Patagonia Run 110K is the 107km ultra trail at Patagonia Run 2026 (San Martín de los Andes, Argentina). The race starts on April 10, 2026 at 09:00 PM. It starts and finishes in San Martín de los Andes. The time limit is 35 h.
Hold a steady pace and save energy for every section.
The course climbs 5730m+. With 53m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 31% of the distance is uphill, 33% downhill and 36% flat. The longest climb runs 20.8km at an average 7.2% grade (1492m of vertical). The longest descent runs 4.5km at an average 14.3% grade (640m of vertical). The steepest climb averages 32.6% over 0.5km. The steepest descent drops at 43.6% over 0.2km. Flat-equivalent effort: 150.0 FlatKM.
Poles bring little benefit here: only about 13.5km of pole-friendly terrain.
Quad damage risk is moderate (index 47 of 100), with 54% of the load in the first half: 3 descents deserve a plan and a couple of downhill sessions before race day.
On race day, start temperatures have historically ranged from 4°C to 13°C, with around 1°C at the highest point; the chance of precipitation is about 34%. Heavy rain of 10.0mm or more falls on about 7% of days around this date.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Patagonia Run 110K.
Other distances of Patagonia Run 2026Patagonia Run 100 Miles (160km)·Patagonia Run 70K (71.0km)·Patagonia Run 42K (42.0km)·Patagonia Run 21K (21.2km)·Patagonia Run 10K (13.0km)
Other editions of Patagonia Run 110K2027
Official websitepatagoniarun.com/en
