Running races in or near Duncan, OK
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Duncan, OK 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.
Stampede The Trail Half Marathon 2026
Organization: Simmons Center
Date of Race: 06-27-2026
Description: DescriptionStampede The Trail Half MarathonActivity Sub-CategorySpecial Events
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Stampede The Trail 5K 2026
Organization: Simmons Center
Date of Race: 06-27-2026
Description: Description Activity Sub-CategorySpecial Events
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Memorial Day 5k Fun Run/walk May 23, 2026 ...
Organization: Simmons Center
Date of Race: 05-23-2026
Description: Description5K Fun Run/Walk Activity Sub-CategorySpecial Events
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Complete list of running events in and near Duncan, OK: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Duncan
About Duncan
Duncan (OK) is a city in Stephens County with an estimated population of 23,431.[4]
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Did you know?
In 2014, there were more than 1,100 marathons and more than 541,000 finishers in the U.S.
