Running races in or near Jefferson, SD
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Jefferson, SD 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-339 Miles - Team Driver
Organization: Relay Iowa
Date of Race: 06-12-2026
Description: Relay Iowa is the World's Longest Relay Run
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Running-339 Miles - Runners Joining a Team
Organization: Relay Iowa
Date of Race: 06-12-2026
Description: Relay Iowa is the World's Longest Relay Run
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Running-339 Miles - Register as Team Captain
Organization: Relay Iowa
Date of Race: 06-12-2026
Description: Relay Iowa is the World's Longest Relay Run
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Relay Iowa 2026
Organization: Relay Iowa
Date of Race: 06-12-2026
Description: Relay Iowa is the World's Longest Relay Run
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Complete list of running events in and near Jefferson, SD: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Jefferson
About Jefferson
Jefferson (SD) is a city in Union County with an estimated population of 547.[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.).
Other South Dakota Cities
