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 […]
Cat’s Tail Marathon
The Cat’s Tail Marathon is an approximately 26 mile point to point trail race in the Slide Mountain Wilderness Area of the Catskills, hilly, rugged and technical. The course summits four Catskills High Peaks – Panther, Slide, Cornell, and Wittenberg Mountains, as well as Giant Ledge, Cross Mtn, Mount Pleasant, and Romer Mtn, with almost […]
Winter Park Trail Runs
Winter Park 50K-21K-10K The Winter Park Trail Runs deliver high-alpine racing at its best, featuring flowing singletrack, rugged mountain terrain, and expansive views from start to finish. Starting in the mountains and finishing in the heart of town, these courses capture the adventure, challenge, and welcoming mountain-town atmosphere that define Winter Park, CO.
Christina Bohn Memorial 5K for PMDD Awareness
Join us in Columbia Missouri on Saturday, October 17th, 2026, for the 3rd annual Christina Bohn Memorial 5K for PMDD Awareness! We have in-person and virtual options for registration. The 5K is timed and is on a trail that includes the MKT and conservation land. Medals will be given to the top three finishers in […]
Parallel of Latitude 8-Hour Endurance Race
The Parallel of Latitude is an 8-hour fixed time race featuring a 3.45-mile out-and-back on a flat, scenic rail trail next to beautiful Dryden Lake. From the time the clock starts at 8:00 AM, to the time it stops at 4:00 PM, how many miles you complete is up to you. This low-key, flat race […]
Vashon Ultramarathon & Trail Run
10 mile, 20 mile, 50k: Welcome back runners for the 16th year of trail running on Vashon Island! This year we introduce Team Competitions! Three team members add up their finish times to find out how they compare – three categories: Female, Male and Mixed. Teams must have a Team Captain to add their team’s […]
Girl Scout Island Ultra and Feathers 10K
Welcome to the first Official Girl Scout Island Ultramarathon! We are all here to SUPPORT, INSPIRE, and EMPOWER athletes of all ages to find their potential. Although anyone is welcome to participate we will place emphasis on empowering strength, perseverance and discovering new challenges for young women everywhere. Savannah, Georgia is the birthplace of the […]
Shenandoah Zombie Run
Rally your friends and prepare for an adrenaline-pumping 5K adventure at Camp Shenandoah — where survival is the ultimate goal! This thrilling course winds through the hills and wooded trails of Camp Shenandoah along Little North Mountain in Swoope, VA. You’ll sprint, jog, and strategize your way through camp—but don’t get too comfortable. Somewhere behind […]
Great Trail Race
The Great Trail Race is an exciting point-to-point event between Truckee and Tahoe City, CA. Participants can choose to gravel bike, mountain bike, or trail run on this stunning course. Two options are available: the Elite course and the Classic course. Do you love singletrack? Join us this September for an unforgettable experience! Choose one […]
Ultra Obscura
Ultra Obscura isn’t just about distance – it’s all about strategy. A course that will test your legs. A format that rewards much more than endurance. A race where planning and decision-making matter as much as strength. It’s pure trail running; nothing but trails, no asphalt, with a touch of the sinister.Expect breathtaking views of […]
Emerald Bay Trail Run
Run through one of Lake Tahoe’s most iconic landscapes as the Emerald Bay Trail Run guides you along jewel-toned waters, granite cliffs, and legendary singletrack. The Emerald Bay Trail Run begins at Eagle Point and winds its way around the jewel-toned waters of Emerald Bay before climbing the legendary Rubicon Trail to D.L. Bliss State […]
Spooner Lake 5K and 10K
This annual trail run delivers a memorable mountain experience, featuring scenic singletrack, peaceful lake views, and a welcoming atmosphere for all ages. Participants can choose from 5K or 10K courses that circumnavigate the lake, surrounded by groves of aspens and over 12,000 acres of forested open space The event is owned and operated by Big Blue […]
Marlette 50K and 10 Miler
The Marlette 50K is an adventurous journey through some of the world’s most scenic and challenging trails. Starting at Spooner Lake in Nevada’s Lake Tahoe State Park, this run showcases miles of epic trails and breathtaking views. Imagine a pristine Sierra single track surrounded by 360-degree vistas of Lake Tahoe, Marlette Lake, and the Carson Valley and […]
Truckee Half Marathon
Join us for the Ninth Annual Truckee Running Event! Participants can choose between the Truckee Half Marathon and the Truckee 5K, with both races starting and finishing in Historic Downtown Truckee. This event showcases the stunning natural beauty of the Sierra landscapes and offers runners a chance to experience the charm of our mountain town. […]
