River Rat Run
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About the race
River Rat Run is an in-person, chip timed running event in Yankton, South Dakota, held on April 24, 2027. The courses run through the Lewis and Clark Lake Recreation Area on newly paved trails that wind through wooded areas along Lewis and Clark Lake and Lake Yankton, offering wide-open views and a natural setting.
Distances offered:
- Half Marathon (13.1 Miles)
- 10K (6.2 Miles)
- 5K (3.1 Miles)
Timing is chip based with video support and a manual iPad backup for added accuracy. The event began in 2009 and donates its proceeds to Yankton-area nonprofit organizations. Registration opens October 1, 2026; the event is in-person only and there is no race-day registration. The River Rat Run is organized by the Yankton Athletic Events Association, a registered 501(c)(3) organization. Route maps, past results, and additional event information are provided by the organizers. Visit the organization's website for the most recent information.
