David Walther (born 14 February 2008) is a Danish racing driver currently competing in the Italian F4 and Formula 4 CEZ Championship for Maffi Racing.
Career Karting (2013–2024) Walther began karting in 2013, primarily racing in Denmark until 2020, the year in which he won the OK-J title. Moving to Koski Motorsport to compete in International races for 2021, Walther won the Trofeo Grifone, as well as representing Denmark in the Karting Academy Trophy, in which he finished runner-up to Maciej Gładysz. Towards the end of the year, Walther also finished fourth in the Karting World Championship from pole position, before finishing fifth in the WSK Final Cup.
Remaining with Koski for his step-up to senior karts in 2022, Walther most notably was sixth in the WSK Open Cup and ninth in the end-of-year WSK Final Cup's standings. Continuing with the team for 2023, Walther began the year by winning the WSK Champions Cup and taking fourth in the WSK Super Master Series points. Following a mid-season switch to Tony Kart Racing Team, Walther took fifth in the WSK Euro Series standings before ending the year with a ninth-place finish in the WSK Final Cup standings. In his final year of karting in 2024, Walther most notably took fourth in the WSK Super Master Series standings, in a year in which he also made his debut in KZ2.
Formula 4 (2025–present) In 2025, Walther made his single-seater debut for Maffi Racing in select rounds of the Formula Winter Series, in which he took a best result of 12th at Valencia, before remaining with the team for a dual campaign in the Formula 4 CEZ and Italian F4 Championships. In the former, Walther took his maiden single-seater win at the second Red Bull Ring round and scored three other podiums to take seventh in points, whereas in the Italian series he only took a best result of 12th at Misano.
The following year, Walther continued with Maffi for another dual campaign in the Formula 4 CEZ and Italian F4 Championships. In the former, Walther kicked off the season with two wins at the Red Bull Ring, two podiums at the Salzburgring and a win at the Slovakia Ring to take an early championship lead. In the latter, Walther began the season by taking his maiden series podiums between the Misano and Vallelunga rounds.
Karting record Karting career summary SeasonSeriesTeamPosition 2017Sjællandsmesterskabet — Cadett Mini18th 2018Sjællandsmesterskabet — Cadett Junior9th2020Danish Championship — OK-J1stSwedish Championship — OK-J2ndSouth Garda Winter Cup — OK-JNanne ThadenNC2021WSK Champions Cup — OK-JKoski MotorsportNCWSK Super Master Series — OK-J33rdTrofeo Grifone — OK-J1stChampions of the Future — OK-J23rdKarting European Championship — OK-J28thDeutsche Kart-Meisterschaft — OK-J42ndWSK Euro Series — OK-J16thKarting Academy TrophyMarcus Walther2ndKarting World Championship — OK-JKoski Motorsport4thWSK Final Cup — OK-J5th2022WSK Super Master Series — OKKoski Motorsport12thChampions of the Future Euro Series — OK17thKarting European Championship — OK15thWSK Euro Series — OK23rdItalian Karting Championship — OK4thKarting World Championship — OK35thWSK Open Cup — OK6thWSK Final Cup — OK9th2023WSK Champions Cup — OKKoski Motorsport1stWSK Super Master Series — OK4thChampions of the Future Euro Series — OK12thKarting European Championship — OK12thWSK Euro Series — OKKoski MotorsportTony Kart Racing Team5thKarting World Championship — OKTony Kart Racing Team24thWSK Final Cup — OK9th2024WSK Super Master Series — OKTony Kart Racing Team4thChampions of the Future Euro Series — OK23rdKarting European Championship — OK11thWSK Open Cup — KZ251stKarting European Championship — KZ263rdKarting World Championship — OK21stChampions of the Future Shifters — KZ228thKarting World Cup — KZ243rdWSK Final Cup — OK14thSources:
Racing record Racing career summary Season Series Team Races Wins Poles F/Laps Podiums Points Position2025 Formula Winter Series Maffi Racing 6 0 0 0 0 0 26th Formula 4 CEZ Championship 12 1 0 5 4 113 7th Italian F4 Championship 19 0 0 0 0 0 33rd2026 Formula 4 CEZ Championship Maffi Racing 8 3 2 2 8 167*1st* Italian F4 Championship 9 0 0 0 2 106* 8th*Sources: Season still in progress.
Complete Formula Winter Series results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) Year Team 1 2 3 4 5 6 7 8 9 10 11 12 DC Points 2025 Maffi Racing POR1 POR2 POR3 CRT1 CRT2 CRT3 ARA1 ARA2 ARA3 CAT1 CAT2 CAT3 26th 0
Complete Formula 4 CEZ Championship results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) Year Team 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 DC Points 2025 Maffi RacingRBR11RBR12RBR13RBR21RBR22RBR23SAL1SAL2SAL3MOS1MOS2MOS3SVK1SVK2SVK3BRN1BRN2BRN3 7th 113 2026 Maffi RacingRBR11 RBR12RBR13RBR14SAL1 SAL2SAL3SAL4 SVK1SVK2SVK3SVK4MOS1MOS2MOS3MOS4BRN1BRN2BRN3BRN4HUN1HUN2HUN3HUN4 1st* 167* Season still in progress.
Complete Italian F4 Championship results (key) (Races in bold indicate pole position; races in italics indicate fastest lap) Year Team 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 DC Points 2025 Maffi RacingMIS11 MIS12MIS13MIS14VLL1VLL2VLL3VLL4MNZ1MNZ2MNZ3MUG1MUG2MUG3IMO1IMO2IMO3CAT1 CAT2CAT3MIS21 MIS22MIS23MIS24MIS25 33rd 0 2026 Maffi RacingMIS11MIS12MIS13MIS14VLL1VLL2VLL3VLL4MNZ1MNZ2MNZ3MNZ4MUG11MUG12MUG13IMO1IMO2IMO3MIS21MIS22MIS23MUG21MUG22MUG23 8th* 106* Season still in progress.
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