In 2006 Werner Sonntag became 80 years old. His legendary work “Irgendwann musst Du Biel” every ultrarunner will probably know at least from the hearing legend. To him to honour a festival writing has put together by the DUV. It contains two short birthday wishes and other 20 Bielstories. Experience reports all around 100 km run which is called in general “ the night of the nights ”.