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Races in Monrovia, CA

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.

Fleet Feet Sports

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 ...

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 ...

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 ...

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 ...

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 11-29-2025

Description: We are back at Hansen Dam!! It's ...

Running-10K - Individual Age group/open

Organization: ABWR

Date of Race: 11-29-2025

Description: We are back at Hansen Dam!! It's ...

Running-15K - Individual Age group/open

Organization: ABWR

Date of Race: 10-26-2025

Description: Come on out and join us for our Monster ...

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 ...

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 ...

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 ...

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 ...

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 ...

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 10-26-2025

Description: Come on out and join us for our Monster ...

Running-10K - Individual Age group/open

Organization: ABWR

Date of Race: 10-26-2025

Description: Come on out and join us for our Monster ...

Running-15K - Individual Age group/open

Organization: ABWR

Date of Race: 11-29-2025

Description: We are back at Hansen Dam!! It's ...

Running-Half Marathon - Individual Age group/open

Organization: ABWR

Date of Race: 11-29-2025

Description: We are back at Hansen Dam!! It's ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Saucony

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]

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Historically, more marathons are run in the month of October than any other month (in the U.S.).

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