Running races in or near Closter, NJ
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Closter, NJ 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-Half marathon - Individual
Organization: Trimara Inc.
Date of Race: 12-13-2025
Description: Tis the season to be running the Holiday ...
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Running-1 Mile - Individual Age group/open
Organization: Du City Tri Runs, Inc.
Date of Race: 02-08-2026
Description: The JC Valentine's Half Marathon, 10K, 5K, 1 MILER ...
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10K - Feb 08 - 10k
Organization: Du City Tri Runs, Inc.
Date of Race: 02-08-2026
Description: The JC Valentine's Half Marathon, 10K, 5K, 1 MILER ...
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5K - Feb 08 - 5k
Organization: Du City Tri Runs, Inc.
Date of Race: 02-08-2026
Description: The JC Valentine's Half Marathon, 10K, 5K, 1 MILER ...
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5K - Dec 6 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 12-06-2025
Description: The seldom-seen Freedom Tunnel will echo with the sound of your ...
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10K - March 21 - 10K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 03-21-2026
Description: Location: Prospect Park, Brooklyn, NYC Reference Address:
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The Holiday Half Marathon!
Organization: Trimara Inc.
Date of Race: 12-13-2025
Description: Tis the season to be running the Holiday ...
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Running-Half marathon - Individual Age group/open
Organization: Trimara Inc.
Date of Race: 02-07-2026
Description: TheGo Hard or Go Home Half Marathonis ...
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Half - Feb 08 - 13.1 miles
Organization: Du City Tri Runs, Inc.
Date of Race: 02-08-2026
Description: The JC Valentine's Half Marathon, 10K, 5K, 1 MILER ...
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HALF - March 21 - 13.1 Miler Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 03-21-2026
Description: Location: Prospect Park, Brooklyn, NYC Reference Address:
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5K - March 21 - 5K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 03-21-2026
Description: Location: Prospect Park, Brooklyn, NYC Reference Address:
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10K - FEB 14 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 02-14-2026
Description: Run, race again for Valentine's ! Celebrate the beginning of the ...
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The Manhattanite 10k, 5k 2025
Organization: Du City Tri Runs, Inc.
Date of Race: 12-06-2025
Description: The seldom-seen Freedom Tunnel will echo with the sound of your ...
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The Thankful 131! A Half Marathon Event!
Organization: Trimara Inc.
Date of Race: 11-16-2025
Description: The Race Guys decided that Prospect Park ...
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10K - Dec 6 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 12-06-2025
Description: The seldom-seen Freedom Tunnel will echo with the sound of your ...
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5K - FEB 14 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 02-14-2026
Description: Run, race again for Valentine's ! Celebrate the beginning of the ...
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The 2026 Go Hard or Go Home Half ...
Organization: Trimara Inc.
Date of Race: 02-07-2026
Description: TheGo Hard or Go Home Half Marathonis ...
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Brooklyn Spring Half, 10K, 5K 2026
Organization: Du City Tri Runs, Inc.
Date of Race: 03-21-2026
Description: Location: Prospect Park, Brooklyn, NYC Reference Address:
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Valentine 5K & 10K @ Bay Ridge
Organization: Du City Tri Runs, Inc.
Date of Race: 02-14-2026
Description: Run, race again for Valentine's ! Celebrate the beginning of the ...
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Queens NYC Chiller Half Marathon, 10K, 5K
Organization: Du City Tri Runs, Inc.
Date of Race: 12-28-2025
Description:
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The JC Valentine Half Marathon, 10K, 5K
Organization: Du City Tri Runs, Inc.
Date of Race: 02-08-2026
Description: The JC Valentine's Half Marathon, 10K, 5K, 1 MILER ...
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Saturday - TBD 2025 - Spectator & Mudder ...
Organization: Tough Mudder US
Date of Race: 12-30-2025
Description: Tough Mudder is more than just an obstacle course. Built on ...
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Complete list of running events in and near Closter, NJ: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Closter
About Closter
Closter (NJ) is a borough in Bergen County with an estimated population of 8,373.[4]
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Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
