Running races in or near Los Alamitos, CA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Los Alamitos, 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-5K - 5k Running
Organization: Doggy Dash Cause for Paws
Date of Race: 09-21-2025
Description: Be active and participate in our 5k/10k for a great cause, ...
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Running-10K - 10k Running
Organization: Doggy Dash Cause for Paws
Date of Race: 09-21-2025
Description: Be active and participate in our 5k/10k for a great cause, ...
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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-5K - Individual Age group/open
Organization: Variety Boys & Girls Club
Date of Race: 10-18-2025
Description: The annual Boyle Heights 5K Run/Walk Munchkin ...
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Running-15K - 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-5K - 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: 09-06-2025
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: 10-26-2025
Description: Come on out and join us for our Monster ...
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Running-10K - 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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Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 11-09-2025
Description: It's time for our Honor the Brave 5k, ...
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Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 11-09-2025
Description: It's time for our Honor the Brave 5k, ...
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Running-15K - 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: 11-30-2025
Description: It's time for our 4th race series! Our Turkey ...
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Running-15K - 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: 01-03-2026
Description: It's time to Run in the New Year 5k, 10k, 15k, ...
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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-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-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-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-15K - Individual Age group/open
Organization: ABWR
Date of Race: 11-09-2025
Description: It's time for our Honor the Brave 5k, ...
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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: 10-25-2025
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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Complete list of running events in and near Los Alamitos, CA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Los Alamitos
About Los Alamitos
Los Alamitos (CA) is a city in Orange County with an estimated population of 11,449.[4]
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Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
