Running Races in 06437 (Guilford, CT)
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more in or near 06437
See below for a frequently-updated, comprehensive list of upcoming running events in the local Guilford, 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 Hamden Flat 5K
Organization: Shoreline Sharks
Date of Race: 05-23-2026
Description: Our 15thAnnual Event! We start at 7am ...
View Race Details View on Map
Running-10 Mile - 10 Mile Run
Organization: Shoreline Sharks
Date of Race: 08-01-2026
Description: Are you ready for ...
View Race Details View on Map
Running-5K - Runner or Walker
Organization: Shoreline Sharks
Date of Race: 11-26-2026
Description: Our 6th Annual Tradition! Thanksgiving Morning ...
View Race Details View on Map
Athlete - 10K - Running or Walking 10K
Organization: Shoreline Sharks
Date of Race: 10-03-2026
Description: Our 10th Annual Rail Trail 10K Race! ...
View Race Details View on Map
The Perfect Ten & Five Mile Road Race
Organization: Shoreline Sharks
Date of Race: 08-01-2026
Description: Are you ready for ...
View Race Details View on Map
Running-5 Mile - 5 Mile Run or Walk
Organization: Shoreline Sharks
Date of Race: 08-01-2026
Description: Are you ready for ...
View Race Details View on Map
2026 Hamden Hills Half Marathon & Flat 5K
Organization: Shoreline Sharks
Date of Race: 05-23-2026
Description: Our 15thAnnual Event! We start at 7am ...
View Race Details View on Map
Muddy Princess - Long Island, NY
Organization: Muddy Princess Corporation
Date of Race: 06-07-2026
Description: Muddy Princessis a 5K obstacle mud run for women! Our event ...
View Race Details View on Map
Running-Half marathon - Hamden Hills Half Marathon
Organization: Shoreline Sharks
Date of Race: 05-23-2026
Description: Our 15thAnnual Event! We start at 7am ...
View Race Details View on Map
Running-Half marathon - Gulf Beach Half Marathon
Organization: Shoreline Sharks
Date of Race: 09-12-2026
Description:
View Race Details View on Map
2026 Shoreline Turkey Trot 5K
Organization: Shoreline Sharks
Date of Race: 11-26-2026
Description: Our 6th Annual Tradition! Thanksgiving Morning ...
View Race Details View on Map
Standard Ticket - Standard Ticket
Organization: Muddy Princess Corporation
Date of Race: 06-07-2026
Description: Muddy Princessis a 5K obstacle mud run for women! Our event ...
View Race Details View on Map
VIP Ticket - VIP Ticket
Organization: Muddy Princess Corporation
Date of Race: 06-07-2026
Description: Muddy Princessis a 5K obstacle mud run for women! Our event ...
View Race Details View on Map
2026 Rail Trail 10K Race
Organization: Shoreline Sharks
Date of Race: 10-03-2026
Description: Our 10th Annual Rail Trail 10K Race! ...
View Race Details View on Map
Mother's Day Bird Walk
Organization: Eli Whitney Museum & Workshop
Date of Race: 05-10-2026
Description: Our 10th Annual Rail Trail 10K Race! ...
View Race Details View on Map
Complete list of running events in and near Guilford, CT: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about 06437
About Guilford
The ZIP Code 06437 is associated with the city of Guilford in New Haven County in the state of Connecticut.
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
There were at least 768 marathons scheduled in the United States and Canada in 2016.
