LEWISTON, ID – The 46th annual Seaport River Run is scheduled for Saturday, April 27, with participants set to follow a familiar course along the Lewis-Clark Valley levee system.

The event will feature two routes. The short course, measuring approximately 2.9 miles (5K), begins at Swallows Nest Park and follows the levee north before crossing Southway Bridge and heading south to the finish line at Hells Gate State Park Marina. The long course, a 6.2-mile (10K) route, also starts at Swallows Nest Park, continuing north to the Interstate Bridge (Blue Bridge) before crossing and following the levee south to the same finish line.

Registration for the event is available online through April 26, with in-person registration offered on race day. To ensure preferred t-shirt styles and sizes, participants must register by April 12. Packet pickup will be held at the Lewiston Community Center on April 25 and 26 from 8 a.m. to 5 p.m.

Race-day parking will be available in the overflow lot at Swallows Nest Park. A shuttle service will transport participants from the finish line back to the starting area. Those parking at Hells Gate State Park may be required to pay a parking fee unless they have an Idaho State Parks Pass.

Line formation at Swallows Nest Park will begin at 9:40 a.m., with the race starting at 10 a.m.