Trail Running calendar near Bellingham 2025-2026

Take on scenic coastal trails at Deception Pass State Park on Dec 13 and 14, 2025 with 50K and 25K trail races plus a free 1K kids fun run. Enjoy rocky single track, bluff views and two crossings of the iconic Deception Pass Bridge.

Join the Seward Solstice Run at Seward Park Seattle on Dec 20, 2025 with 4.2 mile and 10k forest loop courses as part of the Winter Trail Series. Enjoy scenic trails, aid stations, and a Glitter, Glamour and Galaxy costume contest.

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 in Kenmore on January 3, offering scenic 4 mile and 8 mile trail loops along Lake Washington. Expect swooping single track, a lakeside descent and a well stocked 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.

Join the Get Outside 5k Fun Run on Jan 24 in Burlington for a family friendly run along the Port of Skagit Trails starting at True North Bakery. Proceeds benefit Boys & Girls Clubs of Skagit County and entry includes a free race shirt.

Run the Interlaken Icicle Dash through Seattle's wooded Interlaken Park on January 31, 2026, with 5k and 10k loop options. As the final Winter Trail Series race, expect scenic climbs, a festive aid station, and a welcoming trail community.

Run rolling trails through forested kettle terrain with bluff top views of the Strait of Juan de Fuca at Fort Ebey State Park on Whidbey Island. Options from 5 km to marathon with a finisher medal included.

Woolley Trail Runs in Sedro Woolley, Washington offers 50k, marathon and half marathon on a scenic railroad grade gravel trail. Out and back courses, limited aid and parking, so bring your own supplies.

Join the inaugural Song Sparrow Bridge 10K in Sedro Woolley on Feb 14 for a free, untimed trail run through cedar and fir groves, crossing two handcrafted bridges. Enjoy Starbucks warm drinks and a scenic loop on Skagit Trail Builders trail..

Lord Hill Trail Run invites runners to tackle a steep opener and rolling forest trails from 5K to 50K with creek crossings and rocky sections. This cupless race offers handmade finisher awards and supports local trail stewardship.

Run Ridge Run returns to Sasamat Lake in Port Moody on Feb 21, 2026, offering 13 km and 25 km trail options along scenic ridges and lakeside trails. Enjoy post race soup and sushi, tree planting per entry, and a fun kids race.

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.

Run among lush trails at Bridle Trails State Park in Kirkland on March 28 with distances from 5K to marathon. Smooth forest loops, moderate climbs, and friendly aid stations make this a great spring trail challenge.

Run the inaugural Redmond Marathon on March 29, 2026, from Sixty Acres Park along the scenic Sammamish River and East Lake Sammamish trail. This Boston Marathon qualifying 26.2 miles out and back offers a fast, well supported course.

OAT Run April 11, 2026 in Port Angeles offers scenic singletrack on Kelly Ridge with 12K, half marathon and 50K out and back fields capped at 130. Celebrate with a hot meal and beer garden while supporting local trail groups.

Diez Vista is a scenic 50 km trail ultra around Sasamat and Buntzen lakes, featuring rugged west coast singletrack and about 2000 m of climbing. This long-running community race has limited entries and supports local charity and tree planti..

Join the Vancouver Island Trail Running Series at Royal Roads University in Victoria BC on April 11, 2026 for scenic trail runs of 11 km, 6 km and a 1 km kids race. Enjoy campus views, post race food and a family friendly vibe.