Marathon adidas TERREX is the 43.2km mountain marathon at Transvulcania adidas TERREX 2026 (Los Llanos de Aridane, Spain). The race starts on May 9, 2026.
Run the climb at race pace, build your speed on the downhill, and go all out at the finish.
The course climbs 1884m+. With 44m/km of climbing, this is a rolling, mostly runnable course. By gradient, 31% of the distance is uphill, 55% downhill and 14% flat. The longest climb runs 19.5km at an average 7.8% grade (1517m of vertical). The longest descent runs 17.2km at an average 14.2% grade (2438m of vertical). The steepest climb averages 17.7% over 0.6km. The steepest descent drops at 27.3% over 0.3km. Surface: 64% trail, 26% technical, and 5% road. Flat-equivalent effort: 60.8 FlatKM.
Poles bring little benefit here: only about 6.3km of pole-friendly terrain.
Quad damage risk is moderate (index 41 of 100), with 15% of the load in the first half: 0 descents deserve a plan and a couple of downhill sessions before race day.
On race day, start temperatures have historically ranged from 10°C to 12°C, with around 4°C at the highest point; the chance of precipitation is about 6%.
971 finishers completed the 2026 edition. Men's winner: Fran Anguita Bayo (Spain) in 3:39:03. Women's winner: Ikram Rharsalla Laktab (Spain) in 4:12:53.
This page has the full results and splits, a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Marathon adidas TERREX.
Other distances of Transvulcania adidas TERREX 2026Ultramarathon (73.0km)·Half Marathon (24.8km)·Vertical Kilometer (7.3km)
Other editions of Marathon adidas TERREX2025
Official websitetransvulcania.com/en