 The Berlin U-Bahn had its first record set on May 2, 2014, by Michael Wurm, Henning Colsman-Freyberger, Rudolf von Grot and Oliver Ziemek.They visited the 173 stations in 7 hours, 33 minutes and 15 seconds.This was beaten by Adham Fisher on May 26, 2017, with a new time of 6 hours, 53 minutes and 24 seconds.