River Rat Run
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Event overview
The River Rat Run takes place on Saturday, April 25, 2026, in Yankton, SD (Gavin's Point Road Picnic Shelter / Gavin's Point Beach Parking Area, 57078). The event offers the following race distances:
- Half Marathon
- 10K
- 5K run/walk
Entry fees listed for this edition are $50 for the half marathon, $35 for the 10K, and $25 for the 5K. Prices increase after January 31, 2026 at 11:59 p.m. CST. Race T-shirts are guaranteed only for runners who register by midnight on the Sunday before race day. Only half-marathon participants receive finisher medals. Prizes are awarded to overall male and female winners and to first- and second-place finishers in each male and female age division (1–19, 20–29, 30–39, 40–49, 50–59, 60–69, 70–99).
Course and logistics
All courses are chip-timed with video and manual iPad backup and run through the Lewis and Clark Lake Recreation Area. The route uses newly paved trails through wooded areas along the shores of Lewis and Clark Lake and Lake Yankton, with two short grass connectors between trail sections. The course offers lake views and local wildlife; in winter there is a chance to spot bald eagles. Packet pick-up is available the day before the event at Ace Bike & Fitness, 2404 Broadway, Yankton, SD, from 4:30 to 7:30 p.m., where new registrations will also be accepted. No race-day registrations are accepted. Visit the organization's website for the most recent information.