Start: Stoppomat Col de Reifferscheid Westrampe
There are two StoppOmat mountain time routes in the Radarena am Ring to measure yourself on the mountain with like-minded people. The "gates" of the StoppOmat system are at the start and finish of the mountain time trial. The start and end times for the mountain time trial are registered here.
More information: http://www.stoppomat.de/