Mill Plain
Trail Running Calendar near Mill Plain 2026-2027
Explore the top trail runs near Mill Plain for 2026-2027! We've gathered 23 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
July 2027
Two-day volunteer weekend in Cougar WA to carry water about 9 miles roundtrip into remote aid stations, with food provided and prizes for the heaviest carriers.
August 2027
Trail races around Mt St Helens near Cougar, WA offering a rugged 50K with about 7400 ft elevation and a 25K with about 3200 ft.
A 20 mile single-track trail race on the southwest flank of Mount St. Helens featuring lava fields, stream crossings, old-growth forest and a 9 hour cutoff.