Running Races in 03753 (Grantham, NH)
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more in or near 03753
See below for a frequently-updated, comprehensive list of upcoming running events in the local Grantham, NH 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.
Half Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-13-2025
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
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5K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-12-2025
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
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10K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-12-2025
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
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10K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-13-2025
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
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50K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-12-2025
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
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Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-13-2025
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
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2025 New England Series - Day 4 (VT)
Organization: Mainly Marathons
Date of Race: 06-12-2025
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
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2025 New England Series - Day 5 (NH)
Organization: Mainly Marathons
Date of Race: 06-13-2025
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
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50K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-13-2025
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
View Race Details View on Map
Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-12-2025
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
View Race Details View on Map
Half Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-12-2025
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
View Race Details View on Map
5K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-13-2025
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
View Race Details View on Map
Complete list of running events in and near Grantham, NH: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about 03753
About Grantham
The ZIP Code 03753 is associated with the city of Grantham in Sullivan County in the state of New Hampshire.
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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.
