Running races in or near Monrovia, CA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Monrovia, 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: 10-11-2025
Description: It's time for our Haunted Heroes 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 12-14-2025
Description: It's time for our Holiday Fun 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 12-14-2025
Description: It's time for our Holiday Fun 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 12-14-2025
Description: It's time for our Holiday Fun 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 11-29-2025
Description: We are back at Hansen Dam!! It's ...
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 11-29-2025
Description: We are back at Hansen Dam!! It's ...
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 10-26-2025
Description: Come on out and join us for our Monster ...
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: Streets Are For Everyone (SAFE)
Date of Race: 05-02-2026
Description: Full event details can be found at www.streetsareforeveryone.org/finish-the-ride-griffith-park It’s not ...
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 10-11-2025
Description: It's time for our Haunted Heroes 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
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 ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: Streets Are For Everyone (SAFE)
Date of Race: 05-02-2026
Description: Full event details can be found at www.streetsareforeveryone.org/finish-the-ride-griffith-park It’s not ...
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 10-11-2025
Description: It's time for our Haunted Heroes 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 10-26-2025
Description: Come on out and join us for our Monster ...
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 10-26-2025
Description: Come on out and join us for our Monster ...
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 11-29-2025
Description: We are back at Hansen Dam!! It's ...
View Race Details View on Map
Running-Half Marathon - Individual Age group/open
Organization: ABWR
Date of Race: 11-29-2025
Description: We are back at Hansen Dam!! It's ...
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: ABWR
Date of Race: 10-26-2025
Description: Come on out and join us for our Monster ...
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: ABWR
Date of Race: 10-11-2025
Description: It's time for our Haunted Heroes 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: Streets Are For Everyone (SAFE)
Date of Race: 05-02-2026
Description: Full event details can be found at www.streetsareforeveryone.org/finish-the-ride-griffith-park It’s not ...
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: ABWR
Date of Race: 12-14-2025
Description: It's time for our Holiday Fun 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Monster Dash 5k, 10k, 15k, Half Marathon YL
Organization: ABWR
Date of Race: 10-26-2025
Description: Come on out and join us for our Monster ...
View Race Details View on Map
2025 Boyle Heights 5K Run
Organization: Variety Boys & Girls Club
Date of Race: 10-18-2025
Description: The annual Boyle Heights 5K Run/Walk Munchkin ...
View Race Details View on Map
Turkey Trot (Saturday) 5k, 10k, 15k, Half Marathon
Organization: ABWR
Date of Race: 11-29-2025
Description: We are back at Hansen Dam!! It's ...
View Race Details View on Map
Holiday Fun 5k, 10k, 15k, Half Marathon
Organization: ABWR
Date of Race: 12-14-2025
Description: It's time for our Holiday Fun 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Haunted Heroes 5k, 10k, 15k, Half Marathon
Organization: ABWR
Date of Race: 10-11-2025
Description: It's time for our Haunted Heroes 5k, 10k, 15k, Half Marathon ...
View Race Details View on Map
Complete list of running events in and near Monrovia, CA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Monrovia
About Monrovia
Monrovia (CA) is a city in Los Angeles County with an estimated population of 36,590.[4]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
Historically, more marathons are run in the month of October than any other month (in the U.S.).