Ponderosa Polar Challenge @ Twin Knolls Rd, Orderville, Utah, United States on 07 November 2026

Set against the stunning backdrop of Zion Ponderosa Ranch Resort just outside Zion National Park, this unique endurance event is all about movement, adventure, and community—not just speed. Choose anything from a 5K to 150 miles and complete your goal within a 52-hour time limit. The course features three loops (1-, 2-, and 3-mile) that […]

Crazy Desert Trail Race @ Shady Trail, San Angelo, Texas, United States on 07 March 2026

The 2025 Crazy Desert Trail Race was an amazing time, and we can’t wait for 2026! Join us at the amazing San Angelo State Park, home to some fast desert trails, dinosaur (actually permian!) tracks, and the TPWD Longhorn herd!!

The Crazy Desert Trail Race prides itself on fully stocked aid stations with amazing volunteers […]

Fiesta Night Run @ 1349 Neal Rd, San Antonio, Texas, United States on 01 August 2026

Immerse yourself in the exhilarating atmosphere of the Fiesta Night Run at San Antonio’s Land Heritage Institute this August. Trek through the rugged beauty of the Texas landscape illuminated by the stars, and join us for an unforgettable night of trail running and camaraderie. Experience the thrill of the trail beneath your feet as you […]

Jingle Bell Jog @ Spicer Orchards, 10411 Clyde Road, Fenton, Michigan, United States on 19 December 2026

Jingle all the way to the Finish! The Jingle Bell Jog is full of Christmas cheer, twinkling lights and seasonal magic. After crossing the finish line, celebrate the season with freshly baked cookies (choose your flavor!) and a nice warm cider, hot cocoa or coffee. With holiday music, lights, Santa cheering you on and a […]

Go Wild! 2 Hr, 4 Hr @ Buckeye Picnic Area, Harvey West Park, Santa Cruz, CA, United States on 14 November 2026

Enjoy a trail and wilderness scramble among the open spaces of Santa Cruz, exploring redwood & mixed forests and meadows. In teams of 1 to 5, use a custom map to find up to 20 checkpoints along the trails and in the wilds in 2 or 4 hours. Enjoy socializing and refreshments at the finish! […]

Big Texas Ultra @ 2101 Co Rd 262, Georgetown, Texas, United States on 07 November 2026

The Big Texas Ultra is an two day endurance event featuring a 15K on Friday and a 15K, 50K, 100K & 15K RUCK on Saturday in the hills of Central Texas on the Lake Georgetown Rim Trail. The event follows a 15K out & back trail, and a 50K loop beginning and ending at the […]

Robinson Preserve Twilight 5K & 10K @ 1704 99th St NW, Bradenton, Florida, United States on 27 March 2026

Please join us for the 18th Annual Robinson Preserve Twilight 5K & 10K Run/Walk. Always a festive and fun event for the whole family – Kids Dashes, Walkers, and Runners alike will enjoy the stunning sunset views along the 5K and 10K courses in the beautiful Robinson Preserve. Relax after the race and enjoy dinner, […]

Noche Trail Runs @ 1927 Park Rd 73, Junction, Texas, United States on 19 September 2026

The Noche Trail Runs starts at evening in the beautiful hills of South Llano River State Park. If you’re looking for a challenging night trail run sitting under the stars this is the race for you. The route runs along the rocky and dry climate of the south.

YoungLife Run & Relay @ 3297 Tryon Rd, Longview, Texas, United States on 11 April 2026

The Longview YoungLife Run & Relay is a charity endurance event featuring a trail 5K, 10K run & ruck, Half-marathon and 25K team relay in the shaded, switchback trails of the Mobberly Baptist Church MTB Trails and around the Williams Lake loop, giving runners the best of both worlds!

All of the profits from […]

Vertical Vendetta @ Pass Powderkeg Ski Hill Area, Blairmore, Alberta, Canada on 30 May 2026

“Calling all crushers and people who want to bust a lung! Short, fast and fun; Vertical Vendetta is a wild loop race that will get your heart pounding. Hosted at Pass Powderkeg Ski Area in Crowsnest Pass, Alberta, runners will make four ascents of the famous lift line route for a total of 1,000 vertical […]

Peak District Challenge @ Oddfellows Road, Hathersage, England, United Kingdom on 18 September 2026

The Peak District Challenge is a trail running or trekking challenge that offers five levels of difficulty:

25km (Copper) 50km (Bronze) 75km (Silver) 100km (Gold Ultra) 100miles in 24 hours Ultra

Each distance has a target time to try to beat, from 9 hours to hike 25km, up to 24 hours to run the […]

Castle Alpine Trail Race @ Castle Mountain Alpine Resort, Alberta, Canada on 19 September 2026

“Get into fall running mode and enjoy the Castle Mountain Resort Area on one of the most scenic race courses you’ll ever get to see. The Castle is a secluded gem of a place that everyone should make an effort to visit.

Castle Alpine Trail Race (CAT) combines wide open vistas, rugged single track, off-trail […]

Rootrock Trail Run – 5K/10K/Half Marathon @ 161 Salt Cedar Lane, Chapel Hill, North Carolina, United States on 17 October 2026

The Rootrock Trail Run at Briar Chapel puts runners to the test with 5K, 10K, or Half Marathon of stellar single-track. This popular, mid-fall, root-and-rock strewn trail run, is complimented by the Rootrock Mountain Bike Race, which is held in the afternoon.

Sprawling over 900 acres and located on the south side of Chapel […]

Cedarock Trail Run – 5K/10K/Half Marathon/Half Relay @ 4242 R Dean Coleman Road, Burlington, North Carolina, United States on 11 April 2026

The Cedarock Trail Run is a super-fun and very social springtime event where solo racers and relay teams battle it out on four, unique 5K+ loop courses. Run 5K, 10K, or Half Marathon solo or grab a friend (or two or three) to form a half marathon relay team. Cedarock Park is located in Burlington, […]

Run At The Rock – 5K/10K/Half Marathon @ 4242 R Dean Coleman Road, Burlington, North Carolina, United States on 12 December 2026

Welcome to Run at the Rock! Since 2005, trail runners from across the region have challenged themselves on the beautiful and demanding trails of Cedarock Park. Run 5K, 10K, or Half Marathon on awesome courses that include twisty single-track and smooth, flowing equestrian trails.

After finishing the race, don your race hoodie (included with […]

Zen Squirrel Trail Run @ 161 Salt Cedar Lane, Chapel Hill, North Carolina, United States on 16 May 2026

The Zen Squirrel Trail Run is where it all started for Roadless Races in 2019, and it’s BACK! Offering 2 mile, 5 mile, and 10 mile distance options on the vast trail network at Briar Chapel, runners will be treated to some awesome courses that include a mixture of smooth and flowing dirt trails, rock […]

SOO 200 @ Searchmont Resort, Ontario, Canada on 11 September 2026

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. […]

Texoma Challenge @ 1101 Waterloo Lake Dr, Denison, Texas, United States on 06 June 2026

The Texoma Challenge is an endurance event featuring a 5K, 10K, 10K Ruck, Half Marathon, Marathon, 50K, and 50K Relay in the foothills of North Texas at Waterloo Park. The event follows 6.2 mile loop of unique trails beginning and ending in Waterloo Park in Denison Texas.

Harepin Hustle Trail Run @ 1400 Aviation Parkway, Morrisville, North Carolina, United States on 21 March 2026

The Harepin Hustle Trail Run at Lake Crabtree and the 286 trail network in Morrisville, NC offers 10K+ (7.3 miles) and Half Marathon racecourses that include fun, flowy, forest covered single-track with plenty of hairpin turns and berms. After finishing the race, athletes gather at the park’s beautiful lakeside lawn staging area to enjoy post-race […]

Black Spur Ultra @ Kimberley Alpine Resort, Kimberley, BC, Canada on 22 August 2026

“Black Spur Ultra (BSU) is wrought from the winding, technical single track that trail runners dream about. No pavement, big climbs through rugged terrain, immaculate trails, and stunning scenery. Hosted at Kimberley Alpine Resort, you can walk to the start line right from your hotel room. Kimberley is a secluded gem nestled between the Purcell […]

Divide 200 @ Castle Mountain Resort, Alberta, Canada on 10 August 2026

The stuff legends are made of… The culmination of 21 years of living, playing, and working in the Rocky Mountains. The Divide 200 is Canada’s only 200 mile race.

The route includes the Castle/Crowsnest/Flathead region of the southern Rockies. The race will celebrates our Rocky Mountain heritage, and highlights portions of the stunning Great Divide […]

Black Toenail Friday Half Marathon & 7.5 Mile @ Cane Creek Mountains Natural Area – Pine Hill Trail Head, Snow Camp, NC, United States on 27 November 2026

Welcome to our new tradition in North Carolina over the Thanksgiving holiday. Feel free to relax on Thanksgiving we are celebrating the holiday with a trail race on Black Friday! Come on out to Black Toenail Friday, we have an event for everyone! With a Half Marathon and 7.5 miles there is an opportunity to […]

Outlast Blue Ridge @ 25 International Blvd, Mill Spring, North Carolina, United States on 21 March 2026

OUTLAST is a 6-hour trail endurance challenge where runners complete a 5K every hour, on the hour. Each lap must be finished within the hour to stay in the event. If you finish early, you rest until the next round. Miss a lap, and you’re out.

Complete all six rounds, and you OUTLAST.

This isn’t […]

Mestia Ultra @ Seti Square, Mestia, Georgia on 18 July 2026

TRAILLAB – trails made into experiences

Tesoro Viejo Spring Classic Half Marathon @ Hwy 41 and Tesoro Viejo Blvd, Madera, California, United States on 08 March 2026

Are you ready for the Central Valley’s SPRING Half Marathon, 10k and 5k events! Run through picturesque trees and meadows on rolling groomed trails as you view beautiful vistas just minutes north of Fresno’s River Park Shopping Center at Highway 41 just past Avenue 14. The Tesoro Viejo Classic Half Marathon will take you away […]