[1] In July 2015, Hentke broke the German record in the 200-meter butterfly (long course) with a time of 2:05.26.

[2] At the 2015 World Aquatics Championships in Kazan, Russia, she finished tied 4th in this event.

In the final she broke her own national record with a time of 2:03.01, making her the sixth fastest performer all-time in this event.

Hentke won her first international long-course title, in the 200 meter butterfly, at the 2016 European Aquatics Championships in London.

She beat Hungarian Liliána Szilágyi by 0.01 s.[4] At the 2016 Summer Olympics, Hentke finished 11th in the semifinals of the 200 m butterfly and did not qualify for the final.