Running races in or near Somersworth, NH
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Somersworth, 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.
5K - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-13-2026
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: 06-13-2026
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: 06-13-2026
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: 06-13-2026
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
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Half Marathon - Individual Age group/open
Organization: Mainly Marathons
Date of Race: 06-13-2026
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
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2026 New England Series - Day 6 (ME)
Organization: Mainly Marathons
Date of Race: 06-13-2026
Description: World's Best Marathon Half Series(5K's, 10K's, 50's too)! No ...
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Complete list of running events in and near Somersworth, NH: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Somersworth
About Somersworth
Somersworth (NH) is a city in Strafford County with an estimated population of 11,766.[4]
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Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
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