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Races in Rancho Cucamonga, CA

Running races in or near Rancho Cucamonga, CA

Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more

See below for a frequently-updated, comprehensive list of upcoming running events in the local Rancho Cucamonga, 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.

Saucony

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-10K - Individual Age group/open

Organization: ABWR

Date of Race: 12-21-2025

Description: It's time for our Reindeer Run 5k, 10k, 15k, ...

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 10-12-2025

Description: It's time for our Haunted Heroes 5k, 10k, 15k, ...

Running-10K - Individual Age group/open

Organization: ABWR

Date of Race: 10-12-2025

Description: It's time for our Haunted Heroes 5k, 10k, 15k, ...

Running-15K - Individual Age group/open

Organization: ABWR

Date of Race: 10-12-2025

Description: It's time for our Haunted Heroes 5k, 10k, 15k, ...

Running-10K - Individual Age group/open

Organization: ABWR

Date of Race: 09-07-2025

Description: It's time for our Hot to Trot 5k, 10k, ...

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-15K - Individual Age group/open

Organization: ABWR

Date of Race: 12-21-2025

Description: It's time for our Reindeer Run 5k, 10k, 15k, ...

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 12-21-2025

Description: It's time for our Reindeer Run 5k, 10k, 15k, ...

Running-5K - Individual Age group/open

Organization: ABWR

Date of Race: 09-07-2025

Description: It's time for our Hot to Trot 5k, 10k, ...

Running-15K - Individual Age group/open

Organization: ABWR

Date of Race: 09-07-2025

Description: It's time for our Hot to Trot 5k, 10k, ...

Running-Half Marathon - Individual Age group/open

Organization: ABWR

Date of Race: 09-07-2025

Description: It's time for our Hot to Trot 5k, 10k, ...

Running-Half Marathon - Individual Age group/open

Organization: ABWR

Date of Race: 10-12-2025

Description: It's time for our Haunted Heroes 5k, 10k, 15k, ...

Running-Half Marathon - Individual Age group/open

Organization: ABWR

Date of Race: 12-21-2025

Description: It's time for our Reindeer Run 5k, 10k, 15k, ...

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 ...

Haunted Heroes 5k, 10k, 15k, Half Marathon

Organization: ABWR

Date of Race: 10-12-2025

Description: It's time for our Haunted Heroes 5k, 10k, 15k, ...

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 ...

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 ...

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 ...

Reindeer Run 5k, 10k, 15k, Half Marathon

Organization: ABWR

Date of Race: 12-21-2025

Description: It's time for our Reindeer Run 5k, 10k, 15k, ...

Hot to Trot 5k, 10k, 15k, Half Marathon

Organization: ABWR

Date of Race: 09-07-2025

Description: It's time for our Hot to Trot 5k, 10k, ...

Bubble Run | Irvine

Organization: Viral Run

Date of Race: 11-15-2025

Description: If you’ve done a traditional 5K, you know ...

Puzzle-Palooza

Organization: CITY OF YORBA LINDA

Date of Race: 10-03-2025

Description: Description

Puzzle-Palooza

Organization: CITY OF YORBA LINDA

Date of Race: 08-08-2025

Description: Description

FitnessMatchmaker.com

Complete list of running events in and near Rancho Cucamonga, CA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.


More information about Rancho Cucamonga

About Rancho Cucamonga

Rancho Cucamonga (CA) is a city in San Bernardino County with an estimated population of 165,269.[4]

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The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.

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