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Races in Mountainside, NJ

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.

Road Runner Sports

Running-Half marathon - Individual

Organization: Trimara Inc.

Date of Race: 12-11-2022

Description: Tis the season to be running the Brooklyn Holiday ...

Running-10K-May16 - 10k

Organization: Du City Tri Runs, Inc.

Date of Race: 05-21-2023

Description: We are proud and excited to hold the inaugural ...

Running-5K-May 16 - 5k

Organization: Du City Tri Runs, Inc.

Date of Race: 05-21-2023

Description: We are proud and excited to hold the inaugural ...

Running-5K - Individual Age group/open

Organization: New York City Runs, Inc.

Date of Race: 12-03-2022

Description: THE RACE Join us in Prospect Park for a sweet 5K ...

Running-10K - Individual Age group/open

Organization: New York City Runs, Inc.

Date of Race: 12-03-2022

Description: THE RACE Join us in Prospect Park for a sweet 5K ...

Running-5K - Individual Age group/open

Organization: New York City Runs, Inc.

Date of Race: 12-11-2022

Description: THE RACE Were saving the best for last. We reserve this ...

Running-Half marathon - Individual Age group/open

Organization: New York City Runs, Inc.

Date of Race: 12-11-2022

Description: THE RACE Were saving the best for last. We reserve this ...

Running-Half marathon - Individual Age group/open

Organization: Trimara Inc.

Date of Race: 03-26-2023

Description: TheGo Hard or Go Home Half Marathonis a annual ...

Running-Half marathon - Individual Age group/open

Organization: Trimara Inc.

Date of Race: 03-26-2023

Description: TheGo Hard or Go Home Half Marathonis a annual ...

Running and Walking-10K - Individual Age group/open

Organization: Virtual Run Events

Date of Race: 01-01-2023

Description: How far will your feet take you in 2023? For the ...

Running and Walking -5K - Individual Age group/open

Organization: Virtual Run Events

Date of Race: 01-01-2023

Description: How far will your feet take you in 2023? For the ...

Running and Walking -Marathon - Individual Age group/open

Organization: Virtual Run Events

Date of Race: 01-01-2023

Description: How far will your feet take you in 2023? For the ...

Running and Walking-10K - Individual Age group/open

Organization: Virtual Run Events

Date of Race: 01-01-2023

Description: How far will your feet take you in 2023? For the ...

Running and Walking -5K - Individual Age group/open

Organization: Virtual Run Events

Date of Race: 01-01-2023

Description: How far will your feet take you in 2023? For the ...

Running and Walking -Marathon - Individual Age group/open

Organization: Virtual Run Events

Date of Race: 01-01-2023

Description: How far will your feet take you in 2023? For the ...

NYC SPRING HALF MARATHON-2022 - Half Marathon 2023

Organization: Du City Tri Runs, Inc.

Date of Race: 05-07-2023

Description: The seldom-seen Freedom Tunnel will echo with the sound of ...

5K - 5K

Organization: Du City Tri Runs, Inc.

Date of Race: 06-04-2023

Description: The Brooklyn Beach Half Marathon, 10K, and 5K Races. Bring it! ...

10K - 10K

Organization: Du City Tri Runs, Inc.

Date of Race: 06-04-2023

Description: The Brooklyn Beach Half Marathon, 10K, and 5K Races. Bring it! ...

Half-Marathon Registration - Half-Marathon Registration

Organization: For Glo LLC

Date of Race: 12-31-2022

Description: Overview: Run will sell-out QUICK! ...

10K Registration - 10K Registration

Organization: For Glo LLC

Date of Race: 01-28-2023

Description: Overview: Run will sell-out QUICK! ...

10K Registration - 10K Registration

Organization: For Glo LLC

Date of Race: 01-28-2023

Description: Overview: Run will sell-out QUICK! ...

5K Registration - 5K Registration

Organization: For Glo LLC

Date of Race: 03-25-2023

Description: Overview: Run will sell-out QUICK! ...

10K - Dec 3 - 10K

Organization: Du City Tri Runs, Inc.

Date of Race: 12-03-2022

Description: Start your December with a run over the seldom-seen Freedom ...

5K Dec 3 - 5K

Organization: Du City Tri Runs, Inc.

Date of Race: 12-03-2022

Description: Start your December with a run over the seldom-seen Freedom ...

Half-March 18 - 13.1 Miler

Organization: Du City Tri Runs, Inc.

Date of Race: 03-18-2023

Description: Location: Prospect Park, Brooklyn, NYC

Road Runner Sports

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]

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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.

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