Trail Running calendar near Sumner 2025-2026

Corn Maze Craze, part of Northwest Trail Runs, takes place at Bob’s Corn & Pumpkin Farm in Snohomish, WA. Runners choose between a 5k and a 7k course, with the 5k one maze lap and the 7k two laps, plus farm roads. Distances are around 3.3 and 4.6 miles.The maze route is clearly marked, with aid stat..

Brown Bear Salmon Run is a trail race held at Snoqualmie Pass, Washington, hosted by Evergreen Trail Runs in partnership with Brown Bear Car Wash. The single-distance event covers 15 kilometers on a mix of scenic singletrack and Forest Service/ski-area roads, with rolling ridges near the Snoqualmie..

Plain Endurance Runs take place in Plain, a town in Eastern Washington. The event offers two options: the Plain 100 and the Plain 100K (one loop). The atmosphere is starkly self-reliant: no pacers, no course markings, and no routine aid stations; volunteers staff checkpoints, but runners are left to..

Coal Miner is a rugged, self-supported ultramarathon held in Roslyn, Washington. The 51.3-mile course climbs about 10,100 feet, linking Cle Elum Ridge, Sasse Ridge, Jolly Mountain, Jolly Creek, and the Middle and West Fork Teanaway rivers before looping back to Roslyn via the Big Sandy Trails. The e..

Tunnel Light Marathon is a marathon in Washington state, running from Snoqualmie Pass to North Bend. It is a point-to-point, USATF Boston Certified course (WA21010RMB) with a downhill grade of about 2.2% and a total elevation loss of just over 2,000 feet, making it one of the fastest courses in the..

Cirque Series at Crystal Mountain, Washington, offers a 7.7-mile mountain race with 2,544 feet of elevation gain. The course begins in the base area, climbs Kelly’s Gap service road for about 1.7 miles to Green Valley, then ascends Grubstake to the high point at 6,861 feet. Runners traverse a ridge..

Ultra Fest in Easton, WA is a reimagined Cascade Super Ultra organized by Run Super Series. The racecourses run along the Foothills Trail in Washington’s Central Cascades, offering fast-ish, flat-ish gravel routes framed by rivers, forests and mountain scenery. Distances include 100M, 100K, 50M, 50K..

The Return of the Salmon Celebration - Salmon Run is held at Osprey Park in Sultan, Washington, celebrating the cultural heritage of the Skykomish River Valley and honoring Chief T'seul-Ted. The event features a scenic 5K trail run through the beautiful forest trails of Osprey Park and Susie's Trail..

Mother RUCKer - 10K RUCK CHALLENGE is held in Eatonville, Washington, at Bud Blancher Trail Head (480 Weyerhaeuser Rd S). The event features a 10K ruck on a trail course, with participants including ruckers, walkers, and dogs; kids 12 and under are free. The atmosphere is community-driven and outdoo..

The Golden 6 Hour is a scenic endurance running event held in Cle Elum, Washington, featuring a 2.45-mile single-track loop on the Swauk Forest Discovery Trail near Blewett Pass. Set amidst vibrant fall colors and turning larches, the course offers mountain views and a festive autumn atmosphere. Par..

The North Bend Trail Fest, held in North Bend, Washington, is a dynamic mountain running event showcasing the Snoqualmie Valley's outdoor offerings. The festival features multiple races, including the challenging North Bend Skyline 30k with 6,600 feet of vertical gain, the intense Mt Si Vertical Kil..

Middle Fork Trail Run, held near North Bend, Washington, starts at the Middle Fork Trailhead and takes participants onto the Middle Fork, CCC, and Snoqualmie Lake trails. Runners choose from four distances: 50k, 22-mile, Half Marathon, and 10k. The courses follow river valleys with modest climbing a..

Mad Meadows 50 is Evergreen Trail Runs’ new fall ultramarathon near Leavenworth, Washington, on the high-elevation Mad Meadows course along the Chiwawa and Mad Rivers. It offers two distances: 50K and 50M, with elevations topping 6,000+ ft for the 50K and 7,000+ ft for the 50M. Runners are treated t..

Orca Recovery Day 5K Trail Run is a community event held at Clark's Creek Park South in Puyallup, WA, now in its 3rd annual edition. It offers a 5K trail course described as mild to moderately challenging, blending fitness with conservation education as participants learn about Orca recovery and sal..

The 4th Annual Fall Classic takes place on Saturday October 11, 2025, at PLU Meadows Disc Golf Course, 754 124th St S, Tacoma, WA 98444. The race offers 1K Kids run and a 5K for participants, with youth and high school cross country races following. The course is described as mostly flat with a few..

The North Bend Skyline 30K is a challenging trail running event held in the scenic Snoqualmie Valley near North Bend, Washington. As part of the Vert Running Series Championship, it features a demanding course that tests runners' limits while offering stunning views of the valley and Cascade Mountai..

Run With The Kokanee is a fall running event held at Lake Sammamish State Park in Issaquah, Washington. It features flat and fast 5k and 10k distances, with the 10k consisting of two loops of the 5k course. The route is about two-thirds paved sidewalks and paths, and one-third dirt or grassy trails,..

The West Seattle Monster Dash is an annual costumed 5K trail run/walk held at Lincoln Park in Seattle, WA. The 14th edition takes place in October 2025 and features a 5K Run/Walk, a Kids Monster Dash for children 12 and under, and a "Just a Shirt!" option. Participants receive a t-shirt with the ico..

Endless Trails’ Carkeek 12-Hour returns for its 19th edition at Carkeek Park in Seattle, Washington, offering in-person and virtual options. Runners choose between a 12-hour or 6-hour race, looping a 1.93-mile course with about 436 feet of elevation gain per lap, featuring rolling trails, stairs, an..

Cougar Mountain Trail Run Series, held near Seattle in King County’s Cougar Mountain Regional Wildland Park in Newcastle, WA, offers four distances: 5K, 7.6 miles, 19.5 miles, and 50K. The course features rolling hills through a lush forest, fern-lined single-track, and marshy sections, with a mix o..