4 Summits

Course

By gradient, 39% of the distance is uphill, 47% downhill and 14% flat. The longest climb runs 5.7 km at an average 15.5% grade (878 m of vertical). The longest descent runs 6.0 km at 12.1% (730 m of vertical). The steepest climb averages 61.8% over 0.8 km. The steepest descent drops at 31.8% over 0.6 km. Surface: 79% trail, 12% smooth, and 8% road. Flat-equivalent effort: 111.2 FlatKM.

Poles

Trekking poles are strongly recommended: about 12.6 km of the course is steep enough for them to pay off.

Quad damage

Quad damage risk is high (index 53 of 100), with 45% of the load in the first half: 3 critical descents, the last of them run on already damaged legs. Downhill-specific preparation and a controlled early pace pay off here.

• Control on the marked descents until km 35, target pace until km 57, free after that. Short descents not listed: target pace.
• #1 · 14.0–24.6 km · 941 m D−, -8.9% · 65% of the race ahead → control
• #2 · 28.4–37.7 km · 1037 m D−, -11.1% · 47% of the race ahead → target pace
• #3 · 46.6–51.1 km · 574 m D−, -12.8% · 28% of the race ahead → target pace
• 57.5–62.3 km · 535 m D−, -11.0% · 12% of the race ahead → even, let go at the end
• 68.5–70.8 km · 462 m D−, -19.9% · 0% of the race ahead → free

Weather

Historically on race day, start temperatures range from 18°C to 26°C, around 15°C at the highest point; the chance of precipitation is about 52%. Heavy rain of 10.0 mm or more falls on about 8% of days around this date.

Results

238 finishers completed the 2026 edition. Men's winner: Miguel Arsenio (Portugal) in 8:01:29. Women's winner: Therese Årvik (Norway) in 10:17:27.