Howlin’ Wolfe 25k & 50K

Come join us in the beautiful Red River Gorge for the first annual Howlin’ Wolfe 25k/50K. Starting and finishing at Natural Bridge State Resort Park runners will have the opportunity to see several fantastic natural features in the Red River Gorge. The race will feature a mixture of road running, single track trail, and fire […]

Steel City Human vs Horse

Who is faster – human or horse? It’s anyone’s race at the Steel City Human vs. Horse! Modeled after similar race formats in the UK and Arizona, this is a simultaneous trail running race and horseback endurance race. Runners on foot and riders on horseback will toe the starting line together to see who can […]

The Sand Monster

This 6 hour race takes place at Sesquicentennial State Park in Columbia SC on a 3.5 mile loop. While there certainly is sand on the course, it is mostly hard packed and covered by pine needles. There are cool awards 4 places deep because we know that finishing 4th is often tough, plus we have […]

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. […]

The Dark 24

Are you a child of the night? Are you longing for the warm embrace of a dark cavern? Do you love coal and mining history? You are in luck! Welcome to The Dark – a loop race in the Bellevue Underground Mine (BUM). This race calls on the brave to test their limits in The […]

Thunder River

Welcome to Thunder River! We are thrilled to share these new courses across the iconic Columbia River Gorge! With a purely point-to-point 25K race and mostly point-to-point 50K, world class scenery, fall colors and epic views, Thunder River doesn’t cease to amaze. Each race course travels along the iconic Pacific Crest Trail and Gorge 400 […]

Bachelor Ascent

Welcome to Mt. Bachelor! Welcome to Bachelor Ascent presented by All Conditions Gear! This event is a trail running celebration featuring Mt. Bachelor’s famous volcanic alpine scenery, rugged terrain and mountain hospitality. Race day features three insanely scenic and challenging loop courses of 50K, 28K, 16K and a straight up Vertical Ascent 5K, with each […]

Run LOViT

                                                             LOViT 100 mile and 100k The LOViT 100 Mile and 100K take place on the rugged Lake Ouachita Vista Trail in Mount Ida, Arkansas. Runners […]

Little Bitty Backyard

It goes on for a little bitty while! Little Bitty Backyard will be at the Wildlands Conservancy South Mountain Preserve in Emmaus, PA. This is a last man (woman or non-binary) standing event, meaning it goes on until everyone else fails or quits. The loop will be done every hour on the hour. You miss […]

Sidewinder

Are you ready to launch your running to the next level in 2026? Join us for the first ever Sidewinder trail race in Montour Woods Conservation Area, with proceeds benefiting the Hollow Oak Land Trust*. Choose your distance: Half Marathon, 20 Mile, or the full 50K and expect a well-marked route, solid aid, and a […]

Rumble on the Ridge

Did somebody say more cowbell?? Rumble on the Ridge is our Driftless take on the classic Backyard Ultra–Last Person Standing format. The event takes place on an old family dairy farm just 40 minutes west of Madison, WI, right in the heart of the Driftless Area. Runners compete on a 1-ish mile looped course, affectionately […]

Broken Rock Trail Run

Set atop the rugged bluffs of south-central Wisconsin’s Driftless Area, Broken Rock Trail Run delivers a bold blend of beauty and grit. With sweeping views across the untamed landscape, technical stretches of mixed terrain, and a demanding elevation profile, this race is a soul-stirring experience—rooted in the wild heart of the Driftless. The race takes […]

HELIOS 6/12/20 Hour Ultra

6-, 12- or 20-Hour FALL Ultra in the Southern Kettle Moraine Forest. Complete as many loops as possible during your selected timeframe of 6, 12 or 20 hours.  You may race as a solo ultra runner or as a relay team of up to 4 people. You will choose between three of the McMiller Trail […]

Tapped for Sap 25k+

Join runners and hikers this spring to celebrate the trails of Brady’s Run Park. Nearly all of the park’s 2,000 acres will be on display, as the course hits every corner on a unique and challenging loop. Rolling hills will have you climbing wooded ridges, traversing lakeside trails, and descending through groves of hemlock. Whether you’re […]

Rumble in the Jungle

The BCU Rumble in the Jungle Trail Run on 1 August 2026 is Coffs Harbour’s premier trail running event, set in the stunning Bindarri National Park. The event explores the best of the Coffs Harbour hinterland featuring amazing waterfalls, lookouts and rainforest with a 100km Ultra, 50km Ultra, 30km, 21km and 8km distance to choose […]

Marana Dirt Dash at Wild Burro

You will traverse the beautiful Tortolita Mountains. Half Marathon | Dash through the scenic views of the Tortolita Mountain Trails in this half-marathon (13.1 mile) trail race. The first section of the half-marathon starts with a relatively flat 2-mile run on the Wild Burro Trail (a mix of wash and single track trail). The next […]

San Jan Solstice 50 Mile Run

 Join us in the San Juan Mountains of SW Colorado, around the town of Lake City, for a very challenging and scenic 50 mile ultra.…  

ARKTOS 6/12/20 Hour Ultra

6-, 12- or 20-Hour Winter Ultra in the Southern Kettle Moraine Forest. Complete as many miles as possible during your selected timeframe of 6, 12 or 20 hours. You may race as a solo ultra runner or as a relay team of up to 4 people.

Interlaken Icicle Dash

Join us for a 5k or 10k trail run at Interlaken Icicle Dash! The fifty-one acres of dense forest that separate the urban neighborhoods of Montlake and Capitol Hill comprise Interlaken Park, named for a summer resort in Switzerland. The course starts with an out-and-back tour of the fairly flat, paved Interlaken Boulevard, where it […]

Frost Eagle Trail Run

Join us for a 5-mile or Half Marathon at Frost Eagle! A sanctuary for birds, deer, bobcats, and black bear, Soaring Eagle Regional Park is also a quiet sanctuary for humans. Six hundred acres of forest and wetlands interrupt miles of suburban homes on the edge of the flat Sammamish Plateau and are host to 12 miles […]