Running races in or near Waltham, MA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Waltham, 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-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-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-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
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 - 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-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
Ninja Warrior Training - Fridays at 3:00
Organization: Hill House
Date of Race: 03-13-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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
Ninja Warrior Training - Fridays at 3:00
Organization: Hill House
Date of Race: 03-13-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
View Race Details View on Map
Girls Run Club - Tuesdays at 5:00
Organization: Hill House
Date of Race: 03-31-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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
Ninja Warrior Training - Fridays at 3:00
Organization: Hill House
Date of Race: 03-13-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
View Race Details View on Map
Girls Run Club - Tuesdays at 5:00
Organization: Hill House
Date of Race: 03-31-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
View Race Details View on Map
Girls Run Club - Tuesdays at 5:00
Organization: Hill House
Date of Race: 03-31-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
View Race Details View on Map
Price
Organization: Weymouth Youth Track Club
Date of Race: 06-23-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
View Race Details View on Map
WYTC Summer 2026 Youth
Organization: Weymouth Youth Track Club
Date of Race: 06-23-2026
Description: *T-Shirts not guaranteed if registered after 6/19/26* Program caps at 245 ...
View Race Details View on Map
St Catherine's Winter Session Two
Organization: Coach Mike's Mobile Sports
Date of Race: 02-24-2026
Description: Coach Mike will be running an after school sports program at ...
View Race Details View on Map
BSS Winter 2026 (K, 1 & 2) After ...
Organization: Coach Mike's Mobile Sports
Date of Race: 02-26-2026
Description: Coach Mike will be running an after school sports program at ...
View Race Details View on Map
Baseball Clinic
Organization: Coach Mike's Mobile Sports
Date of Race: 03-18-2026
Description: Coach Mike will be coaching a Baseball for Beginners clinic at ...
View Race Details View on Map
OPR School After School Program
Organization: Coach Mike's Mobile Sports
Date of Race: 02-02-2026
Description: Coach Mike will be running an after school sports program at ...
View Race Details View on Map
318-26 Checking Clinic
Organization: Greg Carter's European Hockey Camp
Date of Race: 02-17-2026
Description: Our Checking Clinic is led by highly respected coaches Eric Short, ...
View Race Details View on Map
319-26 Checking Clinic
Organization: Greg Carter's European Hockey Camp
Date of Race: 02-18-2026
Description: Our Checking Clinic is led by highly respected coaches Eric Short, ...
View Race Details View on Map
Complete list of running events in and near Waltham, MA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Waltham
About Waltham
Waltham (MA) is a city in Middlesex County with an estimated population of 60,632.[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.).
Other Massachusetts Cities
