Trail Running calendar near West Seattle 2026-2027

Pigtails Run on May 9, 2026 in Maple Valley WA offers 50K, marathon and half marathon options on a riverside, wooded course. It is a low cost, low support makeup event marking its 20th year with a strict finish cutoff and a piggy medal.

The Elk/Beaver Ultras feature a fast, flat 10 km trail loop around Elk and Beaver Lakes near Victoria. The event offers four looped distances, from a 40 km walk to a 100 km run, on a precisely measured course. It's a historic race that has..

Trail races at Soaring Eagle Regional Park in Sammamish, WA, use Pipeline and winding forest trails. Distances range from kids races to a half marathon that repeats the 10K loop; registration closes May 15.

Experience a rugged trail race at Green Mountain featuring significant elevation and scenic summit views. Choose between 25k and 50k distances or join the official rucking division for a unique weighted pack challenge.

Experience the single track trails of the Issaquah Alps at Rattlesnake Ridge. Choose between 5k, 5.8 mile, or Half Marathon routes featuring forest climbs and scenic views of the Snoqualmie Valley and Mt Rainier.

A paved ultramarathon on the Foothills Trail in Puyallup, WA offering 50 mile and 50k options on May 23, 2026. The route features multiple aid stations, a 15 hour cutoff, finisher medals and sponsor-provided runner benefits.

A looped ultramarathon at Lake Youngs Watershed near Renton Washington offering distances from 50K to 200 mile. The course gains 900 feet per loop and the longest entries include an initial unsupported segment before joining the 100 mile fi..

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.

Trail races through the pine filled Teanaway Community Forest near Cle Elum, Washington. Options include 5k, 10k, half marathon and marathon on dirt roads and trails with varied elevation and staffed aid stations.

A trail event on Vashon Island offering 50K, 20 mile and 10 mile courses through Island Center Forest, with staffed aid stations, drop bag access, a team competition and a youth-certified program.

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.

FORGE is a 12-hour backyard ultra in Washington. Runners complete a 4.167-mile loop every hour on the hour, with a total of 50 miles possible. The format tests endurance and pacing on a flat, unshaded course.

Trail races on the east flank of Tiger Mountain near Issaquah, WA, offering 5k, 12.6k and a 13.56-mile Half Marathon on well-marked loop courses with aid stations, parking at a DNR trailhead, and youth discounts.

Loop the 'Lupe! offers a unique mix of obstacle course challenges and family friendly runs in Seattle. Choose from competitive elite waves, a simpler family course, or flat walking events, all supporting local community outreach. Everyone g..

Experience a friendly, low cost marathon or relay along the Green River and Interurban trails ending at Alki Beach. This community event offers distances from a half marathon to a 50K with views of the Puget Sound.

Trail races on Orcas Island offering 50K, 25K, and a Double 75K over varied single track and old growth forest. The start and finish are at Doe Bay Resort with aid stations, drop bags, on site camping options, and required ferry reservation..

Lumberjack 100 is a multi distance ultrarun in Port Gamble, Washington with eight 12.5 mile loops. Options include 100 mile, 100K, and 50 mile distances, with three aid stations per loop and on course drop bag support.

A fast, mostly downhill marathon and half marathon through the Snoqualmie Tunnel on packed gravel. The marathon is a Boston qualifier and both races include aid stations and shuttle service back to Hyak Sno-Park.

A USATF certified net downhill marathon and half marathon through the Snoqualmie Tunnel corridor in Snoqualmie Pass, WA on June 13, 2026. Ranked #22 nationally for Boston qualification, the event includes professional timing and live tracki..

A Last Person Standing trail race in Japanese Gulch near Mukilteo, WA, run on a 2.18 mile forest loop with steadily shrinking time cutoffs until one runner remains. Full aid is provided and part of registration funds trail improvements.