Trail Running calendar near Bellingham 2025-2026

Tackle a rugged 10 kilometre on Thetis Lake trails at the Harriers Gunner Shaw Cross Country Classic on Nov 22. Celebrate the 41st running, enjoy post race camaraderie and support Harriers Foundation projects.

Join the Jumping Mouse Turkey Trot in Port Townsend on November 22, 2025 for a scenic, flat 5K on the Larry Scott Trail or a fun 1 mile kids run. Family and dog friendly, proceeds support children's mental health at Jumping Mouse.

Join the Redmond Reindeer Romp on Dec 6, 2025 at Redmond Watershed Preserve with 5 mile and half marathon options. Run scenic forest trails with gentle hills and earn Winter Trail Series swag.

Run scenic, rugged trails at Thetis Lake Park with technical single track, mud and water crossings plus a climb to Stewart Mountain for great views. Proceeds support the Harriers Foundation and youth development programs.

Run scenic coastal trails at Deception Pass State Park on December 13 and 14, 2025 with 50K, 25K and a kids 1K fun run. Expect technical single track, bluff views and two crossings of the iconic bridge.

Seward Solstice Run at Seward Park, Seattle on Dec 20. Choose a scenic 4.2 mile or 10k loop through old growth forest and compete in a costume contest with prizes.

Hit the scenic trails of Grouse Mountain with options for a 10 Mile, a 50 Mile, or a Virtual Challenge on Dec 30 and 31, 2025. Enjoy stunning views, volunteer trail cleanup, and support the Friends of Grouse Mountain while testing your limi..

Kick off 2026 with Absolution Run at St. Edward State Park on January 3, featuring 4 mile and 8 mile courses of swoopy single track and scenic shoreline. Enjoy technical descents, a rewarding climb back to the finish and hearty aid station..

Celebrate winter trails at Bridle Trails Winter Running Festival, a daytime event returning for the first time in 30 years at Bridle Trails State Park. Pick 5 mile to 50k loops or relay teams and support the Bridle Trails Park Foundation.

Run the Interlaken Icicle Dash in Seattle on January 31, choose 5k or 10k looped courses that weave paved boulevard and scenic dirt trails with a short climb. It is the final race of the Winter Trail Series, full of winter running charm.

Take on marathon, half marathon, 10 km or 5 km trail races at Fort Ebey State Park on Whidbey Island. Rolling forested kettle terrain and bluff top views of the Strait of Juan de Fuca and the Olympic Mountains make each mile scenic.

Run Lord Hill in Snohomish on rugged single track with sustained climbs, creek crossings and distances from a 5K to a tough 50K. All finishers receive handmade swag powered by local solar energy.

Join Run Ridge Run in Port Moody on February 21, 2026 for 13 km and 25 km trail challenges with sustained climbs, technical descents and sweeping views around Sasamat and Buntzen Lakes. Kids can join a free untimed 1 km fun run.

Run the scenic Rock Solid Marathon or Half on Whidbey Island, Saturday February 28, 2026, with coastal roads, beach miles, and island trails finishing at the historic Captain Whidbey Inn. Proceeds support The Rock Solid Foundation.

Run a scenic 25K point to point through old growth evergreens and fern lined singletrack in Larrabee State Park near Bellingham. Expect runnable trails, ocean and Mount Baker views, and a finish at the Larrabee State Park Amphitheater.

Celebrate Pi Day with the Pie High Trail Run at Lord Hill Park, a hilly, scenic trail challenge offering 5k, 10k and half marathon courses. Finish with a slice of pie and riverside views after mossy forest and creek crossings.

On March 28 enjoy spring trails at Bridle Trails State Park with distances from 5 km to a full marathon on scenic looped courses featuring gentle climbs, smooth trails, and varied terrain. Youth runners get a $10 online discount.

Run scenic singletrack along Kelly Ridge between Olympic National Park and the Strait of Juan de Fuca in Port Angeles on April 11, 2026. Choose 12K, half marathon, or 50K with aid stations, chip timing, shuttles and an after party.

Diez Vista is a rugged 50 km trail ultra around Sasamat Lake in Port Moody, BC, through west coast rainforest and gravel roads with roughly 2000 m of climb. A free 1 km kids race welcomes young runners.

Run the scenic single track at Royal Roads University for the Vancouver Island Trail Running Series, with 11 km, 6 km and a kids 1 km option for all levels. Enjoy campus trails, post race food and prizes while supporting local trail groups.