On August 20th, 2017 Leon Gross and Vincent Keller are invited to lecture in the course of a church service in Christus Church in Kassel.

During the service there will be an interview about their bicycle tour and afterwards you can watch a multiple media show in the parish house. Address/Route

Furthermore, on Februray 25th, 2018 both men are invited at the bicycle fair “Oberursel rides on ... Day of he bicycle“  (www.oberurselfährtab.de) as speakers for two lectures.