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: 01-05-2026
Description: DescriptionInstride Running Club is a youth group that trains for track, ...
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Instride Running
Organization: City of Downey
Date of Race: 01-05-2026
Description: DescriptionInstride Running Club is a youth group that trains for track, ...
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Instride Running
Organization: City of Downey
Date of Race: 01-05-2026
Description: DescriptionInstride Running Club is a youth group that trains for track, ...
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Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 01-25-2026
Description: It's time for the Winter Wonderland 5k, 10k, 15k, Half Marathon ...
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Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 02-28-2026
Description: It's time for our Ocean Breeze 5k, 10k, 15k, Half Marathon ...
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Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 03-14-2026
Description: It's time for our Rockin' Shamrock 5k, 10k, 15k, Half Marathon ...
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Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 03-21-2026
Description: It's time for our Spring Equinox 5k, 10k, 15k, Half Marathon ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 03-21-2026
Description: It's time for our Spring Equinox 5k, 10k, 15k, Half Marathon ...
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Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 04-25-2026
Description: It's time for our Spring Sensation 5k, 10k, 15k, Half Marathon ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 12-20-2025
Description: It's time for our Reindeer Run 5k, 10k, 15k, Half Marathon ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 01-03-2026
Description: It's time to Run in the New Year 5k, 10k, 15k, ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 05-09-2026
Description: It's time for our Happy Mother's Day 5k, ...
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Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 05-25-2026
Description: It's time for our Memorial Day 5k, 10k, ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 05-25-2026
Description: It's time for our Memorial Day 5k, 10k, ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 01-25-2026
Description: It's time for the Winter Wonderland 5k, 10k, 15k, Half Marathon ...
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Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 02-07-2026
Description: It's time for our Dolphin Dash 5k, 10k, 15k, Half Marathon ...
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Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 02-07-2026
Description: It's time for our Dolphin Dash 5k, 10k, 15k, Half Marathon ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 01-31-2026
Description: It's time for our Winter Blast 5k, 10k, 15k, Half Marathon ...
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Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 01-31-2026
Description: It's time for our Winter Blast 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-15K - Individual Age group/open
Organization: ABWR
Date of Race: 04-11-2026
Description: It's time for our Rise and Shine 5k, 10k, 15k, Half ...
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Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 04-25-2026
Description: It's time for our Spring Sensation 5k, 10k, 15k, Half Marathon ...
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Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 02-15-2026
Description: It's time for the Cupid Dash 5k, 10k, ...
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Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 02-15-2026
Description: It's time for the Cupid Dash 5k, 10k, ...
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Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 05-09-2026
Description: It's time for our Happy Mother's Day 5k, ...
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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.).
