Koch started learning to skate in 1999. She and Nüchtern made their international debut at the
2008 NRW Trophy. They placed in the top ten at the
2012 and
2013 World Junior Championships and won the
German junior national title three times (2011–13). Koch/Nüchtern won their first senior international medal, silver, at the 2014
Bavarian Open. After missing the entire 2014–15 season, they returned to international competition in February 2016 at the Bavarian Open. In February 2017, they received the bronze medal at the
Winter Universiade in
Almaty, Kazakhstan. == Programs ==