Suttle Lake Trailfest

Welcome to the Suttle Lake Trailfest! Join us for an exciting weekend of camping and adventure on the breathtaking trails surrounding Suttle Lake. Experience the beauty of Fall as you participate in our 24-hour, 12-hour, and 6-hour events. Enjoy free camping, food, and a fantastic atmosphere filled with fun! The course is a 3.6 mile […]
Alpine Solstice

Welcome to Alpine Solstice! Set on one of the longest days of the year, this early summer race is a great way to start off mountain season. Classic Bend smooth single track awaits you in June! Join us for a fun day in the Cascades as we welcome in summer. 55KThe Alpine Solstice 55K is […]
Smith Rock Classic

Welcome to the Smith Rock Classic! Join us for our springtime 50 mile, 50K, and 10 mile races that showcase the beauty of Smith Rock State Park. The towering basalt cliffs and views of the nearby Cascade range await you as you travel in and around the park. The courses also include miles in the […]
Elkhorn Crest

Get ready for the Elkhorn experience! Our favorite race is back after a three-year hiatus, and it’s more thrilling than ever. Set against the stunning backdrop of the Elkhorn Mountains in Oregon, this one-of-a-kind adventure promises breathtaking views and unforgettable moments. With a challenging 53-mile course that rivals the intensity of a 100K and a […]
Incline Vista

Welcome to Incline Vista! The first trail race on Cline Butte – a local favorite and one of the best viewpoints in Central Oregon. With a 360 degree view of the Cascades to the west and Smith Rock and Ochoco Mountains to the east, this will be a fun early season opener. The 20M course […]
Big 4 Trail High-Five Classic

Big 4 Trail High-Five Classic 4, 8 & 12 Miler The Big 4 Trail High-Five Classic invites runners of all levels to celebrate the spirit of trail running on scenic terrain. Choose your distance: 4, 8, or 12 miles, and experience a course that blends wooded areas and paved rail-to-trail with open views that showcase […]
Byers Peak Stampede Half Marathon & 5K

Leave the pavement behind and hit 100% unpaved roads and trails in the breathtaking Rocky Mountains—just an hour from Denver. Whether you’re tackling the Half Marathon or joining in on the 5K, you’ll enjoy challenging terrain, fresh mountain air, and jaw-dropping views at every turn. All abilities are welcome, from first-time racers to seasoned trail […]
Carkeek Cooler Trail Run

Join us for a 5k or 10k trail run at Carkeek Cooler, the first event in the 2026-27 Winter Trail Series! One perk of the Pacific Northwest’s winter drizzle is that places like Carkeek Park are lush and green, brightening up even the grayest of days. Plus, our bountiful water gives us stunning views, such as the sight of […]
Moran Constitutional Relay

The Moran Constitutional Relay is a challenging 70-mile course with 12 legs for teams of two to six runners on the breathtakingly beautiful trails of Moran State Park on Orcas Island. The park, situated in the San Juan Islands a little over three hours from Seattle, is world renowned for its scenic beauty. The relay legs tour […]
Cougar Mountain Trail Run Series #4

Thanks to runners like you, this series has raised over $250,000 for King County Parks and contributed many hundreds of hours of trail work. Join Seattle Running Club and Northwest Trail Runs in carrying this legacy forward and making this 21st annual series bigger and better than ever! Just 15 minutes from Seattle, King County’s Cougar Mountain […]
Cougar Mountain Trail Run Series #3

Thanks to runners like you, this series has raised over $250,000 for King County Parks and contributed many hundreds of hours of trail work. Join Seattle Running Club and Northwest Trail Runs in carrying this legacy forward and making this 21st annual series bigger and better than ever! Just 15 minutes from Seattle, King County’s Cougar Mountain […]
Seward Sizzler Trail Run

Situated on a peninsula surrounded by Lake Washington, Seward Park provides perhaps one of the greatest contrasts in Seattle: 100+ acres of old growth forest, just minutes from the city center. The run route follows a loop that is almost entirely in the forest, so there is ample opportunity to enjoy what the Friends of […]
Carkeek Warmer Trail Run

Carkeek is home to six miles of fun, roller-coaster trails that traverse the forest! The trails range from wide and rolling, to narrow and steep. If ever you’re feeling like the climb is tough, remember that you get to fly back down!
Cougar Mountain Trail Run Series #2

Thanks to runners like you, this series has raised over $250,000 for King County Parks and contributed many hundreds of hours of trail work. Join Seattle Running Club and Northwest Trail Runs in carrying this legacy forward and making this year’s series bigger and better than ever! Just 15 minutes from Seattle, King County’s Cougar Mountain Regional […]
Woodland Park Zoom

The Woodland Park Zoom course is a novel departure in character from many of our other events. The course has a savanna-like feel, touring the many open and lightly-wooded areas of the park, as well as looping the sports fields and traversing the trails through the more deeply-wooded ravines. The profile varies from flat, to […]
Tiger Mountain Trail Run

Tiger Mountain is the crown jewel of the Issaquah Alps, and the Tiger Mountain Trail Run will offer an excellent tour of this vast and magnificent State Forest. This event offers a quintessential Pacific Northwest trail running experience at what may be Seattle-area trail runners’ favorite playground, with fantastic and well-marked loop courses at a variety […]
The Teanaway Trail Run

It’s always sunny in Teanaway! Purchased by Washington State in 2013, Teanaway Community Forest is the first of its kind in the state of Washington. Its unique designation is meant to protect this wild forest land while giving local groups a say in the land’s management and is a testament to the passion that outdoor […]
Ravenna Run the Ravine

Nestled just north of the University District, Ravenna Park is a forest-filled ravine that serves as a green retreat for city dwellers. According to Seattle Parks & Recreation, a local realtor named Ravenna Park after “an Italian seacoast town that was famous for its pine trees, where poets, warriors, and statesmen once strolled in a […]
Rattlesnake Ridge Run

Come experience Rattlesnake Ridge! This well-loved single-track gem of the eastern Issaquah Alps divides the Snoqualmie River Valley from the vast Cedar River Watershed. The course features a climb through diverse forest types and peekaboo views of the Snoqualmie Valley.
Cougar Mountain Trail Series #1

Thanks to runners like you, this series has raised over $250,000 for King County Parks and contributed many hundreds of hours of trail work. Join Seattle Running Club and Northwest Trail Runs in carrying this legacy forward and making this 21st annual series bigger and better than ever! Just 15 minutes from Seattle, King County’s Cougar Mountain […]