Running races in or near Nassau, NY
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Nassau, NY 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: Claverack Free Library
Date of Race: 05-17-2026
Description: Support the Claverack Free Library ...
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Running-5K - Youth Under 18 - Individual Age ...
Organization: Claverack Free Library
Date of Race: 05-17-2026
Description: Support the Claverack Free Library ...
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Book it! 2026
Organization: Claverack Free Library
Date of Race: 05-17-2026
Description: Support the Claverack Free Library ...
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Walking-5K - Youth Under 18 - Individual Age ...
Organization: Claverack Free Library
Date of Race: 05-17-2026
Description: Support the Claverack Free Library ...
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Walking-5K - Individual Age group/open
Organization: Claverack Free Library
Date of Race: 05-17-2026
Description: Support the Claverack Free Library ...
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Run Wild 2 (ages 11–13)
Organization: Flying Deer Nature Center
Date of Race: 07-06-2026
Description: Support the Claverack Free Library ...
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Run Wild 1 (ages 11–13)
Organization: Flying Deer Nature Center
Date of Race: 06-29-2026
Description: Support the Claverack Free Library ...
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Run Wild 2 (ages 7–10)
Organization: Flying Deer Nature Center
Date of Race: 07-06-2026
Description: Support the Claverack Free Library ...
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Run Wild 1 (ages 7–10)
Organization: Flying Deer Nature Center
Date of Race: 06-29-2026
Description: Support the Claverack Free Library ...
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Complete list of running events in and near Nassau, NY: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Nassau
About Nassau
Nassau (NY) is a village in Rensselaer County with an estimated population of 1,133.[4]
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Did you know?
Historically, more marathons are run in the month of October than any other month (in the U.S.).
