Summer Trail Fest Ultra 50K, Half Marathon, & 5 Mile @ Sleepy Hollow State Rec Area, Laingsburg, MI, United States on 13 June 2026

Summer Trail Fest Ultra (STFU) is back for its fifth year on Saturday, June 13, 2026, at Sleepy Hollow State Park in Laingsburg, Michigan. This summer trail race is the perfect mix of beginner-friendly and PR-worthy, with smooth, well-marked singletrack and generous cutoffs that make it accessible for both new and experienced trail runners. Whether […]

Blackhawk Bolt 5k & 1 Mile Fun Run @ North Buncombe High School, Weaverville, NC, United States on 15 November 2025

The 4th annual Blackhawk Bolt 5k & 1 Mile Fun Run is a unique road-to-trail course taking place fully on the campus of North Buncombe High School & benefits the NBHS PTSO.

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 […]

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 […]

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 […]

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 […]

Death by 5K @ Tyler State Parks, Tyler, Texas, United States on 18 October 2025

The Death by 5k is a unique 24-hour challenge where entrants run ten 5k loops starting every 2.5 hours. Each participant must complete their run before the next begins, demanding both mental and physical endurance. The race takes place in Tyler State Park, featuring rugged dirt trails with rocks, roots, and potentially muddy conditions, requiring […]

Billy Goat Mountain Climb @ Cleveland National Forest, Silverado, CA, United States on 04 April 2026

We have 3 great mountain climbs in this race: 10k, 1/2 half marathon and a 17 mile loop. The 10k and 1/2 begin on Maple Springs Road and follow the creek on a gradually inclining, beat-up asphalt road for about 1.5 miles. The climb picks up at the dirt truck trail where runners switchback up […]

Groundhog’s Lap Race @ Haw River State Park Iron Ore Belt Access, Greensboro, North Carolina, United States on 31 January 2026

Ever wonder what it meant when someone said, “This feels like Groundhog’s Day?”

Come find out for yourself by participating in your own Groundhog’s Day lap race! Choose your time, 3 hours, 6 hours, or 12 hours and find yourself on the 3.2 mile trail loop at Haw River State Park. See how far […]

Whiskey Tango Foxtrot Trail Half Marathon & 5 Mile @ Northeast Park, Gibsonville, North Carolina, United States on 17 January 2026

Say WTF to the winter weather by racing the trails in January at Northeast Park in Gibsonville, North Carolina. Run or ruck the half marathon or the 5 mile distance. The half marathon participants get an extra adventure by crossing the river 2x during the race!

Pleasant Valley 5K Run/Walk, Aquathlon Challenge, and Dog Swim @ Pleasant Valley Pool, Chantilly, VA, United States on 06 September 2025

Come out for summer fun at the Pleasant Valley Pool. Enjoy a refreshing pool swim and run with our Swim/5K Aquathlon or skip the water and stay dry with a 5K fun run! In the afternoon, we’ll once again be holding our dog swim, when the pool will be only for a dogs only swim […]

Staunton Rocks! Marathon & Half @ Staunton State Park, Pine, Colorado, United States on 23 August 2025

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 […]

Oh Meu Deus Ultra Trail @ Seia, Portugal on 06 June 2025

This journey through Serra da Estrela’s natural heritage is 14 years old! The longest distances have a geographical scope that covers almost the entire Natural Park. We don’t forget the people, the history and the traditions. We often pass through small villages where you can get to know the customs and traditions of the mountains.

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Black Squirrel Half Marathon @ Lory State Park, Bellvue, Colorado, United States on 06 September 2025

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 @ Blue Sky Trailhead, South Bay, Fort Collins, Colorado, United States on 18 October 2025

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 […]

Black Toenail Friday Half Marathon and 7.5 Miler @ Cane Creek Mountains Natural Area – Pine Hill Trail Head, Snow Camp, North Carolina, United States on 28 November 2025

Run off the indulgent meal by racing the Black Toenail Friday race the Friday after Thanksgiving! This race offers a half marathon or 7.5 mile distance on the trails at the Cane Creek Mountains Natural Area – Pine Hill Trail Head. Make this race more fun by having the entire family sign up!

Black Toenail Friday Half Marathon & 7.5 Mile @ Proud Lake State Rec Area, Commerce Charter Township, MI, United States on 28 November 2025

Thanksgiving Weekend Tradition

Kick off the holiday season with a late morning trail race! Crisp air, evergreens, and the quiet beauty of Michigan’s late Fall create the perfect backdrop for your Black Toenail Friday run. Whether you’re chasing a PR or soaking up the vibes, this race is your chance to leave the holiday stress […]

Saddleback Marathon @ Black Star Canyon Road, Silverado, CA, United States on 26 April 2025

In 2024, we were hoping to go out of Blue Jay Campgrounds, which has been our tradition. But the “Airport” fire out of Trabuco Cyn closed that section of the Trabuco District in the Cleveland National Forest. So, we are re-routing for April’s race. We’re still in the Trabco District, but we’ll be going out […]

Triple Lakes Trail Race @ Bur Mil Park, Greensboro, NC, United States on 25 October 2025

The Triple Lakes Trail race is an iconic part of the North Carolina running scene. Centered around Lake Brandt, Lake Townsend, and Lake Jeanette, this race takes athletes through most of the amazing watershed trails in Greensboro. This race course is extremely well marked, well aided, and has very generous time cutoffs! Whether you are […]

Nat Greene’s Revenge Triathlons and Duathlon @ Lake Brandt Marina, Greensboro, NC, United States on 04 October 2025

Join us for a full day of multisport racing at our 2025 season finale! The morning will kick off with an On-Road Triathlon and Duathlon and the afternoon is the Off Road Triathlon. Not only will this make for more space for each race, it will also give people a chance to compete in both […]

Moonlight Bootlegger 5K @ Haw River State Park, Greensboro, NC, United States on 12 July 2025

This isn’t just a race, this is a race and a party in one!

We are back at Haw River State Park for the 2025 edition of the Moonlight Bootlegger 5k! Follow the sound of the music and hundreds of LED candles on the trail to find your way to the finish line where you […]

Belgian Front Memorial Trail @ WSKLUM, Nieuwpoort, Belgium on 03 May 2025

Welcome to Belgium, the land where even the fries speak three languages! Our chocolate pralines are as diverse as our governments. Our roads are so confusing even our GPS systems have difficulties finding the way.

The Belgian Front Memorial Trail takes place in the cosy Westhoek which was Belgium’s final frontier during The Great […]

1st GlobalLimits Peaks of the Balkans @ Theth, Albania on 12 September 2025

200km – 6 stages – 3 countries (Albania, Kosovo, Montenegro)

+ 12.400m / – 12.400m

A 200km Challenge Across Three Countries

Are you ready to take on the ultimate test of endurance?

Who are the first King or Queen of the Peaks of the Balkans?

GlobalLimits – Peaks of the Balkans is a thrilling race […]

Moors Valley Wildwood Trail Series Half Marathon & 10K @ Moors Valley County Park & Forest, Ringwood, England, United Kingdom on 26 January 2025

Kickstart your 2025 trail running season with an unforgettable experience at the Moors Valley Wildwood Trail Series! Set within the picturesque Moors Valley Country Park, this event promises breathtaking natural beauty and an exhilarating challenge for runners of all levels.

Choose between our stunning half marathon and 10K routes that will take you deep into […]

Traverse Run @ West Kilimanjaro to Lake Natron, Tanzania on 12 June 2025

TRAVERSE RUN offers five stages of varied terrain, amazing scenery, and wildlife viewing. The course is raceable by the experienced, challenging to adventurers, and rewarding for all. The race takes place on fast single track, slow and technical single track, and double track safari roads.