RT 100K is the 69.0km trail race at Restonica Trail by UTMB 2026 (Corte, France). The race starts on July 9, 2026.
Hold a steady pace and save energy for every section.
The course climbs 3950m+. With 57m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 32% of the distance is uphill, 38% downhill and 30% flat. The longest climb runs 8.2km at an average 17.4% grade (1429m of vertical). The longest descent runs 13.3km at an average 10.3% grade (1362m of vertical). The steepest climb averages 42.9% over 0.2km. The steepest descent drops at 36.1% over 0.3km. Surface: 63% trail and 28% technical. Flat-equivalent effort: 115.1 FlatKM.
The course also passes close to Punta Finosa (887m).
Trekking poles are strongly recommended: about 10.6km of the course is steep enough for them to pay off.
Quad damage risk is moderate (index 44 of 100), with 28% of the load in the first half: 2 descents deserve a plan and a couple of downhill sessions before race day.
On race day, start temperatures have historically ranged from 22°C to 28°C, with around 15°C at the highest point; the chance of precipitation is about 10%.
858 finishers completed the 2026 edition. Men's winner: Benjamin Roubiol (France) in 7:31:28. Women's winner: Sarah Vieuille (France) in 9:53:57.
This page has the full results and splits, a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for RT 100K.
Other distances of Restonica Trail by UTMB 2026UTC 100M (113km)·Tavignanu Trail (33.0km)
Other editions of RT 100K2027·2025
Official websiterestonica.utmb.world