Bigfoot 20 Mile Run

AUG
14
2026
Run the Bigfoot 20 Mile on August 14, 2026 in Cougar, WA, from Marble Mountain Sno Park. Enjoy 20 miles of scenic single track around Mount St Helens through lava fields, stream crossings and old growth forest within a 9 hour cutoff.
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 August 14, 2026, in Cougar, WA. The race distance is 20 miles and it begins at Marble Mountain Sno-Park. There is a 9-hour cut-off. Registration closes on August 2.

Course

The course runs along the southwest side of Mount St. Helens, a volcano that erupted in 1980. The route is entirely on single-track trails. Terrain features include lava fields, stream crossings, old-growth forest sections, and mountain trail running. Visit the organization's website for the most recent information.

20 mi
20 Miles