Running races in or near South River, 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 River, 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: 10-03-2026
Description: With the famous ...
View Race Details View on Map
Running-Half marathon - Individual
Organization: Trimara Inc.
Date of Race: 12-20-2026
Description: Tis the season to be running the Holiday ...
View Race Details View on Map
Running-Half marathon - Individual
Organization: Trimara Inc.
Date of Race: 10-03-2026
Description: With the famous ...
View Race Details View on Map
Running-Half marathon - Individual
Organization: Trimara Inc.
Date of Race: 10-03-2026
Description: With the famous ...
View Race Details View on Map
Half - Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 04-12-2026
Description: Come and celebrate the arrival of Spring running through the beautiful ...
View Race Details View on Map
HALF - 13.1 Miler Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 06-21-2026
Description: This course takes you through the natural beauty of ...
View Race Details View on Map
VIRTUAL ONLY - HALF - Individual Age group/open
Organization: Du City Tri Runs, Inc.
Date of Race: 06-21-2026
Description: This course takes you through the natural beauty of ...
View Race Details View on Map
HALF MARATHON -May 31 - US Resident or ...
Organization: Du City Tri Runs, Inc.
Date of Race: 05-31-2026
Description: Run Course: Fort Hamilton Base or Virtual Course Reference ...
View Race Details View on Map
HALF MARATHON -May 31 - INTERNATIONAL -May 31
Organization: Du City Tri Runs, Inc.
Date of Race: 05-31-2026
Description: Run Course: Fort Hamilton Base or Virtual Course Reference ...
View Race Details View on Map
The Brooklynite Fall 10K & 5K
Organization: Du City Tri Runs, Inc.
Date of Race: 10-11-2026
Description: Please always check our website: http://www.citytri.com for updates. Welcome to ...
View Race Details View on Map
The Bay Ridge Half Marathon!
Organization: Trimara Inc.
Date of Race: 10-03-2026
Description: With the famous ...
View Race Details View on Map
The New Jersey Spring Half, 10k, 5k at ...
Organization: Du City Tri Runs, Inc.
Date of Race: 04-12-2026
Description: Come and celebrate the arrival of Spring running through the beautiful ...
View Race Details View on Map
The LESS Popular Staten Island Half Marathon!
Organization: Trimara Inc.
Date of Race: 03-28-2026
Description: The Staten Island 13.1 will be a 2 ...
View Race Details View on Map
Memorial Day Half Marathon, 10k, 5k
Organization: Du City Tri Runs, Inc.
Date of Race: 05-31-2026
Description: Run Course: Fort Hamilton Base or Virtual Course Reference ...
View Race Details View on Map
The Holiday Half Marathon!
Organization: Trimara Inc.
Date of Race: 12-20-2026
Description: Tis the season to be running the Holiday ...
View Race Details View on Map
The NJ Endurance Classic Half Marathon, 10k, 5k
Organization: Du City Tri Runs, Inc.
Date of Race: 06-21-2026
Description: This course takes you through the natural beauty of ...
View Race Details View on Map
10K - Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 04-12-2026
Description: Come and celebrate the arrival of Spring running through the beautiful ...
View Race Details View on Map
Less Popular Brooklyn Half Marathon - Individual Age ...
Organization: Trimara Inc.
Date of Race: 05-02-2026
Description: We know there are a lot of other more "Popular" Half ...
View Race Details View on Map
10K - Aug 23 - Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 08-23-2026
Description: To race on a ...
View Race Details View on Map
5K - Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 04-12-2026
Description: Come and celebrate the arrival of Spring running through the beautiful ...
View Race Details View on Map
10K - 10K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 06-21-2026
Description: This course takes you through the natural beauty of ...
View Race Details View on Map
5K - 5K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 06-21-2026
Description: This course takes you through the natural beauty of ...
View Race Details View on Map
OCT 11 - 10K - Individual Age group/open
Organization: Du City Tri Runs, Inc.
Date of Race: 10-11-2026
Description: Please always check our website: http://www.citytri.com for updates. Welcome to ...
View Race Details View on Map
10K-May 31 - US Resident or Citizen-May 31
Organization: Du City Tri Runs, Inc.
Date of Race: 05-31-2026
Description: Run Course: Fort Hamilton Base or Virtual Course Reference ...
View Race Details View on Map
10K-May 31 - INTERNATIONAL Participant: Individual - MAY ...
Organization: Du City Tri Runs, Inc.
Date of Race: 05-31-2026
Description: Run Course: Fort Hamilton Base or Virtual Course Reference ...
View Race Details View on Map
Complete list of running events in and near South River, NJ: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about South River
About South River
South River (NJ) is a borough in Middlesex County with an estimated population of 16,008.[4]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
There were at least 768 marathons scheduled in the United States and Canada in 2016.
