Trail Running calendar near Sammamish 2026-2027

Tiger Peak Challenge The Tiger Peak Challenge is a trail running event on Tiger Mountain, located near Issaquah, Washington. The event offers three distances: a 5-mile, a half marathon, and a 50K race. The courses involve running on trails..

The Needles 50k is a self-supported, unmarked mountain ultramarathon loop near Easton, WA, with 10,000 feet of climbing. Runners must navigate using a provided GPX file and carry all their own supplies, treating water from creeks. A 50-mile..

A day of road trail racing on the Sammamish River Trail offering a half marathon, marathon and 50K out and back from Bothell Landing Park. The route passes Wilmot Gateway Park and turns at Dr Call's Bench.

Experience the lush single track trails of Bellevue at this cup free event featuring 5K, 10.8 mile, and 19.5 mile distances while supporting the maintenance of King County Parks.

Run through the forests and meadows of Crystal Mountain with views of Mount Rainier. This July 2026 trail event features downhill half marathon and 10K courses, plus a steep 5K hill climb. The weekend includes a race expo, gondola access, a..

The Cascade Crest 100 is a legendary Washington trail run featuring over 23,000 feet of climbing on the PCT. The course passes through the long Snoqualmie Tunnel and requires participants to complete trail work and a race qualifier. It is k..

Dirt Circus Seattle is a free community festival celebrating the local trail running scene. It features a social group run, followed by food, an expo, and a raffle with prizes. The event is held at Seven Hills Running Shop, connecting runne..

Experience mountain racing on the Olympic Peninsula at the Beast of Big Creek. Summit Mt. Ellinor in the 22K Skyrace or explore lush rain forests on the 8K Forest Loop in Hoodsport, Washington.

The August event of the Cougar Mountain Trail Run Series offers three distances on scenic, forested trails. This community-focused run supports local parks and is part of a popular summer series. Participants should bring their own water bo..

A marathon and half marathon near Hyak at Snoqualmie Pass on August 9, 2026. The 2026 route uses an alternate permitted course with about 1,000 feet of net downhill on packed gravel and the marathon is a USATF-certified Boston qualifier.

Set in Washington's Olympic National Forest, this August weekend offers trail races from a 10K to a 100K, including ruck divisions. Courses feature significant elevation on scenic single-track trails. Registration opens in January with disc..

Run the scenic, paved loop at Chambers Bay during twilight hours. Choose from a half marathon, 10k, or 5k distance on a course with rolling hills. This USATF sanctioned event is part of the Run Super Series.

The Dark Divide Trail Races offer a wild adventure in the remote Washington Cascades. Runners can choose from a 100 miler, 100K, 50K, or 15-mile race on steep, technical trails. The event features a challenging course, qualification require..

Experience the beauty of the Olympic Peninsula with a trail run finishing at the stunning Lake Crescent. Choose from 50K, marathon, or half marathon distances along the scenic Olympic Adventure Trail.

Experience a fast downhill point to point race on the gravel Palouse to Cascades Trail featuring mountain views and the famous 2.4 mile Snoqualmie Tunnel.

Beat the Blerch offers a 5K, 10K, half marathon, and marathon on a flat, scenic course near Seattle. The event starts at Tolt-MacDonald Park and runs through the forests of the Snoqualmie Valley.

Coal Miner is a rugged, self-supported 51.3-mile trail run through the mountains near Roslyn, WA. With no course markings and minimal aid, it demands strong navigation skills and mountain readiness. Finishers must provide summit selfies and..

McCormick 24 challenges runners on a hilly 2-mile loop in Gig Harbor. Choose from 24-hour, 12-hour day, or 12-hour night formats to test your endurance. Everyone gets an award, with a special buckle for those who conquer 100 miles.

Run through the historic Snoqualmie Tunnel on a fast, downhill course built for speed. This USATF certified marathon is a renowned Boston qualifier, set against stunning Pacific Northwest scenery. Registration includes shuttle service, prof..

Experience a 7.9 mile mountain race at Crystal Mountain featuring a 2614 foot vertical gain. Runners reach a high point of 6861 feet at Grubstake while enjoying views of Mt Rainier and the Cascade Range.