Overall ​Upwards rounded rating baesd on the avarage score of ​endurance, technic, ​days, distance and up/down. Unfortunately the judgment undoubtedly contains subjective elements, please make your own assessments and prepare well!

Endurance Requirements for endurance (unfortunately the judgment undoubtedly contains subjective elements, please make your own assessments and prepare well!).
1 star basic endurance required. 2 stars above average endurance required. 3 stars above average endurance required, partly due to extreme or changing weather conditions (hot, cold, rain, mud, etc.). 4 stars more than above average endurance required, including due to extreme or changing weather conditions. 5 stars way above average endurance / professional endurance, including due to extreme or changing weather conditions. 

Technic Indication of the technical difficulty of the average stages (unfortunately the judgment undoubtedly contains subjective elements, please make your own assessments and prepare well!).
1 star flat or slightly sloping roads with a level surface and/or asfaltos, no or hardly no singletracks. 2 stars mainly off road, but flat or slightly sloping roads with a level surface and some singletracks. 3 stars mainly off-road with single tracks, roots and / or rocks and / or sandy parts in hilly surroundings. 4 stars mainly off road with singletracks, roots and/or rocks and/or sandy pieces including steep climbs and/or downhills in mountainous surroundings. 5 stars mainly off-road, technical passages, steep climbs, fast descents including natural jumps and drops, changing surfaces both up and down.

Days Number of days of the event.
1 star 2 days or less. 2 stars 3 days. 3 stars 4 days. 4 stars 5 days. 5 stars 6 days or more

Distance Average kilometers per stage.
1 star 40 km or less. 2 stars 40- 59 km. 3 stars 60- 79 km. 4 stars 80 - 99 km. 5 stars 100 km or more. 

Up/down Average uphill meters per stage.
1 star 500 meters or less. 2 stars 501 - 1,000 meters. 3 stars 1,001 - 1,500 meters. 4 stars 1,501 - 2,000 meters. 5 stars 2,001 meters or more.