Trail Running calendar near Seattle 2026-2027

Run a scenic point to point downhill from Snoqualmie Pass to North Bend, featuring a long tunnel and mountain and waterfall views on a Boston qualifying course. 2026 dates are planned but registration is paused while organizers finalize an..

Run the Super HYAK Marathon and Half Marathon on June 13, 2026, along the scenic Palouse to Cascades trail with long net downhills for fast times. The marathon is Boston qualifying and the half features the Snoqualmie Tunnel plus a custom m..

Explore Cougar Mountain single track trails on June 13 with options from 5K to 14.5 miles through forested hills and wetlands. Organized by Seattle Running Club and Northwest Trail Runs, part of each entry benefits King County Parks.

TedDriven Overland Ultra Relay is a three day stage race based at Leavenworth where teams of up to eight run scenic alpine, orchards and lakeshore legs. Combine daily times as a team and celebrate with a captain's dinner and lakeside finish..

Run the Tiger Peak Challenge near Issaquah with 5 Mile, half marathon and 50K trail options across scenic Tiger Mountain. Big climbs, volunteer aid, eco friendly practices and a free kids race add community flavor.

Run the 24th annual Hotfoot 5K at South Kitsap Regional Park in Port Orchard on June 20, 2026, a scenic mostly flat loop through wooded trails and park features. Proceeds support community scholarships and the Fourth of July fireworks and a..

Yeti Ultra Trail Washington runs June 26 to 27, 2026 on the Palouse to Cascades Trail from Hyak Sno Park, with 200K, 100 mile and 100K options. Crushed limestone terrain includes a 2.3 mile Snoqualmie tunnel that requires a light, with crew..

Run the July Cougar Mountain Trail Run at Sky Country Trailhead in Bellevue on scenic single track through forest, hills and wetlands with 5K, 10.8 and 19.5 mile options. $15 from every entry benefits King County Parks.

Cascade Crest is a rugged 100 mile trail race in Easton WA featuring 23,000 plus feet of climbing, 32 miles on the Pacific Crest Trail and a run through the 2.3 mile Snoqualmie Tunnel. Expect technical, forested singletrack and epic views.

Tackle mountain trails at Crystal Mountain Resort July 17 to 18, 2026 with multi distance races from a sharp 5K climb to a scenic half marathon descent. Entry includes a race shirt, finisher medal and an all day gondola pass for stunning vi..

Discover scenic but technical trails around Larrabee State Park in Bellingham with 12K, 25K, 50K and a kids race, starting and finishing at Fairhaven Park. Expect rocky singletrack, big climbs and a handcrafted finisher award.

Run fern lined single track trails through Cougar Mountain Regional Wildland Park, choosing from a speedy 5K up to a rugged 26.2 mile course. Support King County Parks and enjoy a community focused summer series with limited entries, so reg..

Scenic, mostly downhill run from Snoqualmie Pass to North Bend, featuring the Snoqualmie Tunnel and big net drops ideal for PRs. Registration is paused while organizers assess trail damage and consider alternate routes.

Experience Olympic Mountains Trail Races near Quilcene, Washington on August 15 and 16, 2026, with distances from 10K to 100K and new ruck divisions for 50K and 25K. Tackle rugged single track, big climbs and riverside views.

Run Super Series offers road and trail races across Washington from 5k to 100 mile ultras, featuring scenic Snoqualmie Tunnel sections and several net downhill marathons. Expect finisher medals, hoodies, chip timing and memorable course vie..

Experience rugged singletrack and subalpine ridgelines at the Dark Divide Trail Races near Randle, Washington, Sept 4 to 6, 2026. Distances from a 15 Miler to a 100 Miler challenge runners with steep, technical trails and remote scenery.

Experience Vancouver Island trail running with Coastline Endurance Running, from technical mountain routes to mossy Arbutus forests. Multiple distances and an Island Trail Series run April to October, supported by volunteer crews.

Run the scenic Adventure Trail from Port Angeles to Lake Crescent in Olympic National Park, with half marathon, marathon or 50K options. Expect single track forest trails, challenging climbs, aid stations and a festive finish at Log Cabin R..

Run the Cascade Express Marathon or Half Marathon in Snoqualmie Pass with USATF certified courses and a Boston qualifier marathon. Revel in gradual downhill gravel trails, a Snoqualmie Tunnel section, and a custom medal.

Join the quirky Beat the Blerch run created by The Oatmeal, with distances from 5K to marathon. Enjoy a flat out and back course through mossy evergreen forests along the Snoqualmie Valley Trail near Carnation.