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.
(Wednesday) Running Club
Organization: Churchill School & Center
Date of Race: 03-26-2025
Description: Relays, sprints, distance running and more! Explore a sport that will ...
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Running-Half marathon - Individual
Organization: Trimara Inc.
Date of Race: 10-04-2025
Description: With the famous ...
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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-Half marathon - Individual
Organization: Trimara Inc.
Date of Race: 10-04-2025
Description: With the famous ...
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Running-5K - Individual Age group/open
Organization: Rockaway Track Club / RockapulcoRun
Date of Race: 06-21-2025
Description: McCarthy Brothers Memorial Walk/Run (5K)Saturday, June 21st 2025Marine ParkFillmore Ave, Brooklyn, ...
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Running-1 Mile - Individual Age group/open
Organization: Rockaway Track Club / RockapulcoRun
Date of Race: 06-21-2025
Description: McCarthy Brothers Memorial Walk/Run (5K)Saturday, June 21st 2025Marine ParkFillmore Ave, Brooklyn, ...
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10K - Oct 5 - 10k
Organization: Du City Tri Runs, Inc.
Date of Race: 10-05-2025
Description: The JC Green Half Marathon, 10K, 5K ...
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5K - Oct 5 - 5k
Organization: Du City Tri Runs, Inc.
Date of Race: 10-05-2025
Description: The JC Green Half Marathon, 10K, 5K ...
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10K - May 24, 2025 - Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 05-24-2025
Description: Run Course: Fort Hamilton Base Reference Address:
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5K • April 6 • 2025 - 5K ...
Organization: Du City Tri Runs, Inc.
Date of Race: 04-06-2025
Description: Run Course: Shore RoadPromenade Reference Address:6901 Shore ...
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10K • April 6 • 2025 - 10K ...
Organization: Du City Tri Runs, Inc.
Date of Race: 04-06-2025
Description: Run Course: Shore RoadPromenade Reference Address:6901 Shore ...
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SATURDAY, AUGUST 23, 2025 -10K - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 08-23-2025
Description:
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SATURDAY, AUGUST 23, 2025 -5K - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 08-23-2025
Description:
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Half - Nov. 9 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 11-09-2025
Description: Location: Prospect Park, Brooklyn, NYC Reference Address:
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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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Dec. 14 - Half Marathon - US Resident ...
Organization: Du City Tri Runs, Inc.
Date of Race: 12-14-2025
Description: Join us to run "The Hamilton" on in Brooklyn, USA. This ...
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event announcements - Individual Age group/open
Organization: Princeton Athletic Club of Princeton, New Jersey, Inc.
Date of Race: 05-01-2025
Description: This registration adds you to the event promotions contact database. Event ...
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Half - Oct 5 - 13.1 miles
Organization: Du City Tri Runs, Inc.
Date of Race: 10-05-2025
Description: The JC Green Half Marathon, 10K, 5K ...
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5k - May 24, 2025 - Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 05-24-2025
Description: Run Course: Fort Hamilton Base Reference Address:
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Half Marathon - RESIDENT or US Citizen ...
Organization: Du City Tri Runs, Inc.
Date of Race: 08-30-2025
Description: Join us to run "The Hamilton" on Labor Day weekend in ...
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OCT 12 - 10K - Individual Age group/open
Organization: Du City Tri Runs, Inc.
Date of Race: 10-12-2025
Description: Please always check our website: http://www.citytri.com for updates. Welcome to ...
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OCT 12 - 5K - Individual Age group/open
Organization: Du City Tri Runs, Inc.
Date of Race: 10-12-2025
Description: Please always check our website: http://www.citytri.com for updates. Welcome to ...
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The Brooklyn Fall Half, 10k, 5k - 2025
Organization: Du City Tri Runs, Inc.
Date of Race: 11-09-2025
Description: Location: Prospect Park, Brooklyn, NYC Reference Address:
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2025 W-R Rec Track and Field
Organization: Wood Ridge Recreation
Date of Race: 03-31-2025
Description: W-R Recreation Track & Field program is for all boys & ...
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NYC Memorial Day Half Marathon, 10k, 5k
Organization: Du City Tri Runs, Inc.
Date of Race: 05-24-2025
Description: Run Course: Fort Hamilton Base Reference Address:
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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?
There were at least 768 marathons scheduled in the United States and Canada in 2016.
