Running races in or near New Britain, CT
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local New Britain, CT 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 - Running or Walking 5K
Organization: Shoreline Sharks
Date of Race: 05-24-2025
Description: Our 14thAnnual Event! We are starting ...
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Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-09-2025
Description: World's Best Marathon Half Series(5K's and 10K's too)! No Time ...
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5K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-09-2025
Description: World's Best Marathon Half Series(5K's and 10K's too)! No Time ...
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Half Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-09-2025
Description: World's Best Marathon Half Series(5K's and 10K's too)! No Time ...
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10K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-09-2025
Description: World's Best Marathon Half Series(5K's and 10K's too)! No Time ...
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50K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-09-2025
Description: World's Best Marathon Half Series(5K's and 10K's too)! No Time ...
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Bubble Run - Value Registrations
Organization: Viral Run
Date of Race: 05-31-2025
Description: If you’ve done a traditional 5K, you know ...
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Running-Half marathon - Hamden Hills Half Marathon
Organization: Shoreline Sharks
Date of Race: 05-24-2025
Description: Our 14thAnnual Event! We are starting ...
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Bubble Run | Hartford | May 31st
Organization: Viral Run
Date of Race: 05-31-2025
Description: If you’ve done a traditional 5K, you know ...
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2025 New England Series - Day 1 (CT)
Organization: Mainly Marathons
Date of Race: 06-09-2025
Description: World's Best Marathon Half Series(5K's and 10K's too)! No Time ...
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Bubble Run - Standard Registration
Organization: Viral Run
Date of Race: 05-31-2025
Description: If you’ve done a traditional 5K, you know ...
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Bubble Run - VIP Registration
Organization: Viral Run
Date of Race: 05-31-2025
Description: If you’ve done a traditional 5K, you know ...
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Athlete - 10K - Running or Walking 10K
Organization: Shoreline Sharks
Date of Race: 10-04-2025
Description: Our 9th Annual Rail Trail 10K Race! ...
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2025 Rail Trail 10K Race
Organization: Shoreline Sharks
Date of Race: 10-04-2025
Description: Our 9th Annual Rail Trail 10K Race! ...
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2025 Hamden Hills Half Marathon & Flat 5K
Organization: Shoreline Sharks
Date of Race: 05-24-2025
Description: Our 14thAnnual Event! We are starting ...
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Complete list of running events in and near New Britain, CT: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about New Britain
About New Britain
New Britain (CT) is a city in Hartford County with an estimated population of 73,206.[4]
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Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
