The ADAC Rallye Niedersachsen is an annual racing event that took place on September 9 and 10 2016 in and around Osterode am Harz. It’s part of the ADC Rallye Masters series.
Sadly, I only had the time to visit their starting event.
See their website for more info on the topic.
(Mads Østbergs Ford Fiesta.)
(Mads Østberg being interviewed at the starting line.)