Tommy Harfield (born 15 October 2008) is a British racing driver competing for Chris Dittmann Racing in the F4 British Championship.
Harfield finished fourth in the standings in 2025, winning three races.
Career Karting (2020–2023) Harfield began his karting career when he was nine, winning races in Honda Cadet karts. He finished within the top-ten during the British Kart Championship, driving in the X30 Mini class. He also achieved several wins and podiums while driving in Junior Rotax. When Harfield was twelve, he won the 2020 Shennington Cadet Championship.
Fiesta Junior Championship (2023–2024) Harfield drove in the Fiesta Junior Championship in 2023 and 2024, driving a modified Ford Fiesta with a 1.6 litre engine. In 2023, he competed in two rounds (Silverstone and Donington) midway through the season. For the 2024 season, Harfield drove for Race Car Consultants. He managed to secure two back to back wins at Croft Circuit, but his season was cut short due to a hand injury.
Formula 4 (2025–present) 2025 Harfield moved to single seaters in 2025, driving in the F4 British Championship for Chris Dittmann Racing (CDR) after having multiple test sessions with the team in 2024. Harfield finished third during the first race of the season at Donington Park (national layout), and had a second-place finish later that weekend during race three. He led the standings until August Raber and Fionn McLaughlin had their penalties from race three rescinded, meaning that Harfield fell to fourth in points heading into Silverstone GP round. At Silverstone, he secured his second podium of the season by finishing in third during race two. He finished second at the second race during the Snetterton round, and had another second-place finish during race two at Knockhill.
For the Donington Park (Grand Prix layout) round, Harfield qualified in second overall behind debutant Dries Van Langendonck, and secured pole position for race one. Harfield won race one from pole, marking both his and CDR's first win in the series. By competing the Donington GP round, he was ineligible to score points for the Challenge Cup—sub-championship for drivers who contest seven rounds of the main championship—in which he had a 99-point lead in before his previous scores were all dropped. At the Silverstone National round, Harfield started on pole position for race one and finished second behind McLaughlin. Harfield took his second win in the series during race three, after a back and forth battle between him and McLaughlin. For the season finale at Brands Hatch, Harfield started on first for race two and continued his lead until the end with a lights to flag victory. He finished the season in fourth, with 246 points. At the end of 2025, Harfield made a one-off appearance in Formula Trophy for X GP at Abu Dhabi, finishing second in race two.
2026
Harfield continued in British F4 for 2026 with Chris Dittmann Racing.
Karting record Karting career summary SeasonSeriesTeamPosition2020Shenington Kart Racing Club — Cadet1stBritish Kart Championship — Honda CadetAmbition Motorsport 20th2021British Kart Championship — X30 MiniKR-Sport 9thLGM Championship — X30 Mini 11th2022Ultimate Karting Championship — Junior Rotax 65thBritish Kart Championship — Junior RotaxKR-Sport 24thTVKC Festive Cup — Junior Rotax 9thIAME 0 Plate — X30 Junior 24th2023Rotax 0 Plate — Junior RotaxKR-Sport 19thBritish Kart Championship — Junior Rotax 43rdUltimate Karting Championship — Junior Rotax 51stWhilton Mill Kart Club — Junior Rotax 82ndSources:
Racing record Racing career summary Season Series Team Races Wins Poles F/Laps Podiums Points Position 2023BRSCC Fiesta Junior Championship 3 0 0 0 0 0 28th 2024BRSCC Fiesta Junior ChampionshipRace Car Consultants 11 2 0 0 4 246 12th2025F4 British ChampionshipChris Dittmann Racing 30 3 2 4 8 246 4thFormula TrophyX GP 2 0 0 0 1 18 11th2026F4 British ChampionshipChris Dittmann Racing 12 0 0 1 1 46 12th*Eurocup-3Double R Racing 0 0 0 0 0 0 32nd*Sources: Season still in progress.
Complete F4 British 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 26 27 28 29 30 31 32 DC Points 2025 Chris Dittmann Racing DPN1 DPN2 DPN3 SILGP1 SILGP2 SILGP3 SNE1 SNE2 SNE3 THR1 THR2 THR3 OUL1 OUL2 OUL3 SILGP1 SILGP2 ZAN1 ZAN2 ZAN3 KNO1 KNO2 KNO3 DPGP1 DPGP2 DPGP3 SILN1 SILN2 SILN3 BHGP1 BHGP2 BHGP3 4th 246 2026 DPN1 DPN2 DPN3 BHI1 BHI2 BHI3 SNE1 SNE2 SNE3 SILGP1 SILGP2 SILGP3 ZAN1 ZAN2 ZAN3 THR1 THR2 THR3 DPGP1 DPGP2 DPGP3 CRO1 CRO2 CRO3 SILN1 SILN2 SILN3 BHGP1 BHGP2 BHGP3 12th* 46* Season still in progress.
Complete Formula Trophy results (key) (Races in bold indicate pole position; races in italics indicate fastest lap) Year Team 1 2 3 4 5 6 7 DC Points 2025 X GPDUB1DUB2DUB3YMC11YMC12YMC21YMC22 11th 18
Complete Eurocup-3 results (key) (Races in bold indicate pole position; races in italics indicate fastest lap) YearTeam12345678910111213141516171819Points 2026 LEC1LECSRLEC2POR1POR2IMO1IMOSRIMO2MNZ1MNZ2SIL1SIL2JER1JERSRJER2HUN1HUN2CAT1CAT2 32nd* 0* Season still in progress.
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