Bigfoot 20 Mile Run

Name: Bigfoot 20 Mile Run
Start: 2026-08-14
End: 2026-08-14
Location: Cougar

AUG

2026

Tackle 20 miles of rugged single track along the southwestern flank of Mount St Helens, starting at Marble Mountain Sno Park in Cougar, Washington. Expect lava fields, stream crossings and old growth forest on a scenic, mountainous course.

Fri 14 Aug 2026

Cougar, Washington

Website Registration

20 miles

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Event

The Bigfoot 20 Mile Run is scheduled for August 14, 2026, in Cougar, Washington. The race begins at Marble Mountain Sno Park and follows the southwestern side of Mt. St. Helens. The distance is 20 miles. The event takes place on National Forest lands and uses 100% single-track trails. There is a 9 hour cutoff.

Course

The route traverses volcanic and mountain terrain and includes lava fields, stream crossings, old-growth forest sections, and rocky trails. The course is described as mountainous single-track with varied surface conditions typical of Mount St. Helens area trails. Visit the organization's website for the most recent information.

20 mi

20 Miles