Trail Running calendar near Issaquah 2025-2026

We have found 49 Trailruns within 80 miles of Issaquah. See below where and when you can find the races.

Run the Cascade Express Marathon or Half on a scenic point to point gravel trail through the Cascades with lake and mountain views. The marathon is Boston qualifying and the half passes through the 2.4 mile Snoqualmie Tunnel.

Beat The Blerch in Carnation, WA, is a whimsical race from The Oatmeal with 5K, 10K, half and marathon options through mossy evergreen forests. Enjoy a flat out and back course on the Snoqualmie Valley Trail near strawberry farms and small..

Experience alpine ridgelines and summit views at the Cirque Series on Crystal Mountain. This challenging roughly eight mile course delivers big climbing, marked trails, aid stations and a festive finish at the resort.

Remote, self supported 100 miler and one loop 100K on rugged Cascade trails around Leavenworth. Expect big climbs, minimal support and a true backcountry test while supporting local search and rescue and veteran organizations.

Explore coastal trails around Anacortes with ocean views and the iconic Deception Pass Bridge on loop and out and back courses. Marathon, half marathon, 5 Mile and kids race options welcome runners of all paces in a sustainably run event.

October 2026

North Bend Trail Fest brings mountain running and outdoor demos to North Bend, Washington on October 2 to 4, 2026. Run the Skyline 30k with huge vertical gain, enjoy shorter races and an expo, and support Recovery Beyond.

Mad Meadows 50 in Leavenworth WA on October 10, 2026 offers 50M and 50K courses that climb above 7000 ft and wind through alpine meadows, larch stands and technical single track. Expect steep climbs, scenic ridgelines and a river finish.

November 2026

Grand Ridge in Issaquah on Nov 7 2026 offers distances from a Kids Race and 5 Miler up to Half Marathon, Marathon and 50K. Tackle mossy, rainy forest trails and rocky switchbacks for a classic Pacific Northwest trail challenge.