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: 12-09-2023
Description: Tis the season to be running the Holiday Half ...
View Race Details View on Map
Running-Half marathon - Individual
Organization: Trimara Inc.
Date of Race: 10-05-2024
Description: With the famous ...
View Race Details View on Map
Running-10K - Individual Age group
Organization: Trimara Inc.
Date of Race: 06-22-2024
Description: The ultimate Brooklyn Beer run is back! Runners take ...
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: Trimara Inc.
Date of Race: 09-15-2024
Description: The Race Guys decided that Prospect Park was deserving ...
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: Trimara Inc.
Date of Race: 03-23-2024
Description: TheGo Hard or Go Home Half Marathonis a annual ...
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: Trimara Inc.
Date of Race: 03-23-2024
Description: TheGo Hard or Go Home Half Marathonis a annual ...
View Race Details View on Map
5K • March 16, 2024 - 5K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 03-16-2024
Description: Location: Prospect Park, Brooklyn, NYC
View Race Details View on Map
10K - May 12 - 10k
Organization: Du City Tri Runs, Inc.
Date of Race: 05-12-2024
Description: Join us to celebrate everything great about motherhood by ...
View Race Details View on Map
10K - May 19 - 10K
Organization: Du City Tri Runs, Inc.
Date of Race: 05-19-2024
Description: We are proud and excited to hold the 4th ...
View Race Details View on Map
MARCH 24-10K - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 03-24-2024
Description: Join us ...
View Race Details View on Map
MARCH 24 - HALF - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 03-24-2024
Description: Join us ...
View Race Details View on Map
Half - Feb 11 - 13.1 miles
Organization: Du City Tri Runs, Inc.
Date of Race: 02-11-2024
Description: The JC Valentine's Half Marathon, 10K, 5K ...
View Race Details View on Map
10K • March 16, 2024 - 10K Individual
Organization: Du City Tri Runs, Inc.
Date of Race: 03-16-2024
Description: Location: Prospect Park, Brooklyn, NYC
View Race Details View on Map
Less Popular Brooklyn Half Marathon - Individual Age ...
Organization: Trimara Inc.
Date of Race: 05-04-2024
Description: We know there are a lot of other more "Popular" Half ...
View Race Details View on Map
5K - Dec 2 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 12-02-2023
Description: Start your December with a run over the seldom-seen Freedom ...
View Race Details View on Map
10K - Dec 2 - Individual registration
Organization: Du City Tri Runs, Inc.
Date of Race: 12-02-2023
Description: Start your December with a run over the seldom-seen Freedom ...
View Race Details View on Map
Brooklyn Spring Half • 10k • 5k | ...
Organization: Du City Tri Runs, Inc.
Date of Race: 03-16-2024
Description: Location: Prospect Park, Brooklyn, NYC
View Race Details View on Map
The Prospect Park Half Marathon!
Organization: Trimara Inc.
Date of Race: 09-15-2024
Description: The Race Guys decided that Prospect Park was deserving ...
View Race Details View on Map
Less Popular Brooklyn Half Marathon - Individual Age ...
Organization: Trimara Inc.
Date of Race: 05-04-2024
Description: We know there are a lot of other more "Popular" Half ...
View Race Details View on Map
Half - May 19 - Half
Organization: Du City Tri Runs, Inc.
Date of Race: 05-19-2024
Description: We are proud and excited to hold the 4th ...
View Race Details View on Map
5K - May 19 - 5K
Organization: Du City Tri Runs, Inc.
Date of Race: 05-19-2024
Description: We are proud and excited to hold the 4th ...
View Race Details View on Map
10K - Feb 11 - 10k
Organization: Du City Tri Runs, Inc.
Date of Race: 02-11-2024
Description: The JC Valentine's Half Marathon, 10K, 5K ...
View Race Details View on Map
5K - May 12 - 5k
Organization: Du City Tri Runs, Inc.
Date of Race: 05-12-2024
Description: Join us to celebrate everything great about motherhood by ...
View Race Details View on Map
Half - May 12 - 13.1 Miler
Organization: Du City Tri Runs, Inc.
Date of Race: 05-12-2024
Description: Join us to celebrate everything great about motherhood by ...
View Race Details View on Map
The JC Valentine's Half, 10K, 5K
Organization: Du City Tri Runs, Inc.
Date of Race: 02-11-2024
Description: The JC Valentine's Half Marathon, 10K, 5K ...
View Race Details View on Map
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]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
Historically, more marathons are run in the month of October than any other month (in the U.S.).