Hausmann made her competitive karting debut in the 2019 Rotax Max Challenge Switzerland in the Mini and Junior categories, finishing in 8th and 4th. She returned to karting in 2021 and competed in the ADAC Kart Masters in the OK category. She has also competing in a handful of races in her home country of Switzerland and in Germany as well.[4]
Formula 4
She made her debut in Formula 4 machinery in the Inaugural season of the Formula Winter Series with AKM Motorsport.[5] In the first race at Circuito de Jerez, she came in 4th and in the second race she scored her first ever single-seater podium, coming in 3rd. The next round at Circuit Ricardo Tormo was a disaster as she didn't finish either races, was but classified in the first race. Hausmann did not compete in any other rounds after that.
She also drove in the 2023 Italian F4 Championship and the 2023 Euro 4 Championship for AKM Motorsport, coming up pointless in both series, as she finished in the Italian F4 championship in 40th, she was only the only full time entrant for the team, but she won the women's title. Hausmann finished in 20th in the Euro 4 Championship, her highest position was 11th and she beat Aurelia Nobels as the best placed woman in the championship.[6][7]
F1 Academy
Hausmann was announced to compete in the 2024 season of F1 Academy, an all-female racing series in Formula 4 machinery, with Prema Racing representing Aston Martin.[8] At the first round at Jeddah in Race 1, Hausmann finished the race in sixth to score her first points of the season.[9] In Race 2, she suffered technical difficulties in the first laps of the race and finished in 13th.[10] Hausmann retired from both races in Round 2 at Miami after being hit on the first lap in both races. Her fortunes improved in Round 3 at Barcelona, managing to score points despite suffering from car setup and tyre wear issues in both races. Hausmann ended the season by finishing Race 3 at Abu Dhabi in fourth, her highest finishing place in the season.