Running races in or near Brea, CA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Brea, 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.
Running-10K - 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-10K - 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: 11-30-2025
Description: It's time for our 4th race series! Our Turkey ...
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Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 02-16-2026
Description: It's time for our Cupid Chase 5k, 10k, 15k, Half Marathon ...
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Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 02-16-2026
Description: It's time for our Cupid Chase 5k, 10k, 15k, Half Marathon ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 02-16-2026
Description: It's time for our Cupid Chase 5k, 10k, 15k, Half Marathon ...
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Running-10K - 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-15K - Individual Age group/open
Organization: ABWR
Date of Race: 02-15-2026
Description: It's time for our Cupid Dash 5k, 10k, 15k, Half Marathon ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 04-05-2026
Description: It's time for our Happy Easter 5k, 10k, 15k, Half Marathon ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 04-19-2026
Description: It's time for our Spring Celebration 5k, 10k, 15k, Half Marathon ...
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Running-10K - 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-5K - 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-5K - Individual Age group/open
Organization: ABWR
Date of Race: 01-02-2026
Description: It's time to Kick off the New Year 5k, 10k, 15k, ...
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Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 01-02-2026
Description: It's time to Kick off the New Year 5k, 10k, 15k, ...
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Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 01-04-2026
Description: It's time to Ring in the New Year 5k, 10k, 15k, ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 01-04-2026
Description: It's time to Ring in the New Year 5k, 10k, 15k, ...
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Running-10K - 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: 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: 01-31-2026
Description: It's time for our Winter Blast 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: 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: 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-10K - 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: 11-01-2025
Description: It's time for our Runacopia 5k, 10k, ...
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Complete list of running events in and near Brea, CA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Brea
About Brea
Brea (CA) is a city in Orange County with an estimated population of 39,282.[4]
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Did you know?
In 2014, there were more than 1,100 marathons and more than 541,000 finishers in the U.S.
