Trail Running calendar near Olympia 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 trail run or walk near Mossyrock Park offering a choice of a 5K or an 8K Hill Challenge that crosses Mossyrock Dam and features Riffe Lake views, mixed terrain, stroller-friendly sections, and age-based entry fees.

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.

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.

A weekend of mountain trail races at Crystal Mountain near Mount Rainier with a half marathon, downhill 10K, and uphill 5K. Registration includes an all day gondola pass and on site expo, camping, and sustainability policies.

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 trail ultramarathon near Greenwater, WA with 50M, 50K and 25K options on mostly single track. Routes start and finish at Ranger Creek Campground with significant elevation gain and multiple aid stations.

A remote trail event around Mt St Helens offering 50K and 25K courses over lava fields, boulder terrain, rivers, and forest. The 50K requires a prior trail 50K and mandatory safety gear.

Two days of mountain running on Mount Ellinor near Hoodsport, Washington, with a 24 km Skyrace featuring 1,600 m of ascent and a 10 km Forest Loop. The event is North America’s stop on the Skyrunner World Series and part of the USA series.

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.

Bigfoot 200 is a point to point 200 mile endurance run near Mount St. Helens, featuring volcanic terrain, ridge lines, old growth forests and numerous stream crossings. The course is supported by 13 aid stations including six sleep stations..