Running Races in Marlborough, MA

Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more

See below for a frequently-updated, comprehensive list of upcoming running events in the local Marlborough, MA 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-10K - Individual

Organization: Westford Charitable Foundation, Inc.

Date of Race: 05-05-2019

Description: The Westford 5K is a fast, USATF-certified clockwise loop course that ...

Running-5K - Individual

Organization: Westford Charitable Foundation, Inc.

Date of Race: 05-05-2019

Description: The Westford 5K is a fast, USATF-certified clockwise loop course that ...

Running-5K - Individual Age group/open

Organization: Foundation Management and Pro Productions

Date of Race: 12-08-2018

Description: Layer up and hit the road! The Greg Hill Foundation ...

Running-5K - Individual Age group/open

Organization: Greater Lowell Family YMCA

Date of Race: 04-13-2019

Description: Join us for the 4th annual 5k River Run that ...

Running-5K - Individual Age group/open

Organization: Ayer Police Association

Date of Race: 03-17-2019

Description: This is a great beginner and fun run for families and ...

Running-5K - Individual Age group/open

Organization: Michael Gilio

Date of Race: 05-25-2019

Description: 9am start time.Event details and schedule

Running-5K - Individual Age group/open

Organization: North Medford Running Club

Date of Race: 03-17-2019

Description: Welcome to the 6th Annual Shamrocks On the Rocks!! ...

Running-Pre-purchased Registration - Pre-purchased Registration

Organization: Cool Events LLC

Date of Race: 08-17-2019

Description: Our races are based around a 5k structure, so you can ...

Running-5K - Group-registration team Age group/open

Organization: Greater Lowell Family YMCA

Date of Race: 04-13-2019

Description: Join us for the 4th annual 5k River Run that ...

Running-5K - Group-registration team Age group/open

Organization: Foundation Management and Pro Productions

Date of Race: 12-08-2018

Description: Layer up and hit the road! The Greg Hill Foundation ...

Running-3 Miles - Runner / Walker

Organization: Tri-Valley Front Runners

Date of Race: 10-19-2019

Description: ** You Must Be 21 yrs old or above ...

Running-5K - Individual Age group/open

Organization: Tri-Valley Front Runners

Date of Race: 07-27-2019

Description: Race information will be posted in May 2019. This is ...

Running-10K - 19 Years Old & Under

Organization: Tri-Valley Front Runners

Date of Race: 09-28-2019

Description:

Running-10K - 20 Years Old & Above

Organization: Tri-Valley Front Runners

Date of Race: 09-28-2019

Description:

Running-15K - Individual Age group/open

Organization: Tri-Valley Front Runners

Date of Race: 03-30-2019

Description: REGISTRATION ...

Running 5K - Individual Age group/open Run / ...

Organization: Friends of Historic Hopedale

Date of Race: 10-26-2019

Description: 5th Annual Hopedale Spooktacular 5K ...

Running-5K - Race Ambassador - Individual Age group/open

Organization: Tri-Valley Front Runners

Date of Race: 10-05-2019

Description: 5K RUN TO REMEMBER Course: 5K ...