Trail Running calendar near Mack 2025-2026

We have found 20 Trailruns within 80 miles of Mack. See below where and when you can find the races.

The Thelma and Louise Marathon and Half is an exciting running event taking place in Moab, Utah, featuring a marathon, half marathon, and 15K race. Designed for a fun girls' weekend, the course showcases the rugged beauty of Moab's Behind the Rocks area, with stunning views of red rock formations an..

May 2025

Adventure Fest at 18 Road is a thrilling weekend celebration of outdoor adventure in Fruita, Colorado, designed for participants of all skill levels. Scheduled for May 10-11, 2025, the event features a variety of activities including a trail half marathon, mountain bike races, and a gravel challenge..

The Fruita Trail Half Marathon is an exhilarating 13.8-mile race set in the stunning desert landscape of Fruita, Colorado. Scheduled for May 11, 2025, this event features a scenic loop course with flowy singletrack, short climbs, and breathtaking views of the surrounding buttes and mesas. As part of..

July 2025

The Powderhorn Mountain Ultra and Vert Challenge is an exhilarating endurance event set for July 19, 2025, at Powderhorn Ski Resort in Mesa, Colorado. Participants can choose between a 12-hour or 6-hour race, tackling a challenging 10K loop with significant elevation gain, or focusing on vertical as..

Grand Mesa Ultras is an exciting mountain running event held in Grand Mesa, Colorado, featuring races of 50 miles, 55K, and 30K. Set on the world's largest flat-topped mountain, participants can expect challenging trails with rocky climbs, flowing single tracks, and stunning alpine scenery. The even..

August 2025

The Ute 100 Mile & 50 Mile is a premier running event set in the stunning La Sal Mountains of Utah, featuring a challenging 100-mile course with an average elevation of over 8,700 feet and a total elevation gain of approximately 21,000 feet. For those seeking a shorter challenge, the 50-mile option..

October 2025

The Arches Marathon, held in Moab, Utah, is a premier fall trail running event featuring distances from 15K to 50K. Runners start near the scenic Behind the Rocks Wilderness Study Area, with breathtaking views of the La Sal Mountains and picturesque desert landscapes. The course includes sandy doubl..

The West Elk Challenge is a scenic trail marathon set in the stunning West Elk Mountains of Colorado, taking place on October 4, 2025. Participants can run, walk, or hike through vibrant fall foliage, starting at Crawford Reservoir State Park and traversing gravel roads and single-track trails. The..

The Hanging Flume 50K is an ultrarunning trail race set in the scenic landscape of Southwestern Colorado, starting and finishing at the historic Uravan Ballpark. The course features a large loop that primarily follows abandoned mining two-track and desert single-track trails, offering participants s..

The Moab 240 Endurance Run is an extreme 240-mile footrace set in the breathtaking landscapes of Moab, Utah. Participants navigate through diverse terrains, including desert canyons and mountain ranges, with stunning views of Canyonlands and Arches National Parks. The event features a significant el..

Rabbit Valley Ultras is an exciting new ultra-running event set in the scenic Grand Valley area of Mack, Colorado. Participants can choose between two distances: a 50k and a 100k, with the course featuring two segments and a central aid station. The event emphasizes a natural, unpaved environment, a..

The Canyonlands Ultra, part of the Mad Moose Events' Run Moab Series, is a premier trail running event held in Moab, Utah. Scheduled for October 25, 2025, it offers a variety of race distances, including 100K, 50 Mile, 50K, Marathon, Half Marathon, and 15K. Participants will experience stunning land..

November 2025

The Kessel Run Ultra, taking place in Fruita, Colorado, offers an exciting trail running experience with various distances including 50 Miler, 40 Miler, 50k, 20 Miler, and 10 Miler. Known for its stunning singletrack trails, participants can enjoy breathtaking views of the San Juan Mountains and the..

The Moab Trail Marathon is an exhilarating running event set against the stunning backdrop of Moab, Utah. Scheduled for November 8th and 9th, 2025, it features a full marathon, half marathon, 10K adventure run, and a Kids K. This event is notable for hosting the 2025 USATF Trail Half Marathon Nation..

The Goblin Valley Trail Runs is an exciting trail running event set in the stunning Goblin Valley State Park in Green River, Utah. Scheduled for November 8, 2025, the event features a variety of race options, including a Trail Marathon, Half Marathon, 10K, and 5K, as well as youth races. Participant..

The Dead Horse Ultra is a highly anticipated trail running event held in Moab, Utah, featuring a variety of race distances including 50 Miler, 50K, 30K, and 15K. Set against the stunning backdrop of the Magnificent Seven trail system, participants can expect a challenging course with technical slick..

January 2026

The Arches Ultra is a running event taking place in Moab, Utah, featuring a scenic lower-elevation course that showcases breathtaking views of Moab cliffs, Arches National Park, and the La Sal Mountains. Participants can choose from three distances: a 50-mile, a 50K, and a half marathon, each requir..

February 2026

The Moab Red Hot Ultra is an exciting trail running event held in Moab, Utah, near Arches National Park. Participants can choose from various distances, including a 50 Miler, 55K, 33K, and 15K, all set against the stunning backdrop of the La Sal Mountains and Canyonlands National Park. The course fe..

March 2026

The Canyonlands Half Marathon, first held in 1976, has grown into a popular running event attracting thousands of participants each March in Moab, Utah. Runners enjoy breathtaking views of the iconic red rock formations and the Colorado River, with the course running alongside Arches National Park...

The Behind the Rocks Ultra is an exciting trail running event held in Moab, Utah, featuring multiple race distances: 50 Miler, 50K, 30K, and 10 Miler. Set against the stunning backdrop of the Behind the Rocks Wilderness Study Area, participants will navigate a variety of terrains, from smooth double..