Eltuck Valley 12K

Join us each Tuesday evening in August for a fun series of shorter midweek trail races. Our goal is to offer a fun, low-key series of races designed to give newer trail runners an opportunity to dip their toes into the trail racing waters, and to offer more experienced trail racers a chance to sharpen […]
Into the Hills Eltuck 5k

Join us each Tuesday evening in August for a fun series of shorter midweek trail races. Our goal is to offer a fun, low-key series of races designed to give newer trail runners an opportunity to dip their toes into the trail racing waters, and to offer more experienced trail racers a chance to sharpen […]
Into the Hills Eltuck 10k

Join us each Tuesday evening in August for a fun series of shorter midweek trail races. Our goal is to offer a fun, low-key series of races designed to give newer trail runners an opportunity to dip their toes into the trail racing waters, and to offer more experienced trail racers a chance to sharpen […]
Eltuck Valley 5K

Join us each Tuesday evening in August for a fun series of shorter midweek trail races. Our goal is to offer a fun, low-key series of races designed to give newer trail runners an opportunity to dip their toes into the trail racing waters, and to offer more experienced trail racers a chance to sharpen […]
Colorado 24 Hour Run

Welcome to the Colorado 24 Hour Run! We aim to provide a fun, welcoming race experience that allows everyone to find a challenge, no matter where you’re at on your running journey. Want to see how far you can go in 6, 12 or 24 hours? Or achieve a new furthest distance? What about setting […]
Red Feather Trail Jamboree

Come enjoy the clean air and wild spaces of the Red Feather Lakes region in Northern Colorado! Take advantage of the opportunity to explore some new trails on the private land of the Ben Delatour Scout Camp and surrounding national forest. These courses are especially designed to be beginner (or PR) friendly with buttery smooth […]
Staunton Rocks! Marathon & Half

Welcome to the Staunton Rocks! Marathon & Half, an event put on by trail runners for trail runners. Touring the renowned singletrack of Staunton State Park in Colorado’s Front Range Mountains southwest of Denver, the race will take you back in time as you glide by historic buildings and old milling operations. The flowing trails […]
Black Squirrel Half Marathon

The Black Squirrel Trail Half Marathon takes place on the wonderful trails of Lory State Park to the northwest of Fort Collins, CO. The trail half marathon course offers a tour of the outer boundaries of Lory State Park, providing breathtaking views to the east of Horsetooth Reservoir, Fort Collins and the Great Plains; and […]
Blue Sky Marathon & Half

Taking place on the trails between Horsetooth Mountain Park and the Devil’s Backbone Open Space, the Blue Sky courses take you on a north-south tour of the easternmost hogbacks of Northern Colorado’s Front Range mountains. With a moderate amount of elevation gain and loss and a variety of terrain, the route offers a little bit […]
Never Summer 100k & 60k

The Never Summer 100km & 60km will take place almost entirely within the boundaries of State Forest State Park and run between the Never Summer Mountains on the northern border of Rocky Mountain National Park (RMNP) and the Medicine Bow Mountains to the north of Cameron Pass. The first 20 miles of each race will […]
Whiting Ranch Trail Races

Experience the thrill of trail running at Whiting Ranch Trail Races! Offering 10k, half marathon, and 30k distances, our races take you through the stunning Whiting Ranch Wilderness Park in Orange County, California. Challenging climbs, sprawling views and romps through await on this course as you immerse yourself in the beauty of native oak trees. […]
Bow Valley Ultra

The Bow Valley Ultra is more than just a race—it’s a 100 mile celebration of our local trail network and a commitment to its long-term sustainability. Working closely with Alberta Parks, Town of Canmore, Friends of Kananaskis Country, and Bragg Creek Trails Association, we’re focused on giving back to the stewards who care for these […]
Cline Buttes

Welcome!Welcome to the unique landscape of Cline Buttes which offers stunning views of the Three Sisters Wilderness to the west and the central Oregon desert to the east! This location often has breathtaking sunrises, sunsets, and night sky. We will offer race participants to choose a time-duration of their liking (3/6/12hr, last person standing option, […]
Kettlefoot 50K, 25K, & 13K

Tower above the Trail! Join us for a run through the beautiful Doe Mountain Recreation Area, located just minutes from Mountain City, Tennessee. With a variety of terrains and stunning views, it’s an event you won’t want to miss. All participants will have the chance to climb the 60-foot Kettlefoot Fire Tower and enjoy 360° […]
SOO 200

The SOO 200 celebrates the land and waters of the Sault Ste. Marie and Algoma area. Known for the tough land of the Canadian shield, and stunning coastal landscapes, the SOO 200 will challenge all athletes.The course is a combination of single track, double track, dirt road, cross-country, and even a bit of bushwhacking and […]
Crazy Muley Ultra

Crazy Muley Ultra will start/finish in Edgerton, Alberta. The course will be one big loop that will mostly be on trails and single track. You will enjoy a hilly course that takes you thru sand dune complexes.
Crystal Springs Ultra Races

Set against the stunning backdrop of the Crystal Springs Recreation Area in the Town of Wytheville, Virginia, the event showcases the breathtaking landscapes and diverse terrain of the High Rocks Spur Trail and Boundary Trail loop among others. By offering three distinct distances – the challenging 50k+, the formidable marathon, and the accessible half marathon […]
New River Trail Races

The New River Trail Races are 100% dirt, flat, and entirely along the New River and Chestnut Creek in the New River Trail State Park. Each distance is an out and back course. The schedule for the race:4:00 am 100k Start (5:00 pm cutoff)8:00 am 50k Start (5:00 pm cutoff)8:30 am 10k Start (5:00 pm […]
Running Up For Air Moab

The Up For Air Series unites our community over a shared passion for running and a desire to drive real, lasting change in the fight for cleaner air. Through endurance events and strategic partnerships, every vertical foot run and every hour volunteered multiplies support for nonprofits dedicated to air quality solutions, turning even small donations […]
Bull Run Run 50 Miler

The Bull Run Run is a 50 mile run hosted by the Virginia Happy Trails Running Club, held the first weekend of April during the height of Virginia’s spring beauty. The race is held on trails that parallel the Bull Run and the Occoquan River along the Fairfax and Prince William county line in Northern […]