Running races in or near Newtown, CT
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Newtown, 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: 11-27-2025
Description: Our 5th Annual Tradition! Thanksgiving Morning ...
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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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Running-Half marathon - Gulf Beach Half Marathon
Organization: Shoreline Sharks
Date of Race: 09-13-2025
Description:
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2025 Shoreline Turkey Trot 5K
Organization: Shoreline Sharks
Date of Race: 11-27-2025
Description: Our 5th Annual Tradition! Thanksgiving Morning ...
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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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Complete list of running events in and near Newtown, CT: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Newtown
About Newtown
Newtown (CT) is a borough in Fairfield County with an estimated population of 1,941.[4]
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Did you know?
In 2015, the 5K maintained the #1 position of all race distances with 7.6 million finishers (U.S.).
