Bigfoot 20 Mile Run
AUG
14
2026
Run 20 miles along the southwestern slopes of Mount St. Helens on Aug 14, 2026, with a challenging single track through lava fields, stream crossings and old growth forest. Expect rugged volcanic terrain and stunning mountain views.
Fri 14 Aug 2026
20 miles
Always double-check with the organizer's website! This page may contain affiliate links.
Event
The Bigfoot 20 Mile Run is scheduled for Aug 14, 2026, near Cougar, Washington. The race distance is 20 miles and it has a 9 hour cutoff. The event begins at Marble Mountain Sno Park and takes place on National Forest lands.
Course
The route runs along the southwestern side of Mount St. Helens, a volcano that erupted in 1980. The course is 100% single-track and passes through lava fields, stream crossings, old-growth forest, rocky volcanic sections, and mountain terrain. An interactive course map and a runner manual are listed for the event. Visit the organization's website for the most recent information.
20 mi
20 Miles