Trail Running calendar near Arlington 2026-2027

The Dirty Turtle 25/50k offers tough trail runs with big views on Green Mountain. Tackle the rugged 50K or try the popular 25k ruck option with a weighted pack. Camp onsite and enjoy post race food and camaraderie.

Experience the epic trails of Mission, British Columbia, with a variety of trail running distances including 8 km, 15 km, and 30 km. Tackle tough climbs and fast downhills in the beautiful Bear Mountain Park.

The Freedom 50 is an ultramarathon on Washington's scenic Foothills Trail, offering 50-mile and 50k distances. Starting in Puyallup, it features a paved course with a 15-hour cutoff. All finishers earn a custom medal and receive sponsor gif..

The Pigtails Challenge is a multi-distance ultramarathon on a rolling 9.4-mile loop at Lake Youngs Watershed. Distances range from 50k to 200 miles, with supported aid stations and meal service. It's a test of endurance on a shared, non-tec..

Experience a forested trail run through a scenic Seattle ravine with 4k, 8k, and 12k options. Enjoy groomed trails and a post race grill session featuring hot dogs and watermelon at Ravenna Park.

The Run for Water Trail Race will take place in Abbotsford on Saturday 30 May 2026. You can run between 10 and 50 kilometers.

Test your endurance at Rolley Lake Provincial Park with an 8 hour loop challenge through technical forest trails. Run as many 8 km laps as you choose on a scenic course featuring waterfalls and lake views.

Join the Vedder Mountain Challenge at Cultus Lake for a weekend of 15 km and 35 km trail runs or a unique multisport race featuring paddle, bike, and run.

Explore technical trails and scenic climbs in the Sooke Potholes Regional Park. Race through the hills on established 25 km or 50 km routes featuring backcountry aid stations and custom apparel.

Choose your challenge in this timed ultramarathon on a scenic 1.75-mile loop around Lake Tye. Runners complete as many laps as possible within 12, 6, or 3 hours, supported by a full aid station. The event is a fundraiser supporting local tr..

This established trail run on Vashon Island offers 50K, 20 mile, and 10 mile distances through scenic, rolling park trails. The volunteer organized event emphasizes community, inclusivity, and support for youth athletics. Be sure to plan yo..

Experience a scenic 50 mile team relay from the foothills of Mount Rainier to the Tacoma waterfront. Join a team of 2 to 6 runners for an adventure ending at a seaside finish line celebration.

Trail races on Tiger Mountain State Forest near Issaquah offering 5k, 12.6k and half marathon loop courses with varied terrain, aid stations on longer routes, and start and finish at the DNR trailhead.

Celebrating its 30th year, the Green River Marathon is a free, volunteer-run event in early June. It features a flat, scenic course from Kent to Seattle's Alki beach, with marathon, half marathon, 50K, and relay options. The community focus..

Run through the old-growth forests of Orcas Island on a challenging trail course with significant elevation gain. The event is a full weekend experience based at the scenic Doe Bay Resort, complete with a post-race celebration.

Event Overview The Lumberjack 100 is a trail running event in its 15th year, taking place at the Uplands in Port Gamble, Washington. It offers three race distances: 100 miles, 100 km, and 50 miles. Course Details All distances are run on an..

Light at the End of the Tunnel Marathon The Light at the End of the Tunnel Marathon takes place in Washington, starting from Snoqualmie Pass and finishing in North Bend. For 2026, the event will follow an alternate, fully permitted route du..

Race down the scenic Palouse to Cascades Trail at the Super Hyak Marathon & Half. This point-to-point course features a iconic 2.4-mile tunnel and smooth downhill grades, making it a Boston Qualifier. Runners receive shuttle service, a tech..

Experience lush single track trails and rolling hills at Bellevue’s Sky Country Trailhead with race distances including a 5K, 8.2 miles, and 14.5 miles.

Experience diverse trails and lush forests at Cougar Mountain Regional Wildland Park. Choose from three distances ranging from a 5k to 14.5 miles just minutes from Seattle.