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Estimated date — the 2027 date has not yet been announced by the organizer. We've kept this event visible on the calendar around its usual weekend so you can plan ahead. Please check the official race website (linked below) before booking travel.Transvulcania is La Palma’s iconic volcanic trail festival, known for a long island traverse, steep climbing and multiple mountain-running formats.Course HighlightsThe headline ultramarathon traditionally starts at Fuencaliente Lighthouse at 6:00 a.m., with marathon, half marathon and vertical-kilometer options completing

Lavaredo Ultra Trail by UTMB is a Dolomites trail-running classic with distances from a 10K to a 120K mountain ultra based in Cortina d’Ampezzo.Course HighlightsThe 2027 program is scheduled for June 23–27, with the Lavaredo 50K on June 25 at 8:00 a.m. and additional races across the week. Official race information describes the 50K as 50 kilometers with about 2,600 meters of climbing, starting and finishing on Corso Italia in Cortina.Cortina d’Ampezzo and the Dolomites gives the race its sense

The Rut Mountain Runs is a Montana mountain-running festival built around Lone Peak, with distances from a vertical kilometer to a 50K.Course HighlightsThe 2026 celebration runs September 11–13 and includes VK, 11K, 21K, 28K, 50K, a trifecta and the 1K Runt Run. The official distances range from a 4.6K vertical kilometer to an 84K/52.5-mile ultra-style challenge, with steep climbing and high alpine terrain defining the weekend.Big Sky Resort and Lone Mountain gives the race its sense of place, with the

Javelina Jundred is a desert ultramarathon famous for its Halloween-weekend “Jalloween” party atmosphere, generous trail loops and 100-mile challenge.Course HighlightsThe 2026 race runs October 31 through November 1 at the Four Peaks Staging Area. The course is a looped desert trail designed for repeated aid-station access, making it possible to run a very long ultra with a crew, pacer and changing strategy while enjoying the Sonoran landscape.McDowell Mountain Regional Park north of Fountain Hills gives the race its sense of

MIUT is Madeira’s signature point-to-point mountain race, taking runners from rugged Atlantic coast and laurel forest into a demanding island ultra-trail weekend.Course HighlightsThe 18th edition is scheduled for April 24–25, 2027, with a family of distances that reaches from short trail races to the flagship ultra. Madeira’s steep volcanic terrain, forest paths and exposed ridgelines create a course that is scenic but technically and physically serious.Madeira’s north coast, volcanic ridges and mountain villages gives the race its sense of place,

The Atlas Mountain Race is a grueling 1,350km unsupported, single-stage mountain adventure across Morocco's High Atlas and Anti-Atlas ranges. Course Highlights The Atlas Mountain Race (AMR) is a legendary off-road adventure that takes participants through some of the most rugged and breathtaking landscapes in Morocco. For the 2026 edition, the course underwent a significant transformation, moving its starting point to Beni Mellal. This new route explores the heart of the High Atlas, including the spectacular gorges of M’Goun. Riders navigate a complex

The Vermont 100 is a historic ultramarathon featuring a concurrent horse race, challenging runners with 17,000 feet of gain across Vermont's scenic dirt roads and trails. Course Highlights The Vermont 100 Mile Endurance Run is a legendary test of grit set against the scenic backdrop of the southern Green Mountains. The course is a relentless series of "unrelenting rollers" that accumulate to approximately 17,000 feet of elevation gain for the 100-mile distance and 9,000 feet for the 100K. Runners traverse a diverse

The Eiger Ultra Trail by UTMB is a world-renowned trail running event in the Swiss Alps, featuring distances from 15km to 250km set against the backdrop of the iconic Eiger North Face. Course Highlights The Eiger Ultra Trail by UTMB offers an unparalleled alpine experience at the foot of the legendary Eiger North Face in the Bernese Oberland. The crown jewel, the E101 course, takes runners on a spectacular journey through the Jungfrau-Aletsch UNESCO World Nature Heritage site. Key landmarks include the

The Hardrock Hundred Mile Endurance Run is a premier 100-mile ultramarathon in the San Juan Mountains, known for its extreme elevation change and technical high-altitude terrain. Course Highlights The Hardrock Hundred Mile Endurance Run is legendary for its challenging and breathtaking course through the San Juan Mountains in southwestern Colorado. The 2026 edition will follow a clockwise loop, starting and ending in the historic mining town of Silverton. Runners will encounter thirteen major passes in the 12,000' to 13,000' range, showcasing the