Hiroshi Koizumi (racing driver)

This article is about the Japanese racing driver. For the actor and TV presenter, see Hiroshi Koizumi.
Hiroshi Koizumi
Koizumi in 2014
Nationality Japanese
Born (1969-05-25) 25 May 1969
Kanagawa, Japan
Racing licence FIA Bronze
Championship titles
2014Japanese Formula 3 Championship – National

Hiroshi Koizumi (小泉 洋史, Koizumi Hiroshi; born 25 May 1969 in Kanagawa[1]) is a Japanese racing driver currently competing for TF Sport in the LMGT3 class of the European Le Mans Series.

Career

Early beginnings and National Japanese F3 title (2004–2015)

Koizumi made his car-racing debut in 2004, racing in the Honda Integra Kanto Series, where he took a best result of second in the second round.[2] The following year, he switched to Super Taikyu, racing in the ST-3 class for Tomei Sports alongside Akira Yoshitomi.[3] Finishing sixth in class on debut at Sendai,[4] Koizumi took his best result of the season at the following round at Suzuka despite incurring a 10-second penalty.[5] Having completed four of the eight races in the Super Taikyu schedule, Koizumi and Tomei Sports finished 11th in the ST-3 standings.[6] During 2005, Koizumi also raced in the Suzuka 1000 km for Gaikoku-ya Advan Porsche in the GT300 class. On his GT300 debut, Koizumi finished third in class and sixth overall.[7]

After racing in Formula Toyota in 2006,[8] Koizumi returned to GT300 competition in 2007 by joining Team Gaikokuya in Super GT.[9] Koizumi competed in Super GT on a near-full time basis until 2011, during which he scored a best result of seventh at the 2010 Pokka GT Summer Special.[10] After concentrating on Japanese Formula 3, Koizumi returned to Super GT in 2015, joining apr alongside Yuki Iwasaki.[11] Completing his first full season in Super GT competition with apr, Koizumi took two 13th-place results as best finishes across the eight-race season in both the season-opener at Okayama and Suzuka.[12]

Returning to single-seaters in 2009, Koizumi joined CMS Motor Sports Project in the National class of the Japanese Formula 3 Championship. Following two seasons with CMS, Koizumi switched to Hanashima Racing, with whom he'd clinch the National class title in 2014 after winning eight of the 15 races.[13] During his five-year tenure in F3, Koizumi also won the 2013 3 Hours of Fuji as he made a one-off appearance in the LMP2 class of the Asian Le Mans Series for KCMG.[14]

Return to racing and international debut (2022–)

Following a seven-year hiatus, Koizumi returned to racing in 2022, joinning ABSSA Motorsport in GT World Challenge Asia alongside Keita Sawa.[15] Taking a best result of fourth in race one at the season-ending Okayama round, the pair ended the season 12th overall and 8th in the Pro-Am standings.[16] At the end of 2022, Koizumi joined AF Corse to make his debut at the final round of the Michelin Le Mans Cup in the GT3 class alongside Kei Cozzolino. The duo started third and held off Jan Magnussen in the closing stages to win on debut.[17]

Returning to AF Corse for 2023, Koizumi raced in the Michelin Le Mans Cup on a full-time basis, alongside Kei Cozzolino marking his first season outside of Japan.[18] The pair finished third in the season-opening round at Barcelona,[19] before winning the penultimate round of the season in Aragón and finishing runner-up in the standings to Racing Spirit of Léman.[20] During 2023, Koizumi also made his WEC debut, racing in at the penultimate round of the season at Fuji alongside Simon Mann and Kei Cozzolino.[21] Qualifying fifth but later getting his time deleted on debut,[22] Koizumi finished his first WEC race in 12th.[23]

In 2024, Koizumi joined TF Sport to make his full-time WEC debut in the LMGT3 class alongside Daniel Juncadella and Sébastien Baud.[24] At Losail, Koizumi qualified 11th, and despite a drive-through penalty for Juncadella for violating track limits later in the race, was able to finish 10th to take his first points in the series.[25] At the penultimate round of the season at Fuji, Koizumi advanced to hyperpole and qualified seventh in LMGT3.[26] In the race, Koizumi ran sixth before his race was ended after his car didn't start following a pit stop.[27] In the final race of the season in Bahrain, Koizumi took his maiden WEC podium by finishing third, which helped him finish 14th in the driver's standings.[28]

Koizumi remained with TF Sport for 2025, albeit switching to the European Le Mans Series, alongside Rui Andrade and Charlie Eastwood.[29]

Racing record

Racing career summary

Season Series Team Races Wins Poles F/Laps Podiums Points Position
2004 Integra Kanto Series ?? ?? ?? ?? 1 ?? ??
2005 Super Taikyu – ST-3 Tomei Sports 4 0 0 0 1 26‡ 11th‡
Suzuka 1000 km – GT300 Gaikoku-ya Advan Porsche 1 0 0 0 1 N/A 3rd
2006 Formula Toyota Bomex Casval FT 8 0 0 0 0 0 13th
2007 Super GT – GT300 Team Gaikokuya 4 0 0 0 0 0 NC
Arktech Motorsports 3 0 0 0 0
2008 Super GT – GT300 Arktech Motorsports 8 0 0 0 0 3 30th
2009 Super GT – GT300 Tomei Sports 7 0 0 0 0 0 NC
Japanese Formula 3 Championship – National CMS Motor Sports Project 8 0 0 0 0 1 11th
2010 Super GT – GT300 LMP Motorsport 7 0 0 0 0 10 15th
Japanese Formula 3 Championship – National CMS Motor Sports Project 6 0 0 0 0 0 14th
2011 Super GT – GT300 Team Taisan 5 0 0 0 0 4 19th
Japanese Formula 3 Championship – National Hanashima Racing 3 0 0 0 0 1 9th
2012 Japanese Formula 3 Championship – National Hanashima Racing 15 0 0 0 1 23 6th
2013 Asian Le Mans Series – LMP2 KCMG 1 1 0 0 1 25 8th
Japanese Formula 3 Championship – National Hanashima Racing 15 0 0 0 8 50 3rd
2014 Japanese Formula 3 Championship – National Hanashima Racing 15 8 6 8 12 124 1st
2015 Super GT – GT300 apr 8 0 0 0 0 0 NC
2022 GT World Challenge Asia – GT3 Pro-Am ABSSA Motorsport 8 0 0 0 1 61 8th
Super Taikyu – ST-X MP Racing[30] 1 0 0 0 0 35‡ 8th‡
Le Mans Cup – GT3 AF Corse 1 1 0 0 1 25 11th
2023 Le Mans Cup – GT3 AF Corse 7 1 0 0 2 77 2nd
FIA World Endurance Championship – LMGTE Am 1 0 0 0 0 0 31st
2024 FIA World Endurance Championship – LMGT3 TF Sport 8 0 0 0 1 37 14th
2025 European Le Mans Series – LMGT3 TF Sport
Sources:[31]

‡ Team standings

Complete Asian Le Mans Series results

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

Year Team Class Car Engine 1 2 3 4 Pos. Points
2013 KCMG LMP2 Morgan LMP2 Nissan VK45DE 4.5 L V8 INJ
 FUJ
1 		ZHU
 SEP
 8th 25

* Season still in progress.

Complete GT World Challenge Asia results

(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

Year Team Car Class 1 2 3 4 5 6 7 8 9 10 DC Points
2022 ABSSA Motorsport McLaren 720S GT3 GT3 Pro-Am BUR
1
 BUR
2
 FSW
1
12 		FSW
2
7 		SUZ
1
15 		SUZ
2
6 		SUG
1
6 		SUG
2
13 		OKA
1
4 		OKA
2
14 		8th 61

Complete Le Mans Cup results

(key) (Races in bold indicate pole position; results in italics indicate fastest lap)

Year Entrant Class Chassis 1 2 3 4 5 6 7 Rank Points
2022 AF Corse GT3 Ferrari 488 GT3 Evo 2020 LEC IMO LMS
1 		LMS
2 		MNZ SPA ALG
1 		11th 25
2023 AF Corse GT3 Ferrari 296 GT3 CAT
3 		LMS
1
4 		LMS
2
16 		LEC
4 		ARA
1 		SPA
6 		ALG
5 		2nd 77

Complete FIA World Endurance Championship results

(key) (Races in bold indicate pole position; races in italics indicate fastest lap)

Year Entrant Class Car Engine 1 2 3 4 5 6 7 8 Rank Points
2023 AF Corse LMGTE Am Ferrari 488 GTE Evo Ferrari F154CB 3.9 L Turbo V8 SEB
 PRT
 SPA
 LMS
 MNZ
 FUJ
12 		BHR
 31th 0
2024 TF Sport LMGT3 Chevrolet Corvette Z06 GT3.R Chevrolet LT6.R 5.5 L V8 QAT
10 		IMO
8 		SPA
12 		LMS
9 		SÃO
Ret 		COA
8 		FUJ
Ret 		BHR
3 		14th 37

Complete 24 Hours of Le Mans results

Year Team Co-Drivers Car Class Laps Pos. Class
Pos.
2024 TF Sport Sébastien Baud
Daniel Juncadella 		Chevrolet Corvette Z06 GT3.R LMGT3 278 38th 11th
Source:[32][33]

Complete European Le Mans Series results

(key) (Races in bold indicate pole position; results in italics indicate fastest lap)

Year Entrant Class Chassis Engine 1 2 3 4 5 6 Rank Points
2025 TF Sport LMGT3 Chevrolet Corvette Z06 GT3.R Chevrolet LT6.R 5.5 L V8 CAT
6 		LEC
Ret 		IMO
 SPA
 SIL
 ALG
 12th* 8*

* Season still in progress.

References

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