Martinius Kleve Stenshorne (born 2 February 2006) is a Norwegian racing driver who most recently competed for R-ace GP in the 2023 Formula Regional European Championship.
He previously raced with Van Amersfoort Racing in the Italian F4 Championship. He is a part of All Road Management run by Nicolas Todt.
Career
Karting
Stenshorne began karting competitively at the age of 10 in 2016. He placed second in the WSK Champions Cup in 2018, before proceeding to win the WSK Master Series and the Italian Championship. He placed 13th in the CIK-FIA European Championship in 2019, and improved his place by one in 2021. Other that that, he obtained good results from other championships, like second place in the 2020 WSK Champions Cup. In 2021, he was added to the All Road Management stable run by Nicolas Todt.
Formula 4
Stenshorne made his single-seater debut in the 2022 Formula 4 UAE Championship with R-ace GP. He achieved his first podium eight races in, a second place at the last race in Dubai. He eventually finished tenth in the standings, scoring 72 points.
For his main campaign, Stenshorne joined Van Amersfoort Racing racing in the 2022 Italian F4 Championship. He began the season posititvely, scoring two fifth places and a seventh place at Imola. Throughout the next four rounds, even though he failed to get a podium, he managed to score points in every race bar three. Monza delivered a breakthrough, earning a first Italian F4 podium in third place during the second race. After another third place in Mugello, Stenshorne ended his season seventh place in the standings, harnessing 122 points.
Stenshorne was also set to compete full-time in the 2022 ADAC Formula 4 Championship, but VAR withdrew from the first round due to supply chain concerns. The team returned for the second round, but VAR's drivers were classified under guest drivers, resulting in Stenshorne to be classified as a guest driver. He also participated in a one-off round during the 2022 F4 Spanish Championship at MotorLand Aragón. Taking two sixth places and a fifth place, he was classified 17th in the standings.
Formula Regional
At the start of 2023, Stenshorne moved to the Formula Regional category, partaking in the 2023 Formula Regional Middle East Championship with R-ace GP for the final three rounds. He earned three points finishes and ended the standings in 18th.
For his main campaign, Stenshorne raced in the Formula Regional European Championship with R-ace GP. Stenshorne shocked the paddock on debut in Imola, by taking pole and proceeding to take his first win in car racing. He would again impress in the second race, taking a second place. He performed a masterclass double victory during the third round in Hungary, giving him an early championship lead. A podium during the next round before taking his fourth win in Mugello. He would eventually lose the standings lead to Italian F4 rival Andrea Kimi Antonelli during the next round at Paul Ricard.
FIA Formula 3 Championship
Stenshorne partook in Formula 3 post-season testing with Hitech Grand Prix in September 2023, setting the fastest time in the afternoon in Jerez.
Personal life
His father, Martin, was also a racing driver who competed in the Barber Pro Series during the 1990s.
Karting record
Karting career summary
Racing record
Racing career summary
* Season still in progress.† As Stenshorne was a guest driver, he was ineligible for championship points.
Complete F4 UAE Championship results
(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)
Complete Italian F4 Championship results
(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)
Complete ADAC Formula 4 Championship results
(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)
† As Stenshorne was a guest driver, he was ineligible to score points.
Complete F4 Spanish Championship results
(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)
Complete Formula Regional Middle East Championship results
(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)
Complete Formula Regional European Championship results
(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)