Big River Pasco
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Event overview
The Big River Race is scheduled for Saturday, May 30, 2026, in Pasco, Washington. This is the third annual Big River Race. The event offers multiple distances that start and finish at the west end of Chiawana Park, a riverside park with shade trees, open grass and views of the Columbia River.
Race details
Distances offered:
- Half Marathon (Big River Half Marathon)
- EARLY START Half Marathon
- 10k (Big River 10k)
- 5k (Big River 5k)
- FREE 1 mile (Big River FREE 1 mile)
Listed entry fees:
- Half marathon events: $55
- 10k: $35
- 5k: $20
- 1 mile: $0
Registration opens January 1, 2026, with early bird pricing through January 31, 2026. Registration for the free 1 mile opens January 2, 2026. The Big River Half Marathon listing notes entry open to ages 13 to 99.
Course and support: The route runs on a paved riverfront trail along the Columbia River. The course is described as flat. The event will include themed aid stations, cheer squads, music, and post-race treats. The organizer lists Chiawana Park, RD 88, Pasco, WA 99301 as the event location. Visit the organization's website for the most recent information.
