Felix Hirsiger

Hirsiger competed in karting from 2008 to 2012, most notably winning the Swiss Rotax Max Challenge Mini title in 2010, as well as the Swiss Karting Championship the following year, in KF3.^[1] In 2013, Hirsiger stepped up to single-seaters, joining the FFSA Academy centrally-run French F4 Championship.^[2] Starting the season with second-place finishes at Pau and Spa,^[3][4] Hirsiger then took further podiums at Lédenon and Le Castellet en route to a sixth-place points finish.^[5]

Remaining in the series for 2014,^[6] Hirsiger began the season by taking five podiums in the first seven races, as well as his maiden pole position at Le Mans.^[7] At Magny-Cours, Hirsiger took his only series wins, doing so in races one and three from pole,^[8] before taking four podiums in the remaining three rounds of the season to secure third in the overall standings.^[9] At the end of the year, Hirsiger tested Formula Renault 2.0 machinery for ART Junior Team,^[10] and was slated to race for the team in the 2015 Formula Renault 2.0 Northern European Cup,^[11] but ultimately only made a one-off appearance in the V de V Challenge Monoplace for RC Formula that year.^[12]

Facing budget constraints, Hirsiger switched to cycling in 2016, competing in select road racing events until 2019.^[13][14] The following year, Hirsiger made his return to car racing, competing for Porsche-affiliated Allied Racing in DTM Trophy.^[15] Racing in the first four rounds of the season, Hirsiger scored a best result of second in race one at the Lausitzring from pole to end the season 10th in the standings.^[16][17] Despite joining Teichmann Racing to campaign a KTM X-Bow in the Cup X class of the 2021 Nürburgring Langstrecken-Serie,^[18] Hirsiger ultimately sat on the sidelines until 2023, when he made one-off appearances in the GT4 European Series and Porsche Carrera Cup Germany for SRS Team Sorg Rennsport.^[19]

Remaining in Porsche one-make series for 2024, Hirsiger joined Fach Auto Tech to race in Porsche Sprint Challenge Suisse, where he was crowned champion after winning 11 out of 12 races.^[20][21] The following year, Hirsiger switched to Ineco - Reparto Corse RAM to compete in Ferrari Challenge Europe,^[22] taking nine wins and two other podiums to secure the Trofeo Pirelli title over Jasin Ferati.^[23] During 2025, Hirsiger also made his ADAC GT Masters debut for Lamborghini-affiliated Liqui Moly Team Engstler by GRT.^[24]

After competing in select rounds of the following year's GT Winter Series for Liqui Moly Team Engstler between the Cup 1 and GT3 classes,^[25][26] Hirsiger remained with them for the rest of 2026 to compete in ADAC GT Masters alongside Finn Zulauf.^[27] In parallel, Hirsiger joined AF Corse to compete in the Silver Cup of the GT World Challenge Europe Sprint Cup, sharing a Ferrari 296 GT3 Evo with Carl Bennett.^[28]