1
70th Annual Fontana Days Run logo

70th Annual Fontana Days Run

Fontana, CA

Saturday, June 7th, 2025

Half
5K
View details for race 70th Annual Fontana Days Run
Fun in the Sun 5k, 10k, 15k, Half Marathon logo

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

Long beach, CA

Sunday, June 8th, 2025

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

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

Santa monica, CA

Sunday, June 8th, 2025

10K
15K
5K
View details for race Fun in the Sun 5k, 10k, 15k, Half Marathon
Father's Day 5k, 10k, 15k, Half Marathon logo

Father's Day 5k, 10k, 15k, Half Marathon

Santa monica, CA

Saturday, June 14th, 2025

10K
15K
5K
View details for race Father's Day 5k, 10k, 15k, Half Marathon
Father's Day Fun Run LOS ANGELES logo

Father's Day Fun Run LOS ANGELES

Los Angeles, CA

Saturday, June 14th, 2025

10K
1 Mile
5K
View details for race Father's Day Fun Run LOS ANGELES
Run for Donuts LOS ANGELES logo

Run for Donuts LOS ANGELES

Los Angeles, CA

Saturday, June 14th, 2025

10K
1 Mile
5K
View details for race Run for Donuts LOS ANGELES
Happy Father's Day 5k, 10k, 15k, Half Marathon LB logo

Happy Father's Day 5k, 10k, 15k, Half Marathon LB

Long Beach, CA

Sunday, June 15th, 2025

10K
15K
5K
View details for race Happy Father's Day 5k, 10k, 15k, Half Marathon LB
Lucy in the Sky with Runners -5K, 10K, and Half Marathon logo

Lucy in the Sky with Runners -5K, 10K, and Hal...

Santa Monica, CA

Sunday, June 15th, 2025

10K
5K
Half
View details for race Lucy in the Sky with Runners -5K, 10K, and Half Marathon
Run for Coffee Lovers LOS ANGELES logo

Run for Coffee Lovers LOS ANGELES

Los Angeles, CA

Saturday, June 21st, 2025

10K
1 Mile
5K
View details for race Run for Coffee Lovers LOS ANGELES
Summer Extravaganza Run – 5K, 10K, and Half Marathon logo

Summer Extravaganza Run – 5K, 10K, and Half Mar...

Santa Monica, CA

Saturday, June 21st, 2025

10K
5K
Half
View details for race Summer Extravaganza Run – 5K, 10K, and Half Marathon
Summer Solstice 5k, 10k, 15k, Half Marathon logo

Summer Solstice 5k, 10k, 15k, Half Marathon

Long beach, CA

Saturday, June 21st, 2025

10K
15K
5K
View details for race Summer Solstice 5k, 10k, 15k, Half Marathon
Muffin Marathon LOS ANGELES logo

Muffin Marathon LOS ANGELES

Los Angeles, CA

Saturday, June 21st, 2025

10K
1 Mile
5K
View details for race Muffin Marathon LOS ANGELES
The Pineapple Paradise Run 5K, 10K, & Half Marathon logo

The Pineapple Paradise Run 5K, 10K, & Half Mara...

Venice Beach, CA

Saturday, June 21st, 2025

5K
10K
Half
View details for race The Pineapple Paradise Run 5K, 10K, & Half Marathon
Good Vibes Run- 5K, 10K, 10 Miler and Half Marathon logo

Good Vibes Run- 5K, 10K, 10 Miler and Half Mara...

Long Beach, CA

Sunday, June 22nd, 2025

10K
10 Miles
5K
View details for race Good Vibes Run- 5K, 10K, 10 Miler and Half Marathon
2025 Long Beach SOLOhalf, Half-Marathon Relay, 8K & 5K logo

2025 Long Beach SOLOhalf, Half-Marathon Relay, ...

Long Beach, CA

Sunday, June 22nd, 2025

5K
Half
View details for race 2025 Long Beach SOLOhalf, Half-Marathon Relay, 8K & 5K
Summer Time 5k, 10k, 15k, Half Marathon logo

Summer Time 5k, 10k, 15k, Half Marathon

Santa monica, CA

Sunday, June 22nd, 2025

10K
15K
5K
View details for race Summer Time 5k, 10k, 15k, Half Marathon
Old Zoo Half Marathon logo

Old Zoo Half Marathon

Los Angeles, CA

Sunday, June 22nd, 2025

Half
12K
View details for race Old Zoo Half Marathon
Straight out of Long Beach (Run Edition) 5K, 10K, and Half Marathon logo

Straight out of Long Beach (Run Edition) 5K, 10...

Long Beach, CA

Sunday, June 22nd, 2025

5K
10K
Half
View details for race Straight out of Long Beach (Run Edition) 5K, 10K, and Half Marathon
Summer time in the LBC 5K, 10K, & Half Marathon logo

Summer time in the LBC 5K, 10K, & Half Marathon

Long Beach, CA

Saturday, June 28th, 2025

10K
5K
Half
View details for race Summer time in the LBC 5K, 10K, & Half Marathon
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