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: 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: 09-21-2025
Description: The Race Guys decided that Prospect Park ...
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NOV 28 - HALF - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 11-28-2024
Description:
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Half Marathon - US Resident or Citizen: Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 12-15-2024
Description: Join us to run The Hamilton on in Brooklyn, USA. This ...
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Half Marathon - International Participant: Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 12-15-2024
Description: Join us to run The Hamilton on in Brooklyn, USA. This ...
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5K - US Resident or Citizen: Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 12-15-2024
Description: Join us to run The Hamilton on in Brooklyn, USA. This ...
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5K - May 11 - 5k
Organization: Du City Tri Runs, Inc.
Date of Race: 05-11-2025
Description: Join us to celebrate everything great about motherhood by going the ...
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10K - Dec 7 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 12-07-2024
Description: Start your December with a run over the seldom-seen Freedom ...
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SUNDAY, MARCH 23, 2025 -5K - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 03-23-2025
Description: ...
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5K • May 4 • 2025 - Individual ...
Organization: Du City Tri Runs, Inc.
Date of Race: 05-04-2025
Description: The seldom-seen Freedom Tunnel will echo with the sound of your ...
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5K - May 18, 2025 - 5K
Organization: Du City Tri Runs, Inc.
Date of Race: 05-18-2025
Description: We are proud and excited to hold the 4th ...
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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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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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10K - US Resident or Citizen: Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 12-15-2024
Description: Join us to run The Hamilton on in Brooklyn, USA. This ...
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10K - May 11 - 10k
Organization: Du City Tri Runs, Inc.
Date of Race: 05-11-2025
Description: Join us to celebrate everything great about motherhood by going the ...
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HALF • March 15, 2025 - 13.1 Miler ...
Organization: Du City Tri Runs, Inc.
Date of Race: 03-15-2025
Description: Location: Prospect Park, Brooklyn, NYC Reference ...
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5K • March 15, 2025 - 5K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 03-15-2025
Description: Location: Prospect Park, Brooklyn, NYC Reference ...
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10K • April 6 • 2024 - 10K ...
Organization: Du City Tri Runs, Inc.
Date of Race: 04-06-2025
Description: Run Course: Shore RoadPromenade Reference Address:
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Half - May 18, 2025 - Half
Organization: Du City Tri Runs, Inc.
Date of Race: 05-18-2025
Description: We are proud and excited to hold the 4th ...
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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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5K - International Participant: Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 12-15-2024
Description: Join us to run The Hamilton on in Brooklyn, USA. This ...
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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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10K • March 15, 2025 - 10K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 03-15-2025
Description: Location: Prospect Park, Brooklyn, NYC Reference ...
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5K • April 6 • 2024 - 5K ...
Organization: Du City Tri Runs, Inc.
Date of Race: 04-06-2025
Description: Run Course: Shore RoadPromenade Reference Address:
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SUNDAY, MARCH 23, 2025 - HALF - Individual ...
Organization: Du City Tri Runs, Inc.
Date of Race: 03-23-2025
Description: ...
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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?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
