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.
Instride Running
Organization: City of Downey
Date of Race: 07-14-2025
Description: DescriptionInstride Running Club is a youth group that trains for ...
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Instride Running
Organization: City of Downey
Date of Race: 07-14-2025
Description: DescriptionInstride Running Club is a youth group that trains for ...
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Instride Running
Organization: City of Downey
Date of Race: 07-14-2025
Description: DescriptionInstride Running Club is a youth group that trains for ...
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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 ...
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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 ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 11-01-2025
Description: It's time for our Runacopia 5k, 10k, ...
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Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 11-22-2025
Description: It's time for our Giving Thanks 5k, 10k, ...
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Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 11-28-2025
Description: It's time for our Tukey Trot 5k, 10k, ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 11-28-2025
Description: It's time for our Tukey Trot 5k, 10k, ...
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Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 12-06-2025
Description: It's time for our Season's Greetings 5k, 10k, 15k, Half Marathon ...
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Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 12-24-2025
Description: It's time for our Happy Holidays 5k, 10k, 15k, Half Marathon ...
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Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 12-24-2025
Description: It's time for our Happy Holidays 5k, 10k, 15k, Half Marathon ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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! ...
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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 ...
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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 ...
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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 ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 10-26-2025
Description: Come on out and join us for our Monster ...
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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?
Historically, more marathons are run in the month of October than any other month (in the U.S.).
