Trail Running calendar near Roslyn 2026-2027

A trail race near Issaquah, WA offering 50K, half marathon, 5 mile and kids races across Tiger Mountain trails with steep climbs, ridge running, aid stations and finish‑area food.

Trail out and back on the Sammamish River Trail from Bothell Landing offering a half marathon, a full marathon and a 50K. Water and snacks are available and finishers receive a wooden medal.

A multi-distance road race around Soaring Eagle Park in Sammamish commemorating the nation's 250th birthday, with aid stations every 2.5 miles, shaded course, commemorative medals and T shirts for participants.

An evening trail loop at Seward Park on July 7, 2026, through old growth forest with options of 4.2 mile or 10k. The course includes a twisty rooty section, an aid station, and participation in a Tuesday night series with youth entries.

Devil's Gulch is a trail race at Mission Ridge offering half marathon, 50 mile and 100 mile courses through Ponderosa forest with large elevation gain, technical single track, rock formations and aid stations.

Trail runs near Yakima, WA with 25K and 12K out and back single track courses. The 25K has over 3500 ft of climb, aid stations and medals for top finishers, with post race refreshments provided.

Experience the lush forests and rolling hills of Cougar Mountain Regional Wildland Park at this trail event near Seattle. Choose between 5k, 10.8 mile, and 19.5 mile distances on varied terrain ranging from technical to groomed trails.

Mud Mountain Trail Fest is a trail running event at Mud Mountain Dam in Enumclaw, Washington on July 11, 2026. It offers a 4 Miler and a 10K on forested trails described as moderately challenging.

An all-ages glow run through the Snoqualmie Tunnel on the Palouse to Cascades trail with LED lighting, two participant waves, onsite merch options, and a post-race outdoor block party with food, games and drinks.

A 5K trail run and walk on Tiger Mountain with an out and back route over unpaved roads and a short cross country section. The event is clothing optional and is sponsored by Tiger Mountain Family Nudist Park.

Trail races at Crystal Mountain near Mount Rainier on July 17-18, 2026 offer a half marathon, a downhill 10K, and an uphill 5K hill climb, with all day gondola access and on site camping options.

A 100 mile endurance race through Washingtons Cascade Mountains centered in Easton, with forested and rugged trails and a long-standing volunteer and radio operator community. Finishers under 32 hours may qualify for a Western States lotter..

A roughly 3-mile obstacle trail run at Joint Base Lewis-McChord on 18 July 2026, with waves of 25 released every five minutes and entry capped at 1,500. Packet pick-up includes a shirt, medal, bib and a post-race beverage ticket.

A Tuesday Night Trail to Grill series run at St. Edward State Park featuring a 4.2 mile loop or an 8.6 mile double-loop on varied single track and wider trails, with an aid station offering drinks and snacks.

A free community trail running festival in Seattle on July 22, 2026 featuring a group run, expo, vendors, food, and a raffle. Check in at Seven Hills Running and choose a roughly 4 mile or 6.5 mile route.

A mountain trail event near Greenwater, WA on July 25, 2026 offering 50 Mile, 50K and 25K courses with significant elevation, technical single track and staffed aid stations. Camping is available at the Ranger Creek Campground.

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 races of 5k, 14.5 miles and 26.2 miles take place in King County's Cougar Mountain Regional Wildland Park near Seattle. The event includes aid stations on course, supports King County Parks, and participates in a youth trail series.

A USATF-certified marathon and half marathon near Snoqualmie Tunnel with about 1,000 feet net downhill and a packed gravel surface. The marathon is a Boston qualifier and the event includes chip timing, aid stations, and shuttle service.