Trail Running calendar near Sammamish 2026-2027

Mad Meadows is a scenic trail race near Leavenworth on October 10, 2026 offering 50K and 50M routes with big elevation gain across alpine ridgelines, meadows and river valleys. Expect technical pumice and talus sections, Glacier Peak views,..

Grand Ridge Trail Runs in Issaquah offer distances from 5 Mile to 50K and a kids race, all on rocky, technical singletrack with big climbs and rewarding views. Finish the series with a true trail challenge and well stocked aid stations.

The Pigtails Run Flat Fat Ass returns to Maple Valley this December with 50K, marathon and half marathon options on a community supported course. Expect a laid back, low support atmosphere perfect for self reliant runners and exploring scen..