Hamster Endurance Runs

Lake Padden Park 4882 S Samish Way, Bellingham, WA, United States

Produced by Walla Trails and Community, test yourself at the Hamster Endurance Run 6/12/24/32 hour on the well-marked 2.6 mile trail that circumnavigates Bellingham's Lake Padden.

Volcanic 50km

Marble Mountain Sno Park NF-83, Cougar, WA, United States

Hosted by Go Beyond Racing, Volcanic is a rugged, remote, and challenging 50K+ and a 25K on an active volcano (Mt. St. Helens) in Washington state.

Beast of Big Creek Trail Races

Big Creek Campground Hoodsport, WA, United States

Produced by Rock Candy Running, Beast of Big Creek is a mountain race to the summit of magnificent Mount Ellinor in the Olympic Mountains as well as the International Skyrunning Federation's only certified Skyrace course in the United States.

Seattle Running Club Sunday Trail Run

Join Seattle Running Club for Sunday morning trail runs on different local trails for ~10miles and ~3000′ of gain. We’re nice, come on out!

Volcanic 25km

Marble Mountain Sno Park NF-83, Cougar, WA, United States

Hosted by Go Beyond Racing, Volcanic is a rugged, remote, and challenging 50K+ and a 25K on an active volcano (Mt. St. Helens) in Washington state.

GBRC Weekly Trail Run

Bellingham Bellingham, WA, United States

Join the Greater Bellingham Running Club for a Monday “all paces” trail run at varying locations around the greater Bellingham area.

Interlaken Ice Cream Dash

Interlaken Park E Interlaken Blvd & 21st Ave E, Seattle, WA, United States

Hosted by Northwest Trail Runs, the Tuesday Night Trail to Grill series offers an opportunity to enjoy the long days of summer and get your trail fix on a weeknight. Distances range from 4 kilometers to 10 miles. Come make the most of summer evenings, and put these fun runs on your calendar!

Fleet Feet Tuesday Fun Runs

Fleet Feet Seattle Cap Hill 911 E. Pine Street, Seattle, WA, United States +1 more

Join Fleet Feet in Capitol Hill or Ballard for 3 to 6+ mile all paces runs.

Run Hub Wednesday Group Run

Run Hub Northwest 515 High Street, Eugene, OR, United States

Join Run Hub for 3-mile and 5-and-a-half mile loops on Pre’s Trail (summer) and Willamette River path, for 3 or 5.5 miles (winter).

Seattle Running Club Wednesday Night Workout

Garfield High School Track 537 25th Ave, Seattle, WA, United States

Join weekly track and hill workouts with the Seattle Running Club at the Garfield High School track and other locations.

Wy’east Trailfest

Mt Hood Meadows 14040 Highway 35, Newberg, OR, United States

Hosted by Daybreak Racing, Wy'east Trailfest features a trio of world-class mountain trail races on some of Mt. Hood’s most diverse and famous terrain, offering 50K, 28K & 14K loop-style courses!

Cougar Mountain Trail Run Series #4 5K | 14.5 Mi | 26.2 Mi

Sky Country Trailhead 7077-7181 Clay Pit Rd, Bellevue, WA, United States

Hosted by Seattle Running Club and Northwest Trail Runs, the Cougar Mountain Trail Series supports King County Parks. The Cougar Mountain courses gradually get longer throughout the series. Run through a lush forest of fern-lined single-track trails.