Big River Pasco
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Event overview
Big River Race is scheduled for Saturday, May 30, 2026 in Pasco, Washington. The event is the third annual running of the race and offers multiple distance options:
- Half marathon (Big River Half Marathon)
- EARLY START Half Marathon
- 10k
- 5k
- 1 mile (free)
Registration opens January 1, 2026 (the free 1 mile opens January 2, 2026). Early bird pricing runs through January 31, 2026. Listed entry fees include $55 for each half marathon option, $35 for the 10k, $20 for the 5k, and $0 for the 1 mile.
Course and venue
The start and finish are at the west end of Chiawana Park, Pasco, WA (RD 88, 99301). The course follows a paved riverfront trail along the Columbia River. Organizers describe the course as flat and note themed aid stations, cheer squads, and music on the route. Chiawana Park is described as having shade trees, a large grassy area, and river views. The event page lists race values associated with the name Chiawana: compassion, creativity, reliability, generosity, and loyalty. Visit the organization's website for the most recent information.