Trail Running calendar near Bellingham 2026-2027

A trail running event circling scenic Cultus Lake. The 22nd edition features a 30 km solo or relay race and a 1.5 km kids run. The race starts and finishes at Main Beach.

Trail races on North Shore terrain with marathon, half marathon and 10 km starting and finishing at Inter River Park. Aid stations, finisher medals, podium awards and costume prizes are part of the event.

A multiformat endurance event at Salt Creek Recreation Area with 12 hour and 24 hour loop options, a relay format, and a Last Runner Standing summit challenge offering coastal views and stocked aid stations.

A looped trail fundraiser at Carkeek Park in Seattle offering timed 12 hour and 6 hour options in person on October 24 2026 and virtually October 1 to 31. The 1.93 mile loop gains 436 feet per lap and entries are capped at 50.

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.

Trail race in Chilliwack along the Vedder River offering a looped half marathon, a 10K and a kids run while directing a portion of registrations to local trail and youth initiatives.

A 10K trail race in Port Gamble, Washington, on single track and dirt roads with about 600 feet of climbing mostly in the first three miles. The event features a costume contest, a tech shirt and medal, awards, and a field limited to 100 ru..

A Halloween-themed running event at Swangard Stadium on October 31, 2026 with a chip-timed 5 km and a 400 m Mini Monster Dash for children, costume-friendly with medals for youth and post-race refreshments.

Trail half marathon, 10K and 5K at Sasamat Trail on November 1, 2026 supporting first responders and fundraising for mental health and veterans organizations. Race entries include a shirt, finisher medal and chip timing when minimums are me..

A forested trail run at Carkeek Park in Seattle offering 5k and 10k courses with rolling and steep sections, an aid station at the start, and a youth discount for runners under twenty. Dogs are not allowed on the course.

Trail races at Deception Pass State Park on November 7 and 8 feature 50K and 25K courses that cross the Deception Pass Bridge twice, run mostly on single track trails, and include aid stations and timed cutoffs.

A November trail race on North Shore routes offering 12 km, 19.5 km and 25 km distances, on-site aid stations and a food drive for the local food bank. Expect technical trails, muddy sections and possible creek crossings.

Ravenna Refresher is a trail run at Ravenna Park in Seattle offering 4k, 8k, and 12k on a 4.1 km loop through forested ravine. The event includes an aid station, a youth discount, and is part of the Winter Trail Series.

Trail run at Redmond Watershed Preserve offering 5 mile and half marathon options on mostly wide, smooth trails. The half marathon repeats a 6.55 mile loop and includes two aid stations; a Winter Wonderland costume contest is part of the ev..

A forested loop at Seward Park offers 4.2 mile and 10k trail options as part of the Winter Trail Series, with an aid station near the start finish and a themed costume contest.

Experience the Vancouver Trail Run at Grouse Mountain with 10 mile and 50 mile mountain courses. Join this North Vancouver event to explore iconic Pacific Northwest trails.

Trail runs at St. Edward State Park offering 4 mile or 8 mile looped courses along singletrack and shoreline. It is the fifth event in the 2026/27 Winter Trail Series and includes an aid station and parking options.

Interlaken Icicle Dash features 5k and 10k trail loops through Seattle's wooded Interlaken Park as the final event of the 2026-27 Winter Trail Series, with on-course aid and street parking near 21st Ave E and E Interlaken Blvd.

A 100 mile trail race on Orcas Island run as four 25 mile loops through old growth forest and steep climbs. Variable winter weather and about 26,000 feet of elevation pair with extensive aid station support and looped race logistics.

A point-to-point 25K trail run near Bellingham, WA, through Larrabee State Park singletrack with ridgeline and lake views. The event features professional chip timing, a race shirt, and a finisher medal.