Kosci100

Course

By gradient, 36% of the distance is uphill, 34% downhill and 30% flat. The longest climb runs 5.2 km at an average 9.9% grade (519 m of vertical). The longest descent runs 7.4 km at 8.9% (655 m of vertical). The steepest climb averages 18.0% over 0.8 km. The steepest descent drops at 27.5% over 0.3 km. Surface: 72% trail, 17% smooth, and 10% road.

Poles

Poles bring little benefit here — only about 3.5 km of pole-friendly terrain.

Quad damage

Quad damage risk is moderate (index 41 of 100), with 49% of the load in the first half: 2 descents deserve a plan and a couple of downhill sessions before race day.

• Control on the marked descents until km 53, target pace until km 85, free after that. Short descents not listed: target pace.
• #1 · 33.8–38.8 km · 435 m D−, -8.8% · 63% of the race ahead → control
• #2 · 63.6–72.1 km · 716 m D−, -8.4% · 32% of the race ahead → target pace
• 100.9–105.8 km · 644 m D−, -13.1% · 0% of the race ahead → even, let go at the end