The Bükk MTB - Marathon is an off-road mountain bike race held in Bélapátfalva, Hungary, a town situated by the Bükk Mountains. Nagy Sport Egyesület is the organizer, offering participants four distance options: 86 km, 60 km, 30 km, and 14 km.
The 86 km route involves 2,300 meters of climbing, and the 60 km route has 1,600 meters of elevation gain. The 30 km and 14 km routes provide access to the same mountain terrain with less demanding climbs of 780 meters and 440 meters, respectively. This event contributes to marathon cup and overall standings, catering to both individuals selecting a distance and competitors aiming for series points.