Trail Running calendar near Bellevue 2025-2026

The Seward Sizzler Trail Run is a scenic running event held in Seward Park, Seattle, featuring a 4.2-mile and a 10k course. Participants can enjoy the beauty of the park, known as “The Magnificent Forest,” which boasts over 100 acres of old-growth trees and diverse native plants. The run offers a lo..

The Cougar Mountain Trail Run Series #3 is set to take place at King County’s Cougar Mountain Regional Wildland Park in Newcastle, WA. This event features three race distances: 5k, 10.8 miles, and 19.5 miles, providing options for runners of various skill levels. The series has a strong community fo..

Kill Bill's Oyster Dome Challenge is an exciting endurance event held in Blanchard Mountain, WA, featuring two race distances: 25k and 50k. The course, known for its challenging climbs, pays homage to local ultra runner Bill Ball, originally dubbed "Kill Bill Hill." Participants will traverse scenic..

The Mount Rainier Half Marathon & Trail Events will take place on July 18-19, 2025, at Crystal Mountain Resort in Enumclaw, Washington. This scenic race offers participants a chance to experience the breathtaking beauty of the Cascade Range, featuring a mix of towering forests, alpine meadows, and s..

Cascade Crest is a renowned 100-mile trail running event held in Easton, WA, known for its challenging terrain and scenic beauty. Participants can expect over 23,000 feet of elevation gain, including sections on the Pacific Crest Trail and the unique experience of running through the 2.3-mile Snoqua..

The Dirt Circus - Seattle will take place in Downtown Seattle on Wednesday 23 July 2025.

The Beast of Big Creek is a thrilling 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 shorter 8..

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..

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 offering breathtaking views and significant elevation gains. The 100..

Twilight at the Bay is an exciting running event taking place at Chambers Bay in University Place, Washington. Participants can choose from three race distances: a half marathon, a 10k, and a 5k, each offering a unique experience on a beautifully paved loop trail. The course features a mix of flat s..

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 various distances, including the challenging 100 Miler, the newly introduced 100K, a 50K, and a 15..

The Finlayson Arm event, taking place in Victoria, BC, offers an exhilarating trail running experience on Canada's West Coast. Participants can choose from three challenging distances: 28k, 50k, and 50 miles, featuring significant elevation gains and stunning views. The course includes a mix of sing..

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 Great Olympic Adventure Trail, culminating at the picturesque Lake Crescent..

The Cascade Express Marathon & Half Marathon, scheduled for September 6, 2025, in North Bend, WA, features two scenic courses renowned for their speed. The marathon offers a 26.2-mile route with a 1,500-foot net downhill, making it one of the top Boston Qualifier courses in the country. Runners will..

The Brown Bear Salmon Run is an exciting running event taking place at Snoqualmie Pass, Washington. Scheduled for September 13, 2025, this race features a scenic 15K course that showcases the stunning landscapes of the area, known for its winter skiing and summer recreational activities. Participant..

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. Starting at the Crystal Mountain base area, participants will navigate rugged terrain, including the Kelly’s Gap service road an..

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 Moran Constitutional Relay is a challenging 70-mile relay race held at Moran State Park on Orcas Island. Teams of two to six runners tackle a course divided into 12 legs, showcasing diverse terrains such as forests, lakeshores, and the summit of Mount Constitution. Each leg varies in distance an..