Running races in or near South Plainfield, NJ
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local South Plainfield, 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-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: 10-04-2025
Description: With the famous ...
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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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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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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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Half - April 13 - Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 04-13-2025
Description: Come and celebrate the arrival of Spring running through the beautiful ...
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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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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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The Bay Ridge Half Marathon!
Organization: Trimara Inc.
Date of Race: 10-04-2025
Description: With the famous ...
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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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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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10K - July 13, 2025 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 07-13-2025
Description: ...
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Runners - visit woods6k.com - Runners - visit ...
Organization: Princeton Athletic Club of Princeton, New Jersey, Inc.
Date of Race: 04-05-2025
Description: Come out for a 6K Run through the beautiful Institute Woods.
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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 - April 13 - Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 04-13-2025
Description: Come and celebrate the arrival of Spring running through the beautiful ...
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5K - April 13 - Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 04-13-2025
Description: Come and celebrate the arrival of Spring running through the beautiful ...
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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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5K - Aug 17 - 5K
Organization: Du City Tri Runs, Inc.
Date of Race: 08-17-2025
Description: We are proud and excited to hold the First ...
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HALF - June 1, 2025 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 06-01-2025
Description: The Brooklyn Beach Half Marathon, 10K, and 5K Races. Bring it! ...
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5K - June 1, 2025 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 06-01-2025
Description: The Brooklyn Beach Half Marathon, 10K, and 5K Races. Bring it! ...
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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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Complete list of running events in and near South Plainfield, NJ: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about South Plainfield
About South Plainfield
South Plainfield (NJ) is a borough in Middlesex County with an estimated population of 23,385.[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.).
