Trail Running calendar near Renton 2025-2026

The Beast of Big Creek is an exhilarating mountain running event set in the stunning Olympic Mountains of Washington. Participants can choose between two race distances: a challenging 22K (14 miles) Skyrace, which features over 5,200 feet of elevation gain to the summit of Mount Ellinor, and a short..

The Cougar Mountain Trail Run Series #4 is set to take place on August 9, 2025, at King County’s Cougar Mountain Regional Wildland Park in Newcastle, WA. This event features three race distances: 5k, 14.5 miles, and 26.2 miles, catering to a variety of trail running enthusiasts. The series has a str..

Race the Reserve Whidbey Island is a scenic running event taking place in Coupeville, Washington, on Whidbey Island. Participants can choose from various distances, including a 5k, 10k, half marathon, and a virtual race option. The course offers breathtaking views as runners traverse Ebey's Prairie..

Twilight at the Bay is an exciting running event taking place at Chambers Bay in University Place, Washington. Participants can choose from three race options: a half marathon, a 10k, and a 5k, each offering a unique experience on a beautifully paved loop trail with stunning views of the bay. The co..

The Olympic Mountains Trail Races, organized by Mountain Peaks Racing, will take place on August 16-17, 2025, in the stunning Olympic National Forest. This event features three challenging race distances: a 100K, 50K, and 25K, each showcasing the breathtaking scenery and rugged terrain of the Olympi..

The Paradise Valley Trail Run, organized by Northwest Trail Runs, offers a scenic running experience in the Paradise Valley Conservation Area, Woodinville, WA. Scheduled for August 23, 2025, participants can choose from three distances: 5k, 10k, and a Half Marathon. The trails feature a mix of wide..

The Goat Rocks Stage is a thrilling 50-mile, two-day running event set in the stunning Goat Rocks Wilderness, located between Mt. Rainier and Mt. Adams.This challenging stage run is designed for experienced runners, featuring rugged terrain, narrow ridgelines, and breathtaking views of ancient volca..

The Dark Divide Trail Races, scheduled for September 5-7, 2025, offer an exhilarating experience in the stunning landscapes of the Dark Divide Roadless Area in Washington. Participants can choose from four race distances: the challenging 100 Miler, the newly introduced 100K, a 50K, and a 15 Mile Fun..

Beat the Blerch is a fun and engaging running event featuring a 5K, 10K, half marathon, and full marathon, inspired by a comic from The Oatmeal. Scheduled for September 6, 2025, in Carnation, Washington, the race takes place at Tolt MacDonald Park, offering a scenic flat course through lush forests..

The Cascade Express Marathon & Half Marathon, scheduled for September 6, 2025, in North Bend, WA, features two scenic races: a 26.2-mile marathon and a 13.1-mile half marathon. Both courses are renowned for their fast, downhill routes, making them ideal for achieving personal records or qualifying f..

The GOAT Run, taking place in Port Angeles, WA, is an exciting trail running event featuring a half marathon, marathon, and 50K race. Set against the stunning backdrop of Olympic National Park, participants will traverse the scenic Olympic Adventure Trail, culminating at the beautiful Lake Crescent...

The Brown Bear Salmon Run is an exciting running event taking place at Snoqualmie Pass, Washington, featuring a scenic 15K course. This race, set for September 13, 2025, is designed for both seasoned runners and newcomers, offering a mix of singletrack trails and Forest Service roads. Participants c..

The Plain Endurance Runs is a challenging running event held in the scenic Cascade mountains of Washington, featuring a 100-mile and a 100K race. Participants navigate approximately 85 miles of trails and 20 miles of forest service roads, with a total elevation gain/loss of around 21,000 feet. This..

The Cirque Series - Crystal Mountain is an exciting running event set for September 20, 2025, featuring a challenging 7.7-mile course with an elevation gain of 2,544 feet. The race begins at the Crystal Mountain base area and includes a mix of rugged terrain and stunning views, including the highest..

Ultra Fest is an exciting running event taking place in Easton, WA, featuring multiple ultra-distance races including 100M, 100K, 50M, 50K, and 25K. Set against the stunning backdrop of the Central Cascade Mountains, participants can expect a fast and mostly flat course, ideal for both first-time ul..

The Return of the Salmon Celebration - Salmon Run is a vibrant event celebrating the cultural heritage of the Skykomish River Valley. Scheduled for September 27, 2025, at Osprey Park in Sultan, WA, the event features a scenic 5K trail run and a leisurely 1-mile "Fin" walk along the beautiful Sultan..

The Fidalgo Trail Run is a scenic running event held in Deception Pass State Park, Washington, known for its stunning views and diverse terrain. Participants can choose from three distances: a 5-mile run, a half marathon, or a full marathon, all starting and finishing at Bowman Bay. The course featu..

The Baker Lake Classic 25k is a scenic trail running event set in the picturesque Mt. Baker-Snoqualmie National Forest. Scheduled for October 5, 2025, this 15.6-mile race features a point-to-point course that runs along the eastern shoreline of Baker Lake, showcasing stunning views of old-growth for..

The Mad Meadows 50 is an exciting new trail running event set to take place in Leavenworth, Washington, on October 11, 2025. Participants can choose between two challenging distances: a 50K and a 50-mile race. The course features a mix of smooth single track, steep climbs, and technical sections, al..

The North Bend Trail Fest, taking place on October 11-12, 2025, in North Bend, Washington, is a vibrant celebration of outdoor sports and mountain adventures. The event features a variety of races, including the challenging Mt Si VK, the North Bend Skyline 30k, and the Little Si 10k, catering to run..