Trail Running calendar near Downtown Seattle 2025-2026
We have found 71 Trailruns within 80 miles of Downtown Seattle. See below where and when you can find the races.
We have found 71 Trailruns within 80 miles of Downtown Seattle. See below where and when you can find the races.
Run the Tunnel Light Marathon and Half on a scenic point to point course from Snoqualmie Pass to North Bend, featuring a tunnel section and steady downhill that makes for fast times. Registration opens January 1, 2026.
Run a stunning 7.7 mile mountain course with 2,544 feet of climbing at Crystal Mountain, WA, featuring summit ridgeline views and technical single track. Limited to 700 entries and part of the Cirque Series with season points and buckle awa..
Tackle the rugged Plain Endurance Runs near Leavenworth WA, with 100 mile and 100K options across remote Cascade trails and big elevation. Self supported with minimal resupply, the race benefits search and rescue and veteran groups.
Run scenic coastal trails and panoramic ocean views at the Fidalgo Trail Run in Anacortes on Saturday, September 26, 2026. Choose from marathon, half marathon, 5 mile and a kids race, with the half and full routes crossing the iconic Decept..