Running races in or near Middlesex, NJ
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Middlesex, 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: 10-04-2025
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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The Brooklynite Fall 10K & 5K
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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5K - RESIDENT or US CITIZEN - Individual
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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SATURDAY, AUGUST 23, 2025 - HALF - Individual ...
Organization: Du City Tri Runs, Inc.
Date of Race: 08-23-2025
Description:
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DEC 14 - 5K - US Resident or ...
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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HALF - 13.1 Miler Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 06-28-2025
Description: Location: Duke Island Park, Bridgewater, N.J. Reference ...
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Overnight Camper Fee
Organization: Princeton University Sports Camps
Date of Race: 06-29-2025
Description: Location: Duke Island Park, Bridgewater, N.J. Reference ...
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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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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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NYC Labor Day Half, 10k, 5k
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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Half - 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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10K - RESIDENT or US CITIZEN - Individual
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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5K - 5K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 06-28-2025
Description: Location: Duke Island Park, Bridgewater, N.J. Reference ...
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Track & Field Overnight Camp
Organization: Princeton University Sports Camps
Date of Race: 06-29-2025
Description: For day campers the fee includes instruction, meals (lunch daily) and ...
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Complete list of running events in and near Middlesex, NJ: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Middlesex
About Middlesex
Middlesex (NJ) is a borough in Middlesex County with an estimated population of 13,635.[4]
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Did you know?
In 2014, 57% of marathon finishers in the U.S. were men; women made up 43% of finishers.
