*Club domestic league appearances and goals, correct as of 13:28, 15 January 2024 (UTC) ‡ National team caps and goals, correct as of 22:09, 5 December 2023 (UTC)
Petermann played at TSV Otterndorf, where she had to play in a team with boys up until the C-Youth level. This was followed by a few years in the JugendSpielgemeinschaft Otterndorf/Altenwalde/Wanna (JSG OttAWA), before she moved to SV Ahlerstedt/Ottendorf in the winter of 2009.
Petermann started her club career at Hamburger SV. On September 20, 2009 (1st matchday) she made her Bundesliga debut in the 1-4 defeat in the home game against FCR 2001 Duisburg. She scored her first Bundesliga goal on November 8, 2009 (8th matchday) in a 4-2 win in the away game against 1. FC Saarbrücken.
After 74 league and 13 cup games for SC Freiburg, she joined Turbine Potsdam for the 2018/19 season. After just one year, in which she scored 7 goals in 10 games, she left Turbine Potsdam and moved to France to play for Montpellier HSC for 4 years.
She played for U-20 national team and was part of the winning team of the 2014 FIFA U-20 World Cup where she scored three goals. The first was in a 2–0 victory against the United States at the group stage, she scored the first goal of that match.[8][9] Her second goal came during the semifinal against France, with the scores at 1–1 and France dominating the match, she scored the winning goal (2–1) at the 81st minute.[10] Her third goal was the title winning goal during the 1–0 triumph over Nigeria, scored at the 98th minute during the match extra-time.[11][12]
Senior
Petermann made her debut for the senior German team on 6 March 2015 at the Algarve Cup against China.[13] She was part of the German squad of the 2015 World Cup in Canada,[14] where she scored her first two senior international goals for Germany, making it 2-0 and 3-0 in the 56th and 58th minutes in the group stage 4–0 win against Thailand.[13]