She officially announced her retirement from competitive figure skating in November 2024 due to an injury.

[4] Weinzierl began training in figure skating in 2001 at Mannheim MERC, coached by Günter Zöller from 2002.

[4] In the 2009–2010 season, Weinzierl debuted on the Junior Grand Prix series, placing 24th and 28th in her two events.

Toward the end of the season, she made her first appearance on the international senior level, finishing 5th at the 2010 Triglav Trophy.

[10] Weinzierl returned to the JGP series, finishing 9th and 10th in her two events, and then won her first senior national medal, silver, at the 2013 German Championships.

Weinzierl was selected to represent Germany at the Winter Olympics, held in February 2014 in Sochi, Russia.

She did not qualify to the free skate at the 2016 World Championships in Boston, placing 35th in the short program.