5K/10K is a Bloomsday qualifier race.

Sunday, September 21, 2025
8:00 a.m.
Plantes Ferry Sports Complex

MultiSport Tri/Duathlon has been discontinued in favor of the most popular events the 5k and 10k River Run 

The Valleyfest annual races start and finish at the Plante’s Ferry – West Parking Lot Picnic Shelter. The race starts on Sunday, September 22 at 8:00 a.m. and is timed by Negative Split. Athletes run west past the Plante’s Ferry obelisk to the Islands Trailhead, then continue over the Spokane River on the Denny Ashlock Bridge and run a 5K or 10K loop on the Centennial Trail.

River Run will be held rain or shine — No Refunds