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.