Running races in or near Mountainside, NJ
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Mountainside, 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: 10-05-2024
Description: With the famous ...
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Competitive Running
Organization: BASIS Independent Manhattan
Date of Race: 09-16-2024
Description: Step into the fast lane with the Competitive Running Club in ...
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Running-5K - Adults
Organization: Lt. Dennis W. Zilinski, II Memorial Fund
Date of Race: 11-03-2024
Description: The 18th Annual Run With Dennis event is at the hills ...
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Running-Half marathon - Individual Age group/open
Organization: Trimara Inc.
Date of Race: 09-15-2024
Description: The Race Guys decided that Prospect Park was deserving ...
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The Prospect Park Half Marathon!
Organization: Trimara Inc.
Date of Race: 09-15-2024
Description: The Race Guys decided that Prospect Park was deserving ...
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Running-5K - Youth
Organization: Keansburg High School
Date of Race: 11-16-2024
Description: The Titan 5k is a run/walk sponsored by the students and ...
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The Tavern Cup 13.1!
Organization: Trimara Inc.
Date of Race: 11-16-2024
Description: The ultimate Brooklyn Beer run is back! Runners take ...
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The Bay Ridge Half Marathon!
Organization: Trimara Inc.
Date of Race: 10-05-2024
Description: With the famous ...
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Running-Half marathon - Individual
Organization: Trimara Inc.
Date of Race: 12-14-2024
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: 03-22-2025
Description: TheGo Hard or Go Home Half Marathonis a annual ...
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OCT 13 - 10K - Individual Age group/open
Organization: Du City Tri Runs, Inc.
Date of Race: 10-13-2024
Description: Please always check our website: http://www.citytri.com for updates. Welcome to ...
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Running-4K - Individual Age group/open
Organization: Concrete Safaris
Date of Race: 11-23-2024
Description: The 2024 Hustle Strive 5K is a scenic Walk/Run ...
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OCT 27-5K - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 10-27-2024
Description: Join us ...
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Half - Feb 09 - 13.1 miles
Organization: Du City Tri Runs, Inc.
Date of Race: 02-09-2025
Description: The JC Valentine's Half Marathon, 10K, 5K ...
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Less Popular Brooklyn Half Marathon - Individual Age ...
Organization: Trimara Inc.
Date of Race: 05-03-2025
Description: We know there are a lot of other more "Popular" Half ...
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Running-4K - Non-participating team captain
Organization: Concrete Safaris
Date of Race: 11-23-2024
Description: The 2024 Hustle Strive 5K is a scenic Walk/Run ...
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NOV 28 - 5K - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 11-28-2024
Description:
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Request awards to be mailed - Age Group ...
Organization: Du City Tri Runs, Inc.
Date of Race: 01-31-2025
Description: Place your request for your award to be mailed. You have ...
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Request awards to be mailed - overall award ...
Organization: Du City Tri Runs, Inc.
Date of Race: 01-31-2025
Description: Place your request for your award to be mailed. You have ...
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10K - Nov. 10 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 11-10-2024
Description: Location: Prospect Park, Brooklyn, NYC
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10K - Feb 09 - 10k
Organization: Du City Tri Runs, Inc.
Date of Race: 02-09-2025
Description: The JC Valentine's Half Marathon, 10K, 5K ...
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5K - Feb 09 - 5k
Organization: Du City Tri Runs, Inc.
Date of Race: 02-09-2025
Description: The JC Valentine's Half Marathon, 10K, 5K ...
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5K - Oct 6 - 5k
Organization: Du City Tri Runs, Inc.
Date of Race: 10-06-2024
Description: The JC Green Half Marathon, 10K, 5K ...
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OCT 13 - 5K - Individual Age group/open
Organization: Du City Tri Runs, Inc.
Date of Race: 10-13-2024
Description: Please always check our website: http://www.citytri.com for updates. Welcome to ...
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Complete list of running events in and near Mountainside, NJ: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Mountainside
About Mountainside
Mountainside (NJ) is a borough in Union County with an estimated population of 6,685.[4]
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Did you know?
Historically, more marathons are run in the month of October than any other month (in the U.S.).
