Trail Running calendar near Downtown Seattle 2024-2025

We have found 44 Trailruns within 80 miles of Downtown Seattle. See below where and when you can find the races.

Cascade Crest is a renowned 100-mile trail running event held in Easton, WA, known for its challenging terrain and scenic beauty. Participants will experience over 23,000 feet of elevation gain, including a portion on the Pacific Crest Trail and a unique run through the 2.3-mile Snoqualmie Tunnel. T..

August 2025

The Beast of Big Creek is a thrilling mountain running event set in the stunning Olympic Mountains, specifically at Mount Ellinor. Celebrating its 15th anniversary, the race offers two challenging distances: a 14-mile Skyrace with over 5,200 feet of elevation gain and a 5-mile Forest Loop. Participa..

September 2025

The Goat Rocks 50 Miles 2 Day Stage Run will take place in Packwood from Friday 5 September 2025 to Sunday 7 September 2025. You can run 50 miles.

The Dark Divide Trail Races, hosted by Wonderland Running, will take place from September 5-7, 2025, at the Cispus Learning Center in Randle, WA. This challenging event features multiple race distances, including a 100 Miler, 50 Miler, 50K, and a 15 Mile Fun Run, all set in the stunning and rugged l..