The Swiss Bike Park Oberried and the International Mountain Bicycling Association IMBA (Europe) have developed the International Trail Rating System (ITRS) to classify the challenges of mountain bike trails and routes.

The Swiss Bike Park Oberried and the International Mountain Bicycling Association IMBA (Europe) have developed the International Trail Rating System (ITRS) to classify the challenges of mountain bike trails and routes.
We are glad to announce that the ITRS (International Trail Rating System) will be presented at IMBA Europe’s 10th anniversary summit in Val di Sole (Italy) 2/3 June 2022.