Running races in or near Westfield, NJ
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Westfield, 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: 12-21-2025
Description: Tis the season to be running the Holiday ...
View Race Details View on Map
5K - Dec 20 - 9:30 AM - ...
Organization: Du City Tri Runs, Inc.
Date of Race: 12-20-2025
Description: Celebrate the holiday season in Thompson Park with either a 10K, ...
View Race Details View on Map
10K - 10K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 04-05-2026
Description: Run Course: Shore RoadPromenade Reference Address:6901 Shore ...
View Race Details View on Map
5K - 5K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 04-05-2026
Description: Run Course: Shore RoadPromenade Reference Address:6901 Shore ...
View Race Details View on Map
10K - Feb 08 - 10k
Organization: Du City Tri Runs, Inc.
Date of Race: 02-08-2026
Description: The JC Valentine's Half Marathon, 10K, 5K, 1 MILER ...
View Race Details View on Map
5K - Feb 08 - 5k
Organization: Du City Tri Runs, Inc.
Date of Race: 02-08-2026
Description: The JC Valentine's Half Marathon, 10K, 5K, 1 MILER ...
View Race Details View on Map
5K - 5K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 05-03-2026
Description: The seldom-seen Freedom Tunnel will echo with the sound of your ...
View Race Details View on Map
10K - 10k Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 05-10-2026
Description: Join us to celebrate everything great about motherhood by going the ...
View Race Details View on Map
Running-1 Mile - Individual Age group/open
Organization: Du City Tri Runs, Inc.
Date of Race: 02-08-2026
Description: The JC Valentine's Half Marathon, 10K, 5K, 1 MILER ...
View Race Details View on Map
10K - FEB 14 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 02-14-2026
Description: Run, race again for Valentine's ! Celebrate the beginning of the ...
View Race Details View on Map
5K - 5K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 05-10-2026
Description: Join us to celebrate everything great about motherhood by going the ...
View Race Details View on Map
Half - 13.1 Miler Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 05-10-2026
Description: Join us to celebrate everything great about motherhood by going the ...
View Race Details View on Map
The Holiday Half Marathon!
Organization: Trimara Inc.
Date of Race: 12-21-2025
Description: Tis the season to be running the Holiday ...
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: Trimara Inc.
Date of Race: 02-07-2026
Description: TheGo Hard or Go Home Half Marathonis ...
View Race Details View on Map
10K - Dec 20 - 9:30AM - Individual ...
Organization: Du City Tri Runs, Inc.
Date of Race: 12-20-2025
Description: Celebrate the holiday season in Thompson Park with either a 10K, ...
View Race Details View on Map
HALF - March 21 - 13.1 Miler Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 03-21-2026
Description: Location: Prospect Park, Brooklyn, NYC Reference Address:
View Race Details View on Map
5K - March 21 - 5K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 03-21-2026
Description: Location: Prospect Park, Brooklyn, NYC Reference Address:
View Race Details View on Map
10K - 10K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 05-03-2026
Description: The seldom-seen Freedom Tunnel will echo with the sound of your ...
View Race Details View on Map
Half - Feb 08 - 13.1 miles
Organization: Du City Tri Runs, Inc.
Date of Race: 02-08-2026
Description: The JC Valentine's Half Marathon, 10K, 5K, 1 MILER ...
View Race Details View on Map
HALF MARCH 15 - WEEQUAHIC PARK - Individual ...
Organization: Du City Tri Runs, Inc.
Date of Race: 03-15-2026
Description:
View Race Details View on Map
5K MARCH 15 - WEEQUAHIC PARK - Individual ...
Organization: Du City Tri Runs, Inc.
Date of Race: 03-15-2026
Description:
View Race Details View on Map
5K - FEB 14 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 02-14-2026
Description: Run, race again for Valentine's ! Celebrate the beginning of the ...
View Race Details View on Map
Brooklyn Mother's Day Half, 10K, 5K • 2026
Organization: Du City Tri Runs, Inc.
Date of Race: 05-10-2026
Description: Join us to celebrate everything great about motherhood by going the ...
View Race Details View on Map
1/2 Miler - Individual Age group/open
Organization: Du City Tri Runs, Inc.
Date of Race: 12-20-2025
Description: Celebrate the holiday season in Thompson Park with either a 10K, ...
View Race Details View on Map
50 Yard Dashers - Individual Age group/open
Organization: Du City Tri Runs, Inc.
Date of Race: 12-20-2025
Description: Celebrate the holiday season in Thompson Park with either a 10K, ...
View Race Details View on Map
Complete list of running events in and near Westfield, NJ: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Westfield
About Westfield
Westfield (NJ) is a town in Union County with an estimated population of 30,316.[4]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
In 2015, the 5K maintained the #1 position of all race distances with 7.6 million finishers (U.S.).
