This USATF-sanctioned trail running event in Dayton, WA invites runners of all levels to explore the gorgeous single-track trails of the protected Jasper Mountain Reserve with four flexible options: a 4-person relay covering 52.4 miles, solo half and full marathons (13.1 and 26.2 miles with 2,570 and 5,140 feet of elevation gain respectively), and a family-friendly 7K at 4.4 miles. Register by May 31, 2026 to snag your race shirt and medal while helping support conservation efforts at this special Eastern Washington trail system.