Running races in or near New Haven, 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 Haven, 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 - Runner or Walker
Organization: Shoreline Sharks
Date of Race: 11-26-2026
Description: Our 6th Annual Tradition! Thanksgiving Morning ...
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Athlete - 10K - Running or Walking 10K
Organization: Shoreline Sharks
Date of Race: 10-03-2026
Description: Our 10th Annual Rail Trail 10K Race! ...
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Running-Half marathon - Gulf Beach Half Marathon
Organization: Shoreline Sharks
Date of Race: 09-12-2026
Description:
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2026 Rail Trail 10K Race
Organization: Shoreline Sharks
Date of Race: 10-03-2026
Description: Our 10th Annual Rail Trail 10K Race! ...
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2026 Shoreline Turkey Trot 5K
Organization: Shoreline Sharks
Date of Race: 11-26-2026
Description: Our 6th Annual Tradition! Thanksgiving Morning ...
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Complete list of running events in and near New Haven, CT: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about New Haven
About New Haven
New Haven (CT) is a city in New Haven County with an estimated population of 129,779.[4]
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Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
