Tommy Harfield


Tommy Harfield is a British racing driver who last competed for Chris Dittmann Racing in the F4 British Championship.

Career

Karting

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

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 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

Harfield moved to single seaters in 2025, driving in the F4 British Championship for Chris Dittmann Racing after having multiple test sessions with the team in 2024. Harfield finished third during the first race of the season at Donington Park, 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 He led the standings until August Raber and Fionn McLaughlin had their penalties from race three rescinded, meaning that Harfield fell to fourth in points heading into Silverstone GP round.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 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.

Karting record

Karting career summary

Racing record

Racing career summary

Complete F4 British Championship results

YearTeam1234567891011121314151617181920212223242526272829303132DCPoints
2025Chris Dittmann RacingDPN
1
3		DPN
2
61		DPN
3
4		SILGP
1
Ret		SILGP
2
32		SILGP
3
Ret		SNE
1
11		SNE
2
21		SNE
3
5		THR
1
9		THR
2
95		THR
3
Ret		OUL
1
4		OUL
2
124		OUL
3
18		SILGP
1
4		SILGP
2
2		ZAN
1
9		ZAN
2
58		ZAN
3
5		KNO
1
7		KNO
2
23		KNO
3
5		DPGP
1
1		DPGP
2
Ret		DPGP
3
9		SILN
1
2		SILN
2
12		SILN
3
1		BHGP
1
6		BHGP
2
1		BHGP
3
9		4th246