Trail Running calendar near Sedro-Woolley 2026-2027

Run scenic loops at Tiger Mountain State Forest on June 6, 2026, from a rolling 5K to a half marathon with big climbs and sweeping singletrack descents. Bring hydration for longer distances.

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..

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.

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..

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.

Challenge yourself on rugged singletrack at Buckin' Hell on July 25, 2026 at Mt Seymour Resort in North Vancouver with 35 km, 50 km or a two person 50 km relay and a free kids run. Expect big climbs, sweeping views and a medal that doubles..

Take on the epic Fat Dog 120 in British Columbia Aug 7 to 9 with 120 mile, 100 km and 40 mile options set on remote technical single track and alpine ridgelines. Expect massive climbs, stunning views and a true backcountry challenge.

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.

Tackle technical single track through rocks, roots and old growth forest at Quarry Nature Park in Cobble Hill. Choose from a rugged 25 km, a 12 km or a kids race on August 15, 2026 as part of the Vancouver Island Trail Running Series.

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.

Tackle the Handloggers Half Marathon on scenic Bowen Island, a 21 km trail loop around Mount Gardner with a relay option. Enjoy a short ferry ride and classic Labour Day Saturday trail vibes for runners of all levels.

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.

Experience alpine meadows and 360 degree summit views on the Frosty Mountain Ultra in Manning Park. Choose 13 km, 27 km or 50 km trail routes that climb toward Frosty Mountain and loop scenic Lightning Lake.

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.

Run the scenic Tunnel Light Marathon or half marathon from Snoqualmie Pass to North Bend on September 13, 2026, celebrating the route's tunnel heritage and mountain views. Registration is paused as organizers work with agencies to finalize..