GO ULTRA

Course

The course climbs 3060 m+. With 48 m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 34% of the distance is uphill, 44% downhill and 21% flat. The longest climb runs 2.2 km at an average 10.5% grade (232 m of vertical). The longest descent runs 4.2 km at 12.3% (519 m of vertical). The steepest climb averages 35.5% over 0.2 km. The steepest descent drops at 41.8% over 0.2 km. Surface: 54% trail, 18% smooth, 15% technical, and 13% road. Flat-equivalent effort: 70.9 FlatKM.

Summits

The highest summit on the course is Gomila (802 m), 24.5 km from the start. The course also passes close to Gomila - Quota Papa (816 m) and Sveti Lovrenc (799 m).

Poles

Poles bring little benefit here — only about 8.2 km of pole-friendly terrain.

Quad damage

Quad damage risk is moderate (index 36 of 100), with 46% of the load in the first half: 1 descents deserve a plan and a couple of downhill sessions before race day.

• Control on the marked descents until km 32, target pace until km 51, free after that. Short descents not listed: target pace.
• #1 · 6.6–8.6 km · 325 m D−, -15.9% · 86% of the race ahead → control
• 28.6–31.1 km · 267 m D−, -10.8% · 51% of the race ahead → control
• 35.7–43.7 km · 394 m D−, -5.0% · 31% of the race ahead → target pace
• 45.1–46.9 km · 290 m D−, -16.0% · 26% of the race ahead → target pace
• 58.9–63.1 km · 519 m D−, -12.3% · 0% of the race ahead → even, let go at the end

Weather

Historically on race day, start temperatures range from 4°C to 13°C, around 7°C at the highest point; the chance of precipitation is about 39%. Heavy rain of 10.0 mm or more falls on about 17% of days around this date.