A 100 km trail race is one of the most spectacular and punishing challenges in endurance sport — a full hundred kilometres through mountains, forests and valleys, often with several thousand metres of climbing. This page collects every upcoming 100 km trail race across Central and Eastern Europe, with dates, locations, organisers and direct online-registration links.
Unlike a road 100K, the trail version is defined as much by elevation and terrain as by distance. You'll climb to panoramic summits, descend technical switchbacks and push on through the night, supported by volunteer aid stations and fellow runners. Finishing a 100 km trail is a genuine alpine-grade achievement, reserved for athletes who train their legs, their stomach and their mind in equal measure.
Choose the 100K trail that matches your experience and sign up in a few clicks. Each listing includes the start date, location, organiser and a secure registration link.
The calendar refreshes daily, so you always see the current 100 km trail races in Ukraine, Poland, Romania and neighbouring countries. Train thoroughly and let Startlek help you find the trail 100K of a lifetime.