[1] She was a founding member of Munich's Alpine Club competition climbing team in 2004, and was selected to the Bavarian squad in 2006.

[18] In July at the Wroclaw World Games, she placed fourth in the women's competition bouldering event.

[19] The next month, in August 2017 she announced her retirement from competitive sport at the Bouldering World Cup, after placing 31st.

[20] Retschy had been open about her intention to retire from competitive sport, as earning money from bouldering caused too much stress and pressure to perform.

[1][21] Retschy studied sports science and was a trainer for the German Alpine Club's junior climbers in Munich.