Running races in or near Port Jefferson, NY
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Port Jefferson, NY 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-Half marathon - Individual Age group/open
Organization: Shoreline Sharks
Date of Race: 03-28-2026
Description: Connecticut's 2nd largest Marathon Join us for ...
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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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3 Half Marathon Entry or 1 Marathon + ...
Organization: Shoreline Sharks
Date of Race: 03-28-2026
Description: The 2026 Shoreline Sharks3 Half Marathon Ticket is a ...
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VIP Ticket - VIP Ticket
Organization: Muddy Princess Corporation
Date of Race: 06-07-2026
Description: Muddy Princessis a 3Mi obstacle mud run for women! Our event ...
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3 Half Marathon Entry or 1 Marathon + ...
Organization: Shoreline Sharks
Date of Race: 03-28-2026
Description: The 2026 Shoreline Sharks3 Half Marathon Ticket is a ...
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Savin Rock Marathon - Individual Age group/open
Organization: Shoreline Sharks
Date of Race: 03-28-2026
Description: Connecticut's 2nd largest Marathon Join us for ...
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Muddy Princess - Long Island, NY
Organization: Muddy Princess Corporation
Date of Race: 06-07-2026
Description: Muddy Princessis a 3Mi obstacle mud run for women! Our event ...
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Standard Ticket - Standard Ticket
Organization: Muddy Princess Corporation
Date of Race: 06-07-2026
Description: Muddy Princessis a 3Mi obstacle mud run for women! Our event ...
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2026 Shoreline Sharks 3 Half Marathon Entry
Organization: Shoreline Sharks
Date of Race: 03-28-2026
Description: The 2026 Shoreline Sharks3 Half Marathon Ticket is a ...
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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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2026 Savin Rock Marathon & Half Marathon
Organization: Shoreline Sharks
Date of Race: 03-28-2026
Description: Connecticut's 2nd largest Marathon Join us for ...
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Clinic/camp-Multi-day - One camper
Organization: Trifitness
Date of Race: 06-29-2026
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: 06-29-2026
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Camp-One-day - One Day July 6 One Camper
Organization: Trifitness
Date of Race: 07-06-2026
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Camp-One-day - One Day July 9 One Camper
Organization: Trifitness
Date of Race: 07-06-2026
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: 06-29-2026
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Camp-One-day - One Day July 16 One Camper
Organization: Trifitness
Date of Race: 07-13-2026
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Trifitness Youth Triathlon and Duathlon Camp - week ...
Organization: Trifitness
Date of Race: 07-06-2026
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: 07-06-2026
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: 07-13-2026
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Trifitness Youth Triathlon and Duathlon Camp - week ...
Organization: Trifitness
Date of Race: 06-29-2026
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: 07-13-2026
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Camp-One-day - One Day July 13 One Camper
Organization: Trifitness
Date of Race: 07-13-2026
Description: The Trifitness Youth Triathlons Camp is sponsored by theTown of ...
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Complete list of running events in and near Port Jefferson, NY: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Port Jefferson
About Port Jefferson
Port Jefferson (NY) is a village in Suffolk County with an estimated population of 7,750.[4]
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Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
