Running races in or near Walnut, CA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Walnut, 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 - Individual Age group/open
Organization: ABWR
Date of Race: 11-30-2025
Description: It's time for our 4th race series! Our Turkey ...
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 07-18-2026
Description: It's time for our Hot to Trot 5k, 10k, 15k, Half ...
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 07-18-2026
Description: It's time for our Hot to Trot 5k, 10k, 15k, Half ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 06-13-2026
Description: It's time for our Phoenix Rising 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 06-13-2026
Description: It's time for our Phoenix Rising 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 07-18-2026
Description: It's time for our Hot to Trot 5k, 10k, 15k, Half ...
View Race Details View on Map
Running-5K - 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, ...
View Race Details View on Map
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, ...
View Race Details View on Map
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 ...
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 06-13-2026
Description: It's time for our Phoenix Rising 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
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, ...
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 11-30-2025
Description: It's time for our 4th race series! Our Turkey ...
View Race Details View on Map
Bubble Run - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶
Organization: Viral Run
Date of Race: 11-15-2025
Description: If you’ve done a traditional 5K, you know ...
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: ABWR
Date of Race: 07-18-2026
Description: It's time for our Hot to Trot 5k, 10k, 15k, Half ...
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: ABWR
Date of Race: 06-13-2026
Description: It's time for our Phoenix Rising 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Running-Half Marathon - Individual Age group/open
Organization: ABWR
Date of Race: 11-30-2025
Description: It's time for our 4th race series! Our Turkey ...
View Race Details View on Map
Bubble Run | Irvine
Organization: Viral Run
Date of Race: 11-15-2025
Description: If you’ve done a traditional 5K, you know ...
View Race Details View on Map
Bubble Run - Exclusive VIP Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...
Organization: Viral Run
Date of Race: 08-29-2026
Description: If you’ve done a traditional 5K, you know they ...
View Race Details View on Map
11/3-11/28
Organization: City of Downey
Date of Race: 11-03-2025
Description: Age CategorySeniorLocationApollo Park Open SpaceInstructorEric Nilsen
View Race Details View on Map
Blacklight Run - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶
Organization: Viral Run
Date of Race: 08-29-2026
Description: The Blacklight Run™ is none other than the brightest, most fun ...
View Race Details View on Map
Blacklight Run - Exclusive VIP Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...
Organization: Viral Run
Date of Race: 08-29-2026
Description: The Blacklight Run™ is none other than the brightest, most fun ...
View Race Details View on Map
Running-Half Marathon - 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, ...
View Race Details View on Map
Bubble Run - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶
Organization: Viral Run
Date of Race: 08-29-2026
Description: If you’ve done a traditional 5K, you know they ...
View Race Details View on Map
Bubble Run - Exclusive VIP Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...
Organization: Viral Run
Date of Race: 11-15-2025
Description: If you’ve done a traditional 5K, you know ...
View Race Details View on Map
11/3-11/28
Organization: City of Downey
Date of Race: 11-03-2025
Description: Age CategorySeniorLocationApollo Park Open SpaceInstructorEric Nilsen
View Race Details View on Map
Complete list of running events in and near Walnut, CA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Walnut
About Walnut
Walnut (CA) is a city in Los Angeles County with an estimated population of 29,172.[4]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
