Big River Pasco

MAY
30
2026
A riverside community race at Chiawana Park on May 30, 2026 offering a half marathon, 10k, 5k and a free 1 mile. The course follows a paved riverfront trail and is described as flat and fast.
Sat 30 May 2026
13 miles 10 kilometers 5 kilometers

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Big River Race in Pasco

The Big River Race takes place on Saturday, May 30, 2026 at Chiawana Park in Pasco, Washington. This is the third annual running of the event and the course runs along the Columbia River on a paved riverfront trail.

The event includes multiple distances:

  • Big River Half Marathon
  • EARLY START Half Marathon
  • Big River 10k
  • Big River 5k
  • Big River FREE 1 mile

All race distances are on a paved path located along the riverfront. The course is described as flat and fast and the start and finish are at the west end of Chiawana Park. The park area around the finish features shade trees, a large grassy area, and views of the river.

Support along the course includes themed aid stations, cheer squads, and music. After the race there are post race treats and a live band in the park. The event description also highlights community values connected to the park name Chiawana, which means Big River, and lists compassion, creativity, reliability, generosity, and loyalty as core values.

The race notes the Columbia River as a longstanding regional feature and describes its role in local agriculture and culture, including irrigation of more than 6,000,000 acres of agricultural land. Visit the organization's website for the most recent information.

13 mi
Big River Half Marathon
13 mi
Early Start Half Marathon
10 km
Big River 10k
5 km
Big River 5k
Big River Free 1 Mile