Running races in or near Diamond Bar, CA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Diamond Bar, 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 - 5K - Adult Registration
Organization: Principles, Inc. d.b.a. Impact
Date of Race: 02-23-2025
Description: IMPACT 5K: DASH THRU THE 80s Join us on FEBRUARY ...
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Running-5K - 5K - Child Registration
Organization: Principles, Inc. d.b.a. Impact
Date of Race: 02-23-2025
Description: IMPACT 5K: DASH THRU THE 80s Join us on FEBRUARY ...
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Running-15K - Individual Age group/open
Organization: ABWR
Date of Race: 03-30-2025
Description: ABWR has teamed up with two local charities to help with ...
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Running-10K - Individual Age group/open
Organization: ABWR
Date of Race: 03-30-2025
Description: ABWR has teamed up with two local charities to help with ...
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Running-5K - Individual Age group/open
Organization: ABWR
Date of Race: 03-30-2025
Description: ABWR has teamed up with two local charities to help with ...
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Bubble Run - VIP Registration
Organization: Viral Run
Date of Race: 07-19-2025
Description: If you’ve done a traditional 5K, you know they ...
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Bubble Run | Pomona
Organization: Viral Run
Date of Race: 07-19-2025
Description: If you’ve done a traditional 5K, you know they ...
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La Habra Run 50-Yard Diaper Dash Runners
Organization: City of La Habra Community Services Department
Date of Race: 03-08-2025
Description: DescriptionThe La Habra Races Registration is now closed. You can still ...
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La Habra Run 1K Kiddy Runners
Organization: City of La Habra Community Services Department
Date of Race: 03-08-2025
Description: DescriptionThe La Habra Races Registration is now closed. You can still ...
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La Habra Run 5K Runners
Organization: City of La Habra Community Services Department
Date of Race: 03-08-2025
Description: DescriptionThe La Habra Races Registration is now closed. You can still ...
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Bubble Run - Value Registrations
Organization: Viral Run
Date of Race: 07-19-2025
Description: If you’ve done a traditional 5K, you know they ...
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La Habra Run 1K Kiddy Runners
Organization: City of La Habra Community Services Department
Date of Race: 03-08-2025
Description: DescriptionThe La Habra Races Registration is now closed. You can still ...
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Bubble Run - Standard Registration
Organization: Viral Run
Date of Race: 07-19-2025
Description: If you’ve done a traditional 5K, you know they ...
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Running-Half marathon - Individual Age group/open
Organization: ABWR
Date of Race: 03-30-2025
Description: ABWR has teamed up with two local charities to help with ...
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Bubble Run - VIP Registration
Organization: Viral Run
Date of Race: 11-08-2025
Description: If you’ve done a traditional 5K, you know ...
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Tacos N Beer 5k--Whittier Narrows Park - Individual ...
Organization: Runcarrera TEAM
Date of Race: 05-03-2025
Description: A 5k run like no other! Tacos ...
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Impact 5K: Dash Thru the 80s
Organization: Principles, Inc. d.b.a. Impact
Date of Race: 02-23-2025
Description: IMPACT 5K: DASH THRU THE 80s Join us on FEBRUARY ...
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Bubble Run - Standard Registration
Organization: Viral Run
Date of Race: 11-08-2025
Description: If you’ve done a traditional 5K, you know ...
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Bubble Run - Value Registrations
Organization: Viral Run
Date of Race: 11-08-2025
Description: If you’ve done a traditional 5K, you know ...
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Phoenix Rising 5k, 10k, 15k, Half Marathon
Organization: ABWR
Date of Race: 03-30-2025
Description: ABWR has teamed up with two local charities to help with ...
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Bubble Run | Irvine
Organization: Viral Run
Date of Race: 11-08-2025
Description: If you’ve done a traditional 5K, you know ...
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Tacos N' Beer 5k--May 3, 2025
Organization: Runcarrera TEAM
Date of Race: 05-03-2025
Description: A 5k run like no other! Tacos ...
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2025 Adaptive Sports Fair Registration
Organization: Rancho Cucamonga Community Services
Date of Race: 06-14-2025
Description: DescriptionThe 3rd Annual Adaptive Sports Fair will take place on Saturday, ...
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RUN 100 Ses. 2
Organization: City of Downey
Date of Race: 03-31-2025
Description: DescriptionInstride RunningClass Location: Apollo Park Open SpaceUniform: $50
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RUN 60 Ses. 4
Organization: City of Downey
Date of Race: 03-31-2025
Description: DescriptionInstride RunningClass Location: Apollo Park Open SpaceUniform: $50
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Complete list of running events in and near Diamond Bar, CA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Diamond Bar
About Diamond Bar
Diamond Bar (CA) is a city in Los Angeles County with an estimated population of 55,544.[4]
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In 2014, there were more than 1,100 marathons and more than 541,000 finishers in the U.S.
