Trail Running calendar near Downtown Seattle 2026-2027

A free community trail running festival in Seattle on July 22, 2026, combining group runs, an expo with brands and vendors, food and a raffle. Run options include 4 miles or 6.5 miles and a city-specific T-shirt preorder is available.

Mountain trail races near Mt Rainier offering 50M, 50K and 25K courses with significant climbs, multiple aid stations and primitive camping at Ranger Creek Campground.

Run the Trestle in Maple Valley on July 25, 2026 offers a USATF sanctioned half marathon (13.1 miles), 10K and 5K on a hard packed limestone trail with shaded sections. Registration includes a race T shirt and a finisher medal.

A multi-duration trail event at Lake Padden with 2.6 mile loops, timed options of 6, 12, 24 and 32 hours, on-course aid, keepsakes, and awards.

Mountain races on Mount Ellinor in early August 2026. Two distances are offered: a 24 km skyrace with 1,600 m ascent and a 10 km forest loop with about 365 m ascent. The event is part of the Skyrunner World Series and USA series.

A loaded trail event at Esmeralda Trailhead in Cle Elum, Washington on August 1, 2026. Two options: a 13 mile route with 4,406 ft elevation gain and a 9 mile mini with 2,831 ft, each requiring a 20 lb dry load.

Stair races and walks at Stadium Bowl in Tacoma with one lap and two lap options, a Heroes Race with weighted vests, and proceeds supporting Kindred Souls Foundation. Open to participants aged eight and up with guardian supervision for mino..

Trail runs of 12K, 25K and 50K start at Fairhaven Park and loop through Larrabee State Park, featuring lakes, narrow ridgelines and views of Mt. Baker and Bellingham Bay. Courses include technical, rocky sections with multiple aid stations.

Experience the lush forests and single track trails of Bellevue in this eco friendly trail series. Choose from three distances ranging from a 5K to a full marathon while supporting King County Parks.

A road race on Whidbey Island through Ebey’s National Historical Reserve offering 5K, 10K and a half marathon on hilly, scenic roads. Proceeds support safe and sober graduation activities for Coupeville High School Class of 2027.

Tunnel Vision Marathon & Half Marathon on August 9, 2026 near North Bend WA features a mostly downhill, USATF certified rail-trail with about 1,000 feet net elevation drop and a marathon that qualifies for Boston.

Timed endurance event on August 15, 2026 in Lincoln Park, Seattle, where runners cover as many laps as possible on an about two-mile shoreline-and-forest loop. Features a team Battle of the Run Club, kids Loopy races, festival-style support..

A 24 hour festival of hourly five kilometer races at Kearin Family Farm in Bonney Lake, WA. Runners may complete between one and 24 laps and can camp on site while enjoying music, food, and games.

Olympic Mountains Trail Race Festival in Olympic National Forest offers 100K, 50K, 25K, 10K and ruck divisions on mountain single track and forest roads.

Looped 5K, 10K and half marathon on the paved Chambers Bay Loop Trail in University Place with varied terrain and bay views.

A community organized **5K** around Lake Padden in Bellingham on August 16, 2026, hosted by nonprofit Happy Tails Happy Homes. The mostly wooded course includes one brief steep section and three rolling hills; advance and limited race day r..

A two-day team trail relay at Crystal Mountain Ski Resort on August 21 and 22, 2026, featuring three National Forest loops, a mid-race gondola ride, and alpine views of Mt. Rainier. Multiple team formats and pricing tiers are available.

A point to point trail race in the Cascades with 50K and 50M options along Kachess Ridge, a high point at Thorp Mountain Lookout, and a finish at Salmon La Sac SnoPark with camping and post-race food.

Join this summer event at Magnuson Park in Seattle featuring traditional road races and an obstacle dash. Choose from distances ranging from a kids 400m to a 15k run in a beautiful Pacific Northwest setting.

A multi-distance trail weekend in early September 2026 through the Dark Divide Roadless Area in the Washington Cascades, featuring a 100 Mile race with a 48 hour cutoff, a new point to point 100K, a 50K and a 14 Mile Fun Run.