Big River Pasco
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Event details
The Big River Race is scheduled for Saturday, May 30, 2026, in Pasco, Washington. Registration opens January 1, 2026, with early bird pricing available through January 31. The event offers multiple distances and an early-start half marathon. The Big River Half Marathon lists an age range of 13 to 99.
- Half Marathon
- EARLY START Half Marathon
- 10k
- 5k
- FREE 1 mile
Course and logistics
The race starts and finishes at the west end of Chiawana Park (RD 88, Pasco, WA 99301). The course runs along the Columbia River on a paved riverfront trail and is described by organizers as flat. Support along the course includes themed aid stations, cheer squads, and music. Chiawana Park provides shade trees, open grassy areas, and river views. Post-race refreshments are planned for finishers. Visit the organization's website for the most recent information.