Snowdonia, United Kingdom October 24, 2026
A wild road-and-trail marathon circling the foot of Snowdon through the heart of Welsh mountain country. No frills, just stunning scenery and a brutal final climb.
Trail 42.2 km · 1,800 m+
From Interlaken up to the glacier under the Eiger, Monch and Jungfrau. One of the most beautiful mountain marathons in the world, climbing all the way to the finish.
Trail 42.2 km · 21.1 km · 10 km
Run beneath the granite towers and glaciers of Torres del Paine National Park. Wild Patagonian wind and some of the most dramatic scenery on Earth.
Trail 42.2 km · 2,400 m+
America's Ultimate Challenge, climbing from Manitou Springs to the 4,300 m summit of Pikes Peak and back. Thin air and relentless gradient make it a legend.