Adamello Ultra Trail (AUT) is a high-alpine race officially listed as 170km, held in late September 2026, starting and finishing in Vezza d'Oglio in the Adamello massif, Lombardy, Italy. The course covers 165km with 11,762m of gain (71.3 m/km) — in the same elite elevation-density tier as the Tor des Géants (72.7 m/km). Only 11.2% of the course is flat.
The opening climb starts at km 0.06: 10.3km gaining 1,410m at 13.7% average — ranked 30th of 385 GPX-analysed distances in the DTR database. A 54-hour cutoff, 16.5km of 20%+ gradient terrain, and a 14.7% DW avg uphill complete the picture. Entry costs €220 before June 30, rising to €240 from July 1 (€1.33/km). Milan Bergamo (BGY) is 2.5–4 hours by road. Founded in 2014, 12th edition in 2026, with 1,000+ participants across all distances in 2025 from 34 countries. Men's CR: Simon Krautloher 22:27:36. It suits highly experienced mountain ultra runners prepared for near-continuous technical alpine terrain across a 54-hour cutoff.