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 - Running or Walking 5K
Organization: Shoreline Sharks
Date of Race: 05-24-2025
Description: Our 14thAnnual Event! We are starting ...
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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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Kids Fun Run - Individual Kid
Organization: Westport Young Woman's League
Date of Race: 04-27-2025
Description: The Westport Young Woman’s League will be hosting its ...
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5K Run/Walk - Individual Registration
Organization: Westport Young Woman's League
Date of Race: 04-27-2025
Description: The Westport Young Woman’s League will be hosting its ...
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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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10K Run - Individual Registration
Organization: Westport Young Woman's League
Date of Race: 04-27-2025
Description: The Westport Young Woman’s League will be hosting its ...
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2025 Minute Man Race
Organization: Westport Young Woman's League
Date of Race: 04-27-2025
Description: The Westport Young Woman’s League will be hosting its ...
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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 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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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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Mother's Day Bird Walk
Organization: Eli Whitney Museum & Workshop
Date of Race: 05-11-2025
Description: All ages welcome, minors must be accompanied by an adult.
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Quinnipiac Baseball Summer Youth Clinics
Organization: Quinnipiac University Athletics
Date of Race: 06-23-2025
Description: Youth Summer Clinics Goal is to help young ball players learn ...
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Camp-One-day - One Day July 21 One Camper
Organization: Trifitness
Date of Race: 07-21-2025
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Clinic/camp-Multi-day - Third child registration
Organization: Trifitness
Date of Race: 07-21-2025
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Clinic/camp-Multi-day - Second child registration
Organization: Trifitness
Date of Race: 07-21-2025
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Camp-One-day - One Day July 17 One Camper
Organization: Trifitness
Date of Race: 07-14-2025
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Clinic/camp-Multi-day - One camper
Organization: Trifitness
Date of Race: 07-14-2025
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Clinic/camp-Multi-day - Third child registration
Organization: Trifitness
Date of Race: 06-23-2025
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Clinic/camp-Multi-day - One camper
Organization: Trifitness
Date of Race: 07-28-2025
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Clinic/camp-Multi-day - Second child registration
Organization: Trifitness
Date of Race: 07-28-2025
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Bobcats Setter Academy
Organization: Quinnipiac University Athletics
Date of Race: 07-17-2025
Description: Bobcats Setter Academy is designed for athletes who want to elevate ...
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Clinic/camp-Multi-day - Third child registration
Organization: Trifitness
Date of Race: 07-14-2025
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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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 2014, there were more than 1,100 marathons and more than 541,000 finishers in the U.S.
