Running Races in 01581 (Westborough, MA)
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more in or near 01581
See below for a frequently-updated, comprehensive list of upcoming running events in the local Westborough, 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-5K - Individual Age group/open
Organization: The Next Loop Endurance Series
Date of Race: 04-11-2026
Description: What Is The Next Loop? TheNext Loop Endurance Seriesis a loop-based ...
View Race Details View on Map
Running-50K - Individual Age group/open
Organization: The Next Loop Endurance Series
Date of Race: 04-11-2026
Description: What Is The Next Loop? TheNext Loop Endurance Seriesis a loop-based ...
View Race Details View on Map
Running-15K - Individual Age group/open
Organization: The Next Loop Endurance Series
Date of Race: 04-11-2026
Description: What Is The Next Loop? TheNext Loop Endurance Seriesis a loop-based ...
View Race Details View on Map
Running-Marathon - Individual Age group/open
Organization: The Next Loop Endurance Series
Date of Race: 04-11-2026
Description: What Is The Next Loop? TheNext Loop Endurance Seriesis a loop-based ...
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: The Next Loop Endurance Series
Date of Race: 04-11-2026
Description: What Is The Next Loop? TheNext Loop Endurance Seriesis a loop-based ...
View Race Details View on Map
Running-5K - 19 Years Old and Under
Organization: Tri-Valley Front Runners
Date of Race: 05-31-2026
Description: 2026 Westborough Rotary’s5KRun and ...
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: The Next Loop Endurance Series
Date of Race: 04-11-2026
Description: What Is The Next Loop? TheNext Loop Endurance Seriesis a loop-based ...
View Race Details View on Map
Running-5K - 20 Years Old and Above
Organization: Tri-Valley Front Runners
Date of Race: 05-31-2026
Description: 2026 Westborough Rotary’s5KRun and ...
View Race Details View on Map
Rotary Club of Westborough 5K
Organization: Tri-Valley Front Runners
Date of Race: 05-31-2026
Description: 2026 Westborough Rotary’s5KRun and ...
View Race Details View on Map
Running-Kid's Dash - 1 Kid (Age 12 and ...
Organization: Tri-Valley Front Runners
Date of Race: 05-31-2026
Description: 2026 Westborough Rotary’s5KRun and ...
View Race Details View on Map
Running-5K - 20 Yrs Old and Above plus ...
Organization: Tri-Valley Front Runners
Date of Race: 05-31-2026
Description: 2026 Westborough Rotary’s5KRun and ...
View Race Details View on Map
16th Annual Hopedale Blue Raider 5K Run
Organization: Tri-Valley Front Runners
Date of Race: 05-09-2026
Description: Course Details: Consists of long ...
View Race Details View on Map
The Next Loop Endurance Series - New England
Organization: The Next Loop Endurance Series
Date of Race: 04-11-2026
Description: What Is The Next Loop? TheNext Loop Endurance Seriesis a loop-based ...
View Race Details View on Map
Running-5K - 20 Yrs Old and Above plus ...
Organization: Tri-Valley Front Runners
Date of Race: 05-31-2026
Description: 2026 Westborough Rotary’s5KRun and ...
View Race Details View on Map
Running-5K (22 years old and above) - Individual ...
Organization: Tri-Valley Front Runners
Date of Race: 05-09-2026
Description: Course Details: Consists of long ...
View Race Details View on Map
Running-5K (21 years old and under) - 21 ...
Organization: Tri-Valley Front Runners
Date of Race: 05-09-2026
Description: Course Details: Consists of long ...
View Race Details View on Map
Running-Kid's Dash - 2 or more Kids (Age ...
Organization: Tri-Valley Front Runners
Date of Race: 05-31-2026
Description: 2026 Westborough Rotary’s5KRun and ...
View Race Details View on Map
Muddy Dash | Boston 2026
Organization: Viral Run
Date of Race: 08-01-2026
Description: Muddy Dash is not your average mud run! Get ready for ...
View Race Details View on Map
Muddy Dash - VALUE REGISTRATION - R̶e̶g̶u̶l̶a̶r̶ ...
Organization: Viral Run
Date of Race: 08-01-2026
Description: Muddy Dash is not your average mud run! Get ready for ...
View Race Details View on Map
Muddy Dash - Exclusive VIP Registration - ...
Organization: Viral Run
Date of Race: 08-01-2026
Description: Muddy Dash is not your average mud run! Get ready for ...
View Race Details View on Map
BSS Spring 2026 After School Program
Organization: Coach Mike's Mobile Sports
Date of Race: 04-30-2026
Description: Coach Mike will be running an after school sports program at ...
View Race Details View on Map
OPR School After School Program
Organization: Coach Mike's Mobile Sports
Date of Race: 04-13-2026
Description: Coach Mike will be running an after school sports program at ...
View Race Details View on Map
Weds: In Your Hands
Organization: The Munroe Center for the Arts
Date of Race: 04-08-2026
Description: If making art is something you love to do, join this ...
View Race Details View on Map
Fri: In Your Hands
Organization: The Munroe Center for the Arts
Date of Race: 04-10-2026
Description: If making art is something you love to do, join this ...
View Race Details View on Map
St Catherine's Spring Session
Organization: Coach Mike's Mobile Sports
Date of Race: 04-07-2026
Description: Coach Mike will be running an after school sports program at ...
View Race Details View on Map
Complete list of running events in and near Westborough, MA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about 01581
About Westborough
The ZIP Code 01581 is associated with the city of Westborough in Worcester County in the state of Massachusetts.
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
