In 1993, during the F3 invitational race of the Monaco Grand Prix weekend, she suffered hand injuries in a roll-over crash, which ended her single-seater career.

Between 2003 and 2004, she was champion in Germany's Deutsche Tourenwagen Challenge (DTC), which was renamed DMSB-Produktionswagen-Meisterschaft (DPM).

In 2005, Team Schubert and Hürtgen moved on the VLN endurance racing series on the Nürburgring Nordschleife.

Hürtgen won the VLN championship in 2005, making her the first female champion since Sabine Schmitz in 1998.

In 2021, Hürtgen was set to compete in Extreme E with ABT CUPRA XE alongside Mattias Ekström.