Running races in or near Stonington, CT
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Stonington, 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.
Cross Country Running
Organization: Miracle League of Southeastern Connecticut
Date of Race: 05-03-2026
Description: Introductory Cross Country Program to be held at Harkness Memorial State ...
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Running-10K - Individual $40.00
Organization: Town of New Shoreham
Date of Race: 05-09-2026
Description: This spring race (an island favorite) takes runners over ...
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Running-5K - Individual Age group/open
Organization: OSM
Date of Race: 11-26-2026
Description: Event details and schedule
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Running-5K - Individual Age group/open
Organization: Town of New Shoreham
Date of Race: 11-28-2026
Description: This great event is held in remembrance of Island ...
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2026 Block Island Half Marathon
Organization: Town of New Shoreham
Date of Race: 10-11-2026
Description: This half marathon will begin and end at the Fred Benson ...
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Running-Half marathon - Individual Age group/open
Organization: Town of New Shoreham
Date of Race: 10-11-2026
Description: This half marathon will begin and end at the Fred Benson ...
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Running-Half marathon - Individual Age group/open
Organization: OSM
Date of Race: 11-26-2026
Description: Event details and schedule
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2026 Block Island Shad Bloom 10 K Trail ...
Organization: Town of New Shoreham
Date of Race: 05-09-2026
Description: This spring race (an island favorite) takes runners over ...
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Running-5K - Individual Age group/open
Organization: OSM
Date of Race: 11-08-2026
Description: visit www.oceanstatemultisport.com and click course informationEvent details and schedule
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Running-Half marathon - Individual Age group/open
Organization: OSM
Date of Race: 11-08-2026
Description: visit www.oceanstatemultisport.com and click course informationEvent details and schedule
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angry unicorn 2026
Organization: OSM
Date of Race: 11-08-2026
Description: visit www.oceanstatemultisport.com and click course informationEvent details and schedule
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The Adrian Mitchell 5k Block Island Turkey Trot
Organization: Town of New Shoreham
Date of Race: 11-28-2026
Description: This great event is held in remembrance of Island ...
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Walking-5K - Individual Age group/open
Organization: Town of New Shoreham
Date of Race: 11-28-2026
Description: This great event is held in remembrance of Island ...
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Little Aquanauts: Junior Junior Junior Instructor Training (Week ...
Organization: NESS
Date of Race: 07-20-2026
Description: Calling all NESS Junior Instructors! Or should we say Junior Junior ...
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Complete list of running events in and near Stonington, CT: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Stonington
About Stonington
Stonington (CT) is a borough in New London County with an estimated population of 929.[4]
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Did you know?
There were at least 768 marathons scheduled in the United States and Canada in 2016.
