Running races in or near Ansonia, CT
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Ansonia, 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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Running-5K - Individual Age group/open
Organization: Knights Cross Country
Date of Race: 11-22-2026
Description: ...
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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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Kid's Fun Run - Individual Age group/open
Organization: Knights Cross Country
Date of Race: 11-22-2026
Description: ...
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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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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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New Haven Race Oct 3
Organization: Riverfront Recapture
Date of Race: 10-03-2026
Description: This is the race fee for participation in the New Haven ...
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February Camp
Organization: Strive Soccer LLC
Date of Race: 02-15-2027
Description: Register today for our Indoor camp, This will be our 4th ...
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Complete list of running events in and near Ansonia, CT: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Ansonia
About Ansonia
Ansonia (CT) is a city in New Haven County with an estimated population of 19,249.[4]
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Did you know?
Historically, more marathons are run in the month of October than any other month (in the U.S.).
