River Rat Run
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River Rat Run : Yankton, SD
The River Rat Run is a chip-timed running event held on April 25, 2026, in Yankton, South Dakota, at the Gavins Point Area picnic shelter and beach parking area. The event began in 2009 to honor a service member who died in 2005 during Operation Iraqi Freedom. All race proceeds are donated to local nonprofit organizations. Professional photos are taken on race day.
Distances
- Half Marathon
- 10K
- 5K run/walk
Race details and logistics
All courses run through the Lewis and Clark Lake Recreation Area on newly paved trails that pass wooded landscapes along the shores of Lewis and Clark Lake and Lake Yankton, with two short grass connectors between trail sections. Timing uses chip timing with video and manual iPad backup. Prizes are awarded to overall male and female winners and to first and second place finishers in male and female age divisions (1–19, 20–29, 30–39, 40–49, 50–59, 60–69, 70–99). Only half-marathon participants receive finisher medals. Race T-shirts are guaranteed for runners who register by midnight on the Sunday before race day. Packet pick-up with new registrations accepted is available Friday at Ace Bike & Fitness, 2404 Broadway, Yankton (4:30 to 7:30 p.m.); race-day check-in is at the Gavins Point picnic shelter. No race-day registrations will be accepted. Registration opens October 1, 2025; prices increase after January 31, 2026. Visit the organization's website for the most recent information.