GREEN COURSE is the 14.0km trail race at Vucko Trail 2027 (Bjelašnica, Bosnia & Herzegovina). The race starts on June 19, 2027.
Short race: go all out.
The course climbs 650m+. With 46m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 43% of the distance is uphill, 47% downhill and 10% flat. The longest climb runs 3.1km at an average 11.5% grade (363m of vertical). The longest descent runs 10.3km at an average 6.1% grade (632m of vertical). The steepest climb averages 25.7% over 0.7km. The steepest descent drops at 16.7% over 0.8km. Surface: 83% trail and 14% smooth. Flat-equivalent effort: 17.3 FlatKM.
The highest summit on the course is Veliki Hrakač (1619m), 2.2km from the start.
The course is runnable enough that trekking poles are not needed.
Quad damage risk is low (index 10 of 100): a few descents worth noting, none of them decisive.
On race day, start temperatures have historically ranged from 12°C to 22°C, with around 16°C at the highest point; the chance of precipitation is about 37%. Heavy rain of 10.0mm or more falls on about 7% of days around this date.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for GREEN COURSE.
Other distances of Vucko Trail 2027BLACK COURSE (105km)·RED COURSE (60.0km)·BLUE COURSE (40.0km)·YELLOW COURSE (26.0km)
Other editions of GREEN COURSE2026·2025
Official websitevuckotrail.ba/bs