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Trail Running Calendar near Sammamish Valley 2025-2026

Explore the top trail runs near Sammamish Valley for 2025-2026! We've gathered 26 exciting races in the area. Check out our detailed list below to find your next local race.

June 2026
Jun
20
Sa

Hotfoot Trail Run
Trail Run 5 km
September 2026
Sep
12
Sa

Cascade Express Marathon
Trail Run 13 mi 26 mi
Sep
12
Sa

Beat the Blerch
Trail Run 5 km 10 km Half Marathon Marathon
October 2026
Oct
2-4
Fr - Su

North Bend Trail Fest
Trail Run 10 km 30 km
Oct
5
Mo

North Bend Skyline 30K
Trail Run
November 2026
Nov
7
Sa

Grand Ridge Trail Run
Trail Run 5 mi Half Marathon Marathon 50 km