ISKRA 11K is the 10.7km trail race at ISKRA Trail Košutnjak 2026 (Košutnjak, Serbia). The race starts on March 22, 2026.
The course climbs 358m+ and descends 358m−. With 33m/km of climbing, this is a rolling, mostly runnable course. By gradient, 22% of the distance is uphill, 22% downhill and 55% flat. Surface: 85% trail, 8% road, and 8% smooth. Flat-equivalent effort: 11.6 FlatKM.
The course is runnable enough that trekking poles are not needed.
There is too little runnable descent to damage the quads: plan the race around climbing and fuelling.
On race day, start temperatures have historically ranged from 3°C to 16°C, with around 10°C at the highest point; the chance of precipitation is about 25%. Heavy rain of 10.0mm or more falls on about 4% of days around this date.
104 finishers completed the 2026 edition. Men's winner: Daniil Orlov (Russia) in 51:57. Women's winner: Daria Bushkova (Russia) in 53:33.
This page has the full results and splits, a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for ISKRA 11K.
Other distances of ISKRA Trail Košutnjak 2026ISKRA 7K (7.0km)
Official websiteruntrace.net/kosutnjak2026
