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Races in Costa Mesa, CA

Running races in or near Costa Mesa, CA

Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more

See below for a frequently-updated, comprehensive list of upcoming running events in the local Costa Mesa, CA area. Races listed here include both walking and running events of various distances — from 1-milers, to 5Ks, to marathons, and everything else in between.

Road Runner Sports

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 08-03-2025

Description: ABWR has teamed up with two local charities to help ...

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 07-04-2025

Description: It's time for the Independence Day 5k, 10k, 15k, Half Marathon ...

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 09-06-2025

Description: ABWR has teamed up with two local charities to help ...

Running-15K - Individual Age group/open

Organization: ABWR

Date of Race: 09-06-2025

Description: ABWR has teamed up with two local charities to help ...

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 04-20-2025

Description: It's time for our Happy Easter 5k, 10k, 15k, ...

Running-10K - Individual Age group/open

Organization: ABWR

Date of Race: 04-20-2025

Description: It's time for our Happy Easter 5k, 10k, 15k, ...

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 10-18-2025

Description: It's time for our Spooktacular 5k, 10k, 15k, Half Marathon fun ...

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 08-02-2025

Description: ABWR has teamed up with two local charities to help ...

Running-10K - Individual Age group/open

Organization: ABWR

Date of Race: 08-02-2025

Description: ABWR has teamed up with two local charities to help ...

Running-15K - Individual Age group/open

Organization: ABWR

Date of Race: 08-02-2025

Description: ABWR has teamed up with two local charities to help ...

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 09-01-2025

Description: ABWR has teamed up with two local charities to help ...

Running-10K - Individual Age group/open

Organization: ABWR

Date of Race: 09-01-2025

Description: ABWR has teamed up with two local charities to help ...

Running-10K - Individual Age group/open

Organization: ABWR

Date of Race: 08-17-2025

Description: ABWR has teamed up with two local charities to help ...

Running-15K - Individual Age group/open

Organization: ABWR

Date of Race: 06-08-2025

Description: ABWR has teamed up with two local charities to help ...

Running-15K - Individual Age group/open

Organization: ABWR

Date of Race: 04-20-2025

Description: It's time for our Happy Easter 5k, 10k, 15k, ...

Running-10K - Individual Age group/open

Organization: ABWR

Date of Race: 09-27-2025

Description: ABWR has teamed up with two local charities to help with ...

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 09-27-2025

Description: ABWR has teamed up with two local charities to help with ...

Running-5K - Individual Age group/open

Organization: University High School PTSA

Date of Race: 02-07-2026

Description: 2026 Trojan Trot 5K Fun Run! Early Bird! ...

Running-15K - Individual Age group/open

Organization: ABWR

Date of Race: 10-25-2025

Description: It's time for our Monster Dash 5k, 10k, 15k, Half Marathon ...

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 10-25-2025

Description: It's time for our Monster Dash 5k, 10k, 15k, Half Marathon ...

Running-15K - Individual Age group/open

Organization: ABWR

Date of Race: 10-18-2025

Description: It's time for our Spooktacular 5k, 10k, 15k, Half Marathon fun ...

Running-15K - Individual Age group/open

Organization: ABWR

Date of Race: 08-17-2025

Description: ABWR has teamed up with two local charities to help ...

Running-10K - Individual Age group/open

Organization: ABWR

Date of Race: 08-03-2025

Description: ABWR has teamed up with two local charities to help ...

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 06-08-2025

Description: ABWR has teamed up with two local charities to help ...

Running-5K - Individual Age group/open

Organization: Forever Young and Fit LLC

Date of Race: 04-12-2025

Description: 🔥 2nd Annual 5K Beach Run Challenge – Are You Ready?🔥 ...

Road Runner Sports

Complete list of running events in and near Costa Mesa, CA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.


More information about Costa Mesa

About Costa Mesa

Costa Mesa (CA) is a city in Orange County with an estimated population of 109,960.[4]

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Did you know?

The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.

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