da Vinci Days' Graand Kinetic Challenge 2026

Come enjoy the spectacle of a two-day, obstacle-filled race featuring wild and whimsically engineered, human-powered, pedal-pushed, all-terrain kinetic art sculptures.  Saturday starts at PRAx (470 SW 15), heads to the Benton County Fairgrounds for the Sand Dune Challenge, and ends back at PRAx.  Saturday afternoon you can explore "Corvallis Kaleidoscope" a celebration of Art + Sciences.  Sunday starts at Crystal Lake Park with the Mud Bog Challenge followed by the Willamette River Race.  Finish Line flourishes at Riverfront Park with a race team meet & greet.