Running races in or near San Dimas, CA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local San Dimas, 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: 12-31-2026
Description: Celebrate New Year's Eve at the New Year's Eve ...
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 11-15-2026
Description: It's time for the Friendsgiving 5k, 10k, 15k, Half Marathon at ...
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 12-31-2026
Description: Celebrate New Year's Eve at the New Year's Eve ...
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 11-15-2026
Description: It's time for the Friendsgiving 5k, 10k, 15k, Half Marathon at ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 11-28-2026
Description: Come on out and join us for the Saturday Turkey Trot ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 11-15-2026
Description: It's time for the Friendsgiving 5k, 10k, 15k, Half Marathon at ...
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 11-28-2026
Description: Come on out and join us for the Saturday Turkey Trot ...
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 11-28-2026
Description: Come on out and join us for the Saturday Turkey Trot ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 12-31-2026
Description: Celebrate New Year's Eve at the New Year's Eve ...
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: ABWR
Date of Race: 11-28-2026
Description: Come on out and join us for the Saturday Turkey Trot ...
View Race Details View on Map
Running-Half Marathon - Individual Age group/open
Organization: ABWR
Date of Race: 11-15-2026
Description: It's time for the Friendsgiving 5k, 10k, 15k, Half Marathon at ...
View Race Details View on Map
Running-Half Marathon - Individual Age group/open
Organization: ABWR
Date of Race: 12-31-2026
Description: Celebrate New Year's Eve at the New Year's Eve ...
View Race Details View on Map
Session 3
Organization: City of Downey
Date of Race: 11-09-2026
Description: Age CategorySeniorLocationApollo Park Open SpaceInstructorEric Nilsen
View Race Details View on Map
Session 3
Organization: City of Downey
Date of Race: 11-09-2026
Description: Age CategorySeniorLocationApollo Park Open SpaceInstructorEric Nilsen
View Race Details View on Map
12/1-12/22
Organization: City of Downey
Date of Race: 12-07-2026
Description: Age CategorySeniorLocationApollo Park Open SpaceInstructorEric Nilsen
View Race Details View on Map
Riverside Mission Inn
Organization: City of Rosemead
Date of Race: 12-19-2026
Description: Age CategorySeniorLocationApollo Park Open SpaceInstructorEric Nilsen
View Race Details View on Map
New Years Eve 5k, 10k, 15k, Half Marathon
Organization: ABWR
Date of Race: 12-31-2026
Description: Celebrate New Year's Eve at the New Year's Eve ...
View Race Details View on Map
Muddy Dash - VALUE REGISTRATION - R̶e̶g̶u̶l̶a̶r̶ ...
Organization: Viral Run
Date of Race: 03-06-2027
Description: Muddy Dash is not your average mud run! Get ready for ...
View Race Details View on Map
12/1-12/22
Organization: City of Downey
Date of Race: 12-07-2026
Description: Age CategorySeniorLocationApollo Park Open SpaceInstructorEric Nilsen
View Race Details View on Map
Muddy Dash - Exclusive VIP Registration - ...
Organization: Viral Run
Date of Race: 03-06-2027
Description: Muddy Dash is not your average mud run! Get ready for ...
View Race Details View on Map
Turkey Trot (Saturday) 5k, 10k, 15k, Half Marathon
Organization: ABWR
Date of Race: 11-28-2026
Description: Come on out and join us for the Saturday Turkey Trot ...
View Race Details View on Map
Muddy Dash | Irvine 2027
Organization: Viral Run
Date of Race: 03-06-2027
Description: Muddy Dash is not your average mud run! Get ready for ...
View Race Details View on Map
Friendsgiving 5k, 10k, 15k, Half Marathon
Organization: ABWR
Date of Race: 11-15-2026
Description: It's time for the Friendsgiving 5k, 10k, 15k, Half Marathon at ...
View Race Details View on Map
Terrain Race - Exclusive VIP Registration - R̶e̶g̶u̶l̶a̶r̶ ...
Organization: Viral Run
Date of Race: 11-21-2026
Description: Jump, climb, roll, and crawl your way through this one-of-a-kind obstacle ...
View Race Details View on Map
Terrain Race - Value Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶7̶4.9̶5̶
Organization: Viral Run
Date of Race: 11-21-2026
Description: Jump, climb, roll, and crawl your way through this one-of-a-kind obstacle ...
View Race Details View on Map
Complete list of running events in and near San Dimas, CA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about San Dimas
About San Dimas
San Dimas (CA) is a city in Los Angeles County with an estimated population of 33,371.[4]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
In 2014, there were more than 1,100 marathons and more than 541,000 finishers in the U.S.
