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-5K - 70 yrs +
Organization: Tri-Valley Front Runners
Date of Race: 08-16-2025
Description: THIS RACE IS NAMED IN ...
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Running-Half marathon - Individual Age group/open
Organization: Three Beach Minimum
Date of Race: 09-27-2025
Description: The 3 Beach Minimum Half Marathon is a spectacularrun that starts ...
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Girls Run Club - Tuesdays at 5:00
Organization: Hill House
Date of Race: 09-09-2025
Description: DescriptionCome join our fantastic girls athletics staff as ...
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Girls Run Club - Tuesdays at 5:00
Organization: Hill House
Date of Race: 09-09-2025
Description: DescriptionCome join our fantastic girls athletics staff as ...
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South Shore '3 Beach Minimum' Half Marathon 2025
Organization: Three Beach Minimum
Date of Race: 09-27-2025
Description: The 3 Beach Minimum Half Marathon is a spectacularrun that starts ...
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Running-5K - 19 Years Old and Above
Organization: Tri-Valley Front Runners
Date of Race: 08-16-2025
Description: THIS RACE IS NAMED IN ...
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Running-5K - 18 Years Old and Under
Organization: Tri-Valley Front Runners
Date of Race: 08-16-2025
Description: THIS RACE IS NAMED IN ...
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Running-5K - 19 Yrs Old and Above plus ...
Organization: Tri-Valley Front Runners
Date of Race: 08-16-2025
Description: THIS RACE IS NAMED IN ...
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Running-5K - 19 Yrs Old and Above plus ...
Organization: Tri-Valley Front Runners
Date of Race: 08-16-2025
Description: THIS RACE IS NAMED IN ...
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Running-Kid's Dash - 1 Kid (Age 12 and ...
Organization: Tri-Valley Front Runners
Date of Race: 08-16-2025
Description: THIS RACE IS NAMED IN ...
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Running-Kid's Dash - 2 or more Kids (Age ...
Organization: Tri-Valley Front Runners
Date of Race: 08-16-2025
Description: THIS RACE IS NAMED IN ...
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15th Larry Olsen 5K Classic
Organization: Tri-Valley Front Runners
Date of Race: 08-16-2025
Description: THIS RACE IS NAMED IN ...
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16th Annual Upton VFW Run to Remember 5K
Organization: Tri-Valley Front Runners
Date of Race: 10-04-2025
Description: RUN TO REMEMBER A VETERAN!!! Our race honors all Active, Reserve, ...
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2 Kids - Fun Run - 2 Kids ...
Organization: Tri-Valley Front Runners
Date of Race: 10-04-2025
Description: RUN TO REMEMBER A VETERAN!!! Our race honors all Active, Reserve, ...
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Kids Splash & Dash (Ages 11-15) - Participant ...
Organization: ethos
Date of Race: 08-16-2025
Description: The Boston Triathlon is excited to host the 11th annual KIDS ...
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Kids Splash & Dash (Ages 7-10) - Participant ...
Organization: ethos
Date of Race: 08-16-2025
Description: The Boston Triathlon is excited to host the 11th annual KIDS ...
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Kids Fun Run - 100yd (Ages 1-6) - ...
Organization: ethos
Date of Race: 08-16-2025
Description: The Boston Triathlon is excited to host the 11th annual KIDS ...
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Bedford Day 5K Road Race 9/20 8:30am F25
Organization: Town of Bedford Recreation Department
Date of Race: 09-20-2025
Description: DescriptionLocation: John Glenn Middle SchoolKick off Bedford Day 2025 by participating ...
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5K Runner - Runner
Organization: Tri-Valley Front Runners
Date of Race: 10-04-2025
Description: RUN TO REMEMBER A VETERAN!!! Our race honors all Active, Reserve, ...
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Walking-2.25K / 1.4 Mi - Walker
Organization: Tri-Valley Front Runners
Date of Race: 10-04-2025
Description: RUN TO REMEMBER A VETERAN!!! Our race honors all Active, Reserve, ...
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Kids Fun Run - 1 Kid - Fun ...
Organization: Tri-Valley Front Runners
Date of Race: 10-04-2025
Description: RUN TO REMEMBER A VETERAN!!! Our race honors all Active, Reserve, ...
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2025 Kid's Day at the Boston Triathlon
Organization: ethos
Date of Race: 08-16-2025
Description: The Boston Triathlon is excited to host the 11th annual KIDS ...
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Running-5K - Individual Age group/open
Organization: Tri-Valley Front Runners
Date of Race: 07-26-2025
Description: See Registration andRace information! This is the 10th running of ...
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Half Marathon Course - 1/2 Marathon Runner
Organization: Tri-Valley Front Runners
Date of Race: 11-09-2025
Description: Date: Sunday November 9, 2025 ...
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Half Marathon Course - 70 yrs + 1/2 ...
Organization: Tri-Valley Front Runners
Date of Race: 11-09-2025
Description: Date: Sunday November 9, 2025 ...
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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]
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Did you know?
There were at least 768 marathons scheduled in the United States and Canada in 2016.
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