Northern Trails Trail Race @ Northern Guilford High School, Greensboro, NC, United States on 07 March 2026

The Northern Trails Trail Race returns to Greensboro, North Carolina, offering distances of 5 miles, 10 miles, and 17 miles. This early spring trail race challenges participants to run, ruck, or hike through the scenic trails along Lake Brandt and Lake Townsend. Over the years, racers have experienced it all—snow flurries, rain, and sunshine—making Northern […]

Jackalope Jam @ 5387 Mill Creek Rd, Cat Spring, Texas, United States on 18 February 2026

The Jackalope Jam is a 6-hour, 12-hour, 24-hour, 48-hour, 72-hour and 100-hour timed event format, where you record the greatest distance possible during your chosen duration while running, walking, hiking, or choosing to compete in our separate ruck divisions. New in 2025 you can also compete as a 2-6 person team in our 24-Hour Relay. […]

OutRun Hunger 5K Family Walk & Run @ The Farmhouse At Harvest Green, Richmond, TX, United States on 04 October 2025

Set the pace and help tackle food insecurity at the 8th annual OutRun Hunger 5K Family Walk & Run. Fees are $35 for 5K and $15 for kid’s run. Proceeds benefit East Fort Bend Human Needs Ministry.

Snowy Owl 10 Mile @ 9801 York River Park Rd, Williamsburg, Virginia, United States on 04 January 2026

Thanks for your interest in the Snowy Owl 10 mile on Sunday, January 4, 2026!

This is a trail race and will be on a combination of trails in beautiful York River State Park. Five miles of the course will be technical single track. About 3/4 mile on the road and the rest will […]

Greensprings 24 @ 3751 John Tyler Hwy, Williamsburg, Virginia, United States on 25 October 2025

The Greensprings 24 will be Saturday, October 25 starting at 8am and finishing 8am the following morning. This 24 hour endurance race can be whatever you want it to be. How many miles can you complete? Can you reach a benchmark goal like 50 miles? A marathon? Run, walk, crawl…your choice. Will you reach the […]

The Resolution Run @ 2300 Cameron Park Dr, Waco, Texas, United States on 03 January 2026

The Resolution Run is an endurance event where you’ll have the opportunity to exceed your New Year goals, which features the beautiful, windy & epic trails of Cameron Park located in Waco, Texas, the Heart of Central Texas. The event follows an 8K loop throughout the valleys & hills of the park, with its start […]

The Hootie Hustle 5K & 1 Mile Fun Run @ Keene State College, Arch on Appian Way, Keene, NH, United States on 13 September 2025

Come out to The HOOTIE Hustle 5K & 1 Mile Fun RUN annual road/trail race presented by KSC Alumni Association. Participants will experience the natural beauty of KSC campus. Come RUN The HOOTIE! Online registration will close Thursday, September 11th. Registration will be open again on race day to all to sign up from 8:30AM […]

Moonlight Bootlegger 5K @ Maybury State Park, Northville, MI, United States on 09 May 2026

Miles, Moonshine, and Music—Under the Stars

If you’re looking for a night running experience unlike anything else in Southeast Michigan, mark your calendar for May 9, 2026 and join us for the 14th annual Moonlight Bootlegger 5K at beautiful Maybury State Park in Northville, MI. Since 2012, thousands of runners have stepped into the shadows […]

Naughty Hog @ 100 Pw 4153, Valley View, Texas, United States on 20 December 2025

The Naughty Hog is an endurance event featuring a Trail 5K, 10K, 25K, 50K, 100K + 25K Ruck in the foothills of North Texas at Lake Ray Roberts Johnson Branch Unit. The event follows a 25K loop and out n’backs for the shorter distances beginning and ending in Valley View TX.

Price Increases: Early […]

Highball to Thurmond Ultra & Relay @ Thurmond, West Virginia, United States on 17 May 2026

Race Through New River Gorge National Park

The highball was a railroad signal meaning the track ahead was clear—time to move forward at full speed. At Highball to Thurmond, we’re raising the ball on an unforgettable ultra marathon adventure through the heart of New River Gorge National Park.

Choose from the 50 Mile, 50K, or […]

Cossatot River Trail Run @ 1980 US-278, Wickes, Arkansas, United States on 27 September 2025

The Cossatot River Trail Run is an endurance event featuring a trail 12.5M “Half Marathon” & 10K in the Ouchitas along the Cassatot River of Arkansas at Cossatot River State Park. The event follows 12.5 point to point trail ending in Wickes AR at the State Park!

Carpe Diem – Carpe Noctem Half Marathon & 10K @ Proud Lake Rec Area, Brighton, MI, United States on 11 April 2026

Seize the Day, Seize the Night!

Run trails by day, race again by headlamp! Join us on Saturday, April 11, 2026 at Proud Lake State Recreation Area for Carpe Diem – Carpe Noctem—a one-of-a-kind trail experience with races in both the morning and evening. Choose from the morning or evening Half Marathon or 10K, or […]

Winter Trail Fest Half Marathon & 5 Mile – Westside @ Yankee Springs Rec Area, Middleville, MI, United States on 21 February 2026

Run Winter Trail Fest in 2026

February 21, 2026 – Yankee Springs Rec Area, MI

Some call it the Winter Trail Fest. Others just think, What The F…?! Join Trivium Racing for a winter trail Half Marathon or 5 Mile run or ruck at Yankee Springs. Expect snow, mud, ice, and the infamous river crossing—unless […]

Carpe Diem – Carpe Noctem Half Marathon and 10K @ Hagan-Stone Park, Pleasant Garden, NC, United States on 06 September 2025

Seize the Day and Seize the Night with one of Trivium’s favorite events from Michigan that we are bringing to NC! The race will take place on the beautiful and smooth trails of Hagan Stone Park. These trails are perfect for running both day and night and will offer the unique opportunity for you to […]

Wolfman Duathlon and Trail Race @ 6263 Walnut Grove Rd., Memphis, Tennessee, United States on 27 September 2025

Running the Mamba 100 or thinking about signing up? Come run the Wolfman Trail Challenge and preview nearly 60% of the Mamba 100 course. Choose between a 7, 14, or 21 mile race—or a 3 mile fun run—all starting and finishing under the Walnut Grove Bridge near the BMX Track. The start/finish line is where […]

Owls Roost Rumble @ Bur-Mil Park, Greensboro, NC, United States on 25 April 2026

Ready for a spring trail race?

Join us on Saturday, April 25 for one of the best trail courses in North Carolina! The half marathon will take you one complete loop around Lake Brandt while enjoying wonderful scenery along the way. We also have a four mile option for those looking for a shorter trail […]

Viper 300 @ 6903 Great View Dr. N., Memphis, Tennessee, United States on 09 March 2026

Welcome to the ultimate test of endurance. This isn’t your average Sunday morning jog in the park. We’re talking about a grueling 300, 200, and 100-mile race that will push you to your limits and beyond. But don’t let that scare you off, because trust us when we say, there’s nothing quite like conquering this […]

Battle of the Run Clubs @ 117 Stable Drive, Aiken, South Carolina, United States on 24 January 2026

Team and Individual Entries Accepted

Welcome to the Battle of the Run Clubs Team XC Challenge

And by run clubs, we mean Run Clubs, but we also mean run….”clubs”.

You can sign up with a group of friends, with family members, and even as an individual. You do not need a complete […]

Moccasin 24 @ S. Walnut Bend Rd, Memphis, Tennessee, United States on 26 December 2025

Get ready to run as many miles as you’d like in the Moccasin 24 hour run. The course will be a 4 mile loop on the Wolf River Trails in Memphis, TN. Once we start the run, the clock will tick down from 24 hours all the way to zero, which will end the run. […]

Ultramediterrania Vrt 4K @ Plaça Major, Banyeres de Mariola, Spain on 23 January 2026

Ultramediterrània is not just a race — it’s a journey through wild, historic and soulful Mediterranean mountains, at the best possible time of year. It is is a unique winter trail running event held in January, offering a rare chance to race long distances in perfect Mediterranean conditions when most of Europe is covered in […]

Ultramediterrània Max 55K @ Turballos, Spain on 24 January 2026

MAX – 55 km (+2,900 m). A high-intensity mid-distance race that delivers a full mountain experience: exposed ridges, forested trails, and sharp elevation profiles in a compact yet tough format.

What makes it truly special? – Landscapes of the interior of the province of Alicante and the Mediterranean sea in winter – Trails through protected […]

Winter Trail Fest East Half Marathon & 5 Mile @ Island Lake Rec Area, Brighton, MI, United States on 14 February 2026

Join Trivium for WTF Eastside!

Some call it the Winter Trail Fest. Others just think, “What the F…?!”

Join us at Island Lake in Brighton, Michigan for a Half Marathon or 5 Mile run or ruck designed to embrace the messiest, most unpredictable conditions February has to offer. Snow? Ice? Slush? Perfect. You’ll earn every […]

Wild Wahatoya Runs @ 200 East Stadium Drive, La Veta, Colorado, United States on 27 September 2025

Announcement: All Course Profiles and GPX files are released on the race website!

Come join us to run through a magical part of history in the Cuchara Valley. The Spanish Peaks of Southern Colorado have been among the most important landmarks of the southwestern United States, guiding Native American tribes, Spanish and French trappers, […]

2nd GlobalLimits – Footsteps of Alexander the Great @ Samarkand, Uzbekistan on 24 April 2026

230 km – 6 stages / + 4.800m / – 5.000m

Experience Uzbekistan like no others.

GlobalLimits Uzbekistan is a thrilling 230km, 6-stages ultramarathon through the heart of the ancient Silk Road. Join the challenge: we meet at the UNESCO Heritage city of Samarkand, known as the Crossroads of Cultures and finish at the […]

Ely Tri Club Runfest @ Cathedral Green, Ely, England, United Kingdom on 05 October 2025

The Ely Tri Club Runfest offers a choice of distances ranging from 10k to 66k, all of which start and finish at the iconic 11th century cathedral before taking in more of the beautiful historic city of Ely and heading out into the Cambridgeshire countryside.

Most of the course involves quiet, flat, traffic free paths […]