Sammamish
Trail Running Calendar near Sammamish 2026-2027
Explore the top trail runs near Sammamish for 2026-2027! We've gathered 48 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
October 2026
Two-day mountain running festival in North Bend, WA featuring a vertical kilometer, the Skyline 30k championship with 6,500+ feet gain, a 10k, expo and family activities.
Trail races on the Middle Fork and CCC trails in North Bend, WA, on October 10, 2026. Distances from 10k to 50k feature river valley scenery, aid stations, and some unbridged creek crossings.
A community event at Daybreak Star offering a chip-timed 5K trail run and a free 1.25 mile SpiritWalk to support culturally attuned care for Native people.
A 5k in Ravenna Park where participants run or walk wooded trails while watching for Bigfoot sightings, with in person, virtual and free kids options.
Timed 3-hour and 6-hour lap events or a marathon on a 1.06 mile dirt loop at Osprey Park in Sultan, WA with river views and minimal elevation.
A Last Person Standing race on a steep 0.8 mile loop at Lord Hill Regional Park in Monroe, WA, featuring shrinking lap times and prizes for the final finisher.
The 20th annual Carkeek 12 Hour at Carkeek Park features 12 and 6 hour loop races on a 1.93 mile course with costume prizes and proceeds benefiting local trails.
A costumed community event at Lincoln Park featuring a trail 5K, kids dashes, and a virtual shirt option to support South Seattle College Cooperative Preschools. Registration includes a Monster Dash shirt and the 5K includes a timed bib.
Free evening relay in Black Diamond where teams hunt six hidden ghosts in Civic Park, with costume and team-name awards and a bonus ghost prize.
November 2026
A six hour loop race at Nolte State Park on a 1.4 mile crushed gravel and packed dirt course, fee waived with optional donations supporting the Washington Trail Association.
A marathon and half marathon on the Kirkland Corridor Course on November 26, 2026 using a short out and back layout with on-site parking and aid at the start.
December 2026
Run through the scenic forests of the Redmond Watershed Preserve in a festive 5 mile or half marathon trail race featuring smooth trails and rolling hills.
A six-race Winter Grand Prix of two mile road, track and cross country events in 2026-2027 with series prizes from New Balance and Super Jock n Jill.