Ginetta Junior Championship Voisin began his car racing career at the age of 15 in the
Ginetta Junior Championship at R Racing.
GB3 Championship 2022 . In 2022, Voisin progressed to the
GB3 Championship with
Carlin, partnering
Javier Sagrera and
Roberto Faria. Having started out with an unremarkable round at
Oulton Park, Voisin would score his first top five finish at the next event in
Silverstone, before tasting victory for the first time in single-seaters, winning Race 1 at
Donington. He continued impressing at the following round, held at
Snetterton Circuit, where he scored another victory after taking his first pole position in the series. Another podium came in Race 3 at
Spa-Francorchamps, where, having originally been declared the winner, a red flag regulation denied Voisin first place, with victory being instead awarded to
Tommy Smith. The following week, Voisin scored a pair of pole positions, which, despite him failing to convert them into wins, yielded two second places. Voisin ended his season by taking another victory at
Donington Park, which left him fourth in the overall standings, ahead of his two teammates. In addition, Voisin won the Jack Cavill Pole Position Cup for amassing the highest number of pole positions throughout the campaign.
2023 Voisin remained with the renamed
Rodin Carlin for the
2023 GB3 Championship.
2024 Voisin returned to the
2024 GB3 Championship for a one-off round at the season finale in
Brands Hatch with
Rodin Motorsport.
USF Pro Championship At the end of October 2022, Voisin took part in a
USF Pro 2000 Championship test at the
Indianapolis Motor Speedway with Jay Howard Driver Development.
FIA Formula 3 Championship 2024 during the
2024 Spielberg Formula 3 round After winning the
GB3 championship, Voisin was promoted to
FIA Formula 3 for 2024, remaining with Rodin Carlin, now renamed
Rodin Motorsport. Voisin secured his first podium in the series at the
Silverstone Formula 3 feature race. He was originally set to win the race, but a ten-second time penalty demoted him to third, with
Arvid Lindblad inheriting the victory. During the
Spa-Francorchamps feature race, Voisin achieved a grand slam; he was able secure his maiden win,
pole position, and fastest lap in the series. Additionally, he maintained the lead at the start of every lap during the race. It was also Rodin's first win in the championship. He finished the season in 12th position overall with 67 points.
2025 Voisin continued with
Rodin Motorsport for the
2025 FIA Formula 3 Championship alongside fellow
Roman Biliński and
fellow GB3 champion Louis Sharp. The opening weekend in
Melbourne was difficult, with Voisin taking ninth place in the sprint but retiring from the feature race after an incident with
Nikola Tsolov. He then took his first podium of the season in
Bahrain, finishing second in the feature race, which put him third in the overall standings. placing fourth in the afternoon session. The following year in March, he drove for
Andretti during the
Madrid ePrix rookie test. == Sportscar career ==