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.
Complete list of running events in and near Duncan, OK: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
Duncan (OK) is a city in Stephens County with an estimated population of 23,431.[4]
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The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
