Средња стаза is the 23.5km trail race at Kozomor 2026 (Kosjerić, Serbia). The race starts on May 10, 2026.
Hold a steady pace and save energy for every section.
The course climbs 1160m+. With 49m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 39% of the distance is uphill, 43% downhill and 19% flat. The longest climb runs 5.8km at an average 8.2% grade (481m of vertical). The longest descent runs 5.2km at an average 6.4% grade (336m of vertical). The steepest climb averages 27.2% over 0.4km. The steepest descent drops at 20.3% over 1.1km. Surface: 58% trail, 24% smooth, and 15% road. Flat-equivalent effort: 33.2 FlatKM.
Poles bring little benefit here: only about 4.8km of pole-friendly terrain.
Quad damage risk is low (index 18 of 100): a few descents worth noting, none of them decisive.
On race day, start temperatures have historically ranged from 11°C to 22°C, with around 15°C at the highest point; the chance of precipitation is about 43%. Heavy rain of 10.0mm or more falls on about 6% of days around this date.
72 finishers completed the 2026 edition. Men's winner: Uroš Nestorović (Serbia) in 2:43:23. Women's winner: Nikoleta Nestorović (Serbia) in 2:33:09.
This page has the full results and splits, a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for Средња стаза.
Other distances of Kozomor 2026Велика стаза (35.5km)·Мала стаза (15.7km)
