River Rat Run

River Rat Run

River Rat Run in Yankton SD is an in-person road and trail running event held on April 24, 2027. The event offers three chip timed distances and is staged within the Lewis and Clark Lake Recreation Area on newly paved trails that wind through wooded areas along Lewis and Clark Lake and Lake Yankton. The course features wide-open views and a natural setting that passes park areas and campgrounds.

Distances

• 5K (3.1 miles), fast and flat, suitable for walkers and beginners
• 10K (6.2 miles), extends farther along trails and builds endurance
• Half Marathon (13.1 miles), mostly flat route through park and campgrounds

Chip timing is used and supported by video plus a manual iPad backup for added accuracy. The event raises funds for select Yankton-area nonprofit organizations and scholarships, and all race proceeds are donated to local nonprofit organizations. Registration opens October 1, 2026. There is no race day registration and the event is held in person only. River Rat Run is organized and operated by the Yankton Athletic Events Association, a registered 501(c)(3) non-profit organization. Visit the organization's website for the most recent information.

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