From the Wikipedia page 
Wadersloh is a municipality in the district of district of Warendorf, in North Rhine-Westphalia, Germany. It is situated approximately 10 km north-west of Lippstadt and 30 km east of Hamm. In it there is a grammar school which is named Gymnasium Johanneum. Wadersloh was the place of a bike race in 2008 with competitors from all over the world.