2025 F4 Japanese Championship

2025 F4 Japanese Championship

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2024

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2026

Parent series:
Super GT

The 2025 F4 Japanese Championship season is a planned eleventh season of the F4 Japanese Championship.

This is the second season for the second-generation MCSC-24 chassis constructed by Toray Carbon Magic, and TOM'S TMA43 engine which produces 180 horsepower. ^[1]

Teams and drivers

All teams will compete with an identical Toray Carbon Magic MCSC-24 chassis and TOM'S 2-litre naturally aspirated engine. ^[1]

Team	No.	Driver	Rounds
Champion Class
Team 5ZIGEN	3	Sena Yamamoto [2]	1–3
Buzz Racing	7	Aoto Nagahara [3]	3
TGM Grand Prix	8	Leon Ochiai [4]	1–3
	53	Shota Sakai [4]	1–3
Zap Speed	14	Masaki Murata [2]	1–3
HYDRANGEA Kageyama Racing	15	Ryusho Nakazato [5]	2–3
	16	Ryo Shirasaki [2]	1–3
	17	Itsuki Sato [2]	1–3
Akiland Racing	19	Keito Matsui [2]	1–3
TGR-DC Racing School	28	Kiyoshi Umegaki [6]	1–3
	29	Tokiya Suzuki [6]	1–3
	35	Megumu Suzuki [6]	1–3
	36	Takahiro Kikuchi [6]	1–3
	37	Masana Muto [6]	1–3
	38	Yuzuki Miura [6]	1–3
Drago Corse	33	Yuta Suzuki [2]	1–3
	34	Fuki Tanaka [2]	1–3
B-Max Racing Team [a] HFDP with B-Max Racing Team [a]	43	Tosei Moriyama [7]	1–3
	50	Kotaro Shimbara [8]	1–3
	51	Syo Momose [8]	1–3
	52	Ayato Iwasaki [9]	1–3
PONOS Racing	45	Ryota Horachi [10]	1–3
	54	Ryuma Sako [10]	1–3
Fujita Pharmacy Racing	46	Shouma Arimura [2]	1–3
Ragno Motor Sport	48	Lin Chenghua [2]	1–2
OTG Motor Sports	60	Kenta Kumagai [11]	1–3
	80	Miki Onaga [11]	1–3
HELM Motorsports	62	Haruto Nakai [12]	1–3
	63	Fuji Kishi [12]	1–3
Skill Speed	77	Yasumasa Kano [2]	1
Dr Dry Racing Team	87	Rio Shimono [2]	1–3
Bionic Jack Racing	97	Ai Miura [2]	1–3
Independent Class
Day Dream Racing	4	Yuichi Sasaki [2]	1–3
Team 5ZIGEN	5	Motohiro Kotani [2]	1–3
Buzz Racing	6	"Ken Alex" [2]	1–3
	7	Hitoshi Sakai [2]	1
Rn-sports	10	Isao Nakashima [2]	1–3
	11	Masayuki Ueda [2]	1–3
	74	Kentaro Kojima [2]	1–3
Eagle Racing	21	Tadakazu Kojima [2]	1–3
	40	Shoichiro Akamatsu [2]	1–3
N-Speed	23	"Yugo" [2]	1–3
B-Max Racing Team	30	"Dragon" [9]	1–3
	44	Nobuhiro Imada [9]	1–3
	88	Kazutaka Miura [9]	2–3
Field Motorsport	55	"Kentaro" [2]	1–3
HELM Motorsports	61	William Sakai [12]	1–3
	64	Go Shimizu [12]	1–3
Akiland Racing	71	Masayoshi Oyama [2]	1–3
	96	Makio Saito [2]	1–3
Dr Dry Racing Team	86	Hachiro Osaka [2]	1–3
Bionic Jack Racing	98	"Ikari" [2]	1–3

Race calendar and results

All rounds are held in Japan and support the Super GT events in Japan, except for Okayama. ^[13]

Round		Circuit	Date	Pole position	Fastest lap	Winning driver	Winning team	Independent Class winner
1	R1	Fuji Speedway, Oyama	3 May	Ryo Shirasaki	Itsuki Sato	Tokiya Suzuki	TGR-DC Racing School	"Kentaro"
	R2		4 May	Ryo Shirasaki	Ryo Shirasaki	Ryo Shirasaki	HYDRANGEA Kageyama Racing	"Dragon"
	R3				Ryo Shirasaki	Itsuki Sato	HYDRANGEA Kageyama Racing	"Kentaro"
2	R4		2 August	Itsuki Sato	Tokiya Suzuki	Itsuki Sato	HYDRANGEA Kageyama Racing	"Dragon"
	R5		3 August	Itsuki Sato	Itsuki Sato	Itsuki Sato	HYDRANGEA Kageyama Racing	"Dragon"
3	R6	Suzuka Circuit, Suzuka	23–24 August	Kotaro Shimbara	Tosei Moriyama	Itsuki Sato	HYDRANGEA Kageyama Racing	"Dragon"
	R7			Kotaro Shimbara	Itsuki Sato	Kotaro Shimbara	HFDP with B-Max Racing Team	Nobuhiro Imada
4	R8	Sportsland Sugo, Murata	20–21 September
	R9
	R10
5	R11	Autopolis, Hita	18–19 October
	R12
6	R13	Mobility Resort Motegi, Motegi	1–2 November
	R14

Championship standings

Points were awarded as follows:

Position	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th
Points	25	18	15	12	10	8	6	4	2	1

Drivers' standings

Champion Class

Pos Driver FUJ1 FUJ2 SUZ SUG AUT MOT Pts R1 R2 R3 R4 [b] R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 1 Itsuki Sato 11 2 1 1 1 1 2 123.5 2 Tokiya Suzuki 1 3 3 26 7 3 6 84 3 Kotaro Shimbara 21 6 13 2 2 2 1 78 4 Ryota Horachi 5 5 24 7 4 4 4 59 5 Ryo Shirasaki 8 1 23 3 3 7 10 58.5 6 Tosei Moriyama 3 4 2 6 6 16 14 57 7 Syo Momose 6 21 6 4 5 6 3 55 8 Kiyoshi Umegaki 2 10 4 25 9 25 11 33 9 Ayato Iwasaki 4 19 5 24 10 13 15 23 10 Kenta Kumagai Ret Ret 17 10 13 5 5 20.5 11 Ryuma Sako 12 11 8 5 8 24 8 17 12 Keito Matsui 10 Ret 12 19 22 8 7 11 13 Yuta Suzuki 16 8 7 13 14 Ret 27 10 14 Megumu Suzuki 9 7 11 20 21 10 12 9 15 Fuki Tanaka 7 Ret Ret 12 12 Ret 23 6 16 Haruto Nakai 22 9 22 9 27 11 19 3 17 Fuji Kishi 24 16 18 8 26 15 26 2 18 Sena Yamamoto 20 12 9 21 16 14 18 2 19 Yuzuki Miura 14 13 Ret 22 15 27 9 2 20 Takahiro Kikuchi Ret 15 15 17 18 9 29 2 21 Leon Ochiai 23 14 10 11 11 26 Ret 1 22 Masana Muto 15 Ret DNQ DNS 19 12 17 0 23 Shota Sakai 18 18 14 23 23 23 13 0 24 Miki Onaga 13 Ret 20 18 20 22 24 0 25 Ryusho Nakazato 14 25 19 16 0 26 Ai Miura 19 17 19 15 17 17 20 0 27 Rio Shimono 17 DNS 16 DNS 24 20 21 0 28 Masaki Murata Ret Ret DNS 16 28 18 28 0 29 Lin Chenghua DNQ 20 Ret DNQ DNQ 0 30 Aoto Nagahara 21 22 0 31 Yasumasa Kano DNQ DNQ 21 0 32 Shouma Arimura Ret Ret DNQ DNQ DNQ 28 25 0 Pos Driver R1 R2 R3 R4 [b] R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 Pts FUJ1 FUJ2 SUZ SUG AUT MOT

Key Colour Result Gold Winner Silver Second place Bronze Third place Green Other points position Blue Other classified position Not classified, finished (NC) Purple Not classified, retired (Ret) Red Did not qualify (DNQ) Did not pre-qualify (DNPQ) Black Disqualified (DSQ) White Did not start (DNS) Race cancelled (C) Blank Did not practice (DNP) Excluded (EX) Did not arrive (DNA) Withdrawn (WD) Did not enter (cell empty) Text formatting Meaning Bold Pole position Italics Fastest lap Bold – Pole Italics – Fastest Lap † — Did not finish but classified

Independent Class

Pos	Driver	FUJ1			FUJ2		SUZ		SUG			AUT		MOT		Pts
		R1	R2	R3	R4 [b]	R5	R6	R7	R8	R9	R10	R11	R12	R13	R14
1	"Dragon"	Ret	1	5	1	1	1	3								112.5
2	Nobuhiro Imada	2	4	Ret	2	2	3	1								97
3	"Kentaro"	1	3	1	3	Ret	5	2								100.5
4	Isao Nakashima	3	2	3	4	8	Ret	Ret								58
5	"Ken Alex"	4	15	2	5	5	4	13								57
6	Masayuki Ueda	DNQ	DNQ	DNQ	6	3	2	4								49
7	Makio Saito	5	8	4	Ret	4	8	Ret								42
8	William Sakai	7	6	7	8	Ret	9	9								26
9	Shoichiro Akamatsu	8	13	Ret	11	7	6	7								24
10	Go Shimizu	13	10	11	7	14	7	5								20
11	Masayoshi Oyama	6	9	6	DNQ	DNQ	11	14								18
12	"Ikari"	11	5	8	12	15	12	16								14
13	Motohiro Kotani	Ret	7	Ret	Ret	12	15	6								14
14	Tadakazu Kojima	Ret	17	9	13	6	10	10								12
15	Kentaro Kojima	10	12	Ret	13	11	13	8								5
16	Hachiro Osaka	9	11	13	9	13	16	Ret								3
17	Yuichi Sasaki	12	14	10	10	10	14	11								2.5
18	Kazutaka Miura				14	9	Ret	12								2
19	Hitoshi Sakai	14	16	12												0
20	"Yugo"	DNQ	DNQ	DNQ	DNQ	DNQ	17	15								0
Pos	Driver	R1	R2	R3	R4 [b]	R5	R6	R7	R8	R9	R10	R11	R12	R13	R14	Pts
		FUJ1			FUJ2		SUZ		SUG			AUT		MOT

Teams' standings

Only the best finisher scored points for their team.

Champion Class

Pos	Driver	FUJ1			FUJ2		SUZ		SUG			AUT		MOT		Pts
		R1	R2	R3	R4 [b]	R5	R6	R7	R8	R9	R10	R11	R12	R13	R14
1	HYDRANGEA Kageyama Racing	8	1	1	1	1	1	2								134.5
2	HFDP with B-Max Racing Team	6	6	6	2	2	2	1								94
3	TGR-DC Racing School	1	3	3	17	7	3	6								84
4	Ponos Racing	5	5	8	5	4	4	4								65
5	B-Max Racing Team	3	4	2	6	6	13	14								57
6	OTG Motor Sports	14	Ret	17	10	13	5	5								20.5
7	Drago Corse	7	8	7	12	12	Ret	23								16
8	Akiland Racing	10	Ret	12	19	22	8	7								11
9	HELM Motorsports	23	9	18	8	26	11	19								4
10	Team 5ZIGEN	21	12	9	21	16	14	18								2
11	TGM Grand Prix	18	14	10	11	11	23	13								1
12	Bionic Jack Racing	20	17	19	15	17	17	20								0
13	Dr Dry Racing Team	17	DNS	16	DNS	24	20	21								0
14	Zap Speed	Ret	Ret	DNS	16	28	18	28								0
15	Ragno Motor Sport	DNQ	20	Ret	DNQ	DNQ										0
16	Skill Speed	DNQ	DNQ	21												0
17	Buzz Racing						21	22								0
18	Fujita Pharmacy Racing	Ret	Ret	DNQ	DNQ	DNQ	28	25								0
Pos	Driver	R1	R2	R3	R4 [b]	R5	R6	R7	R8	R9	R10	R11	R12	R13	R14	Pts
		FUJ1			FUJ2		SUZ		SUG			AUT		MOT

Independent Class

Pos	Driver	FUJ1			FUJ2		SUZ		SUG			AUT		MOT		Pts
		R1	R2	R3	R4 [b]	R5	R6	R7	R8	R9	R10	R11	R12	R13	R14
1	B-Max Racing Team	2	1	5	1	1	1	1								140.5
2	Rn-sports	3	2	3	4	3	2	4								99
3	Field Motorsport	1	3	1	3	Ret	5	2								100.5
4	Buzz Racing	4	15	2	5	5	4	13								57
5	Akiland Racing	5	8	4	Ret	4	8	14								42
6	HELM Motorsports	7	6	7	6	14	7	5								39
7	Eagle Racing	8	13	9	11	6	6	7								28
8	Bionic Jack Racing	11	5	8	12	15	12	16								14
9	Team 5ZIGEN	Ret	7	Ret	Ret	12	15	6								14
10	Dr Dry Racing Team	9	11	13	9	13	16	Ret								3
11	Day Dream Racing	12	14	10	10	10	14	11								2.5
12	N-Speed	DNQ	DNQ	DNQ	DNQ	DNQ	17	15								0
Pos	Driver	R1	R2	R3	R4 [b]	R5	R6	R7	R8	R9	R10	R11	R12	R13	R14	Pts
		FUJ1			FUJ2		SUZ		SUG			AUT		MOT

Notes

1. Car No. 43 & No. 52 entered as B-Max Racing Team, and car No. 50 & No. 51 entered as HFDP with B-Max Racing Team.
2. Only five of the 14 laps were completed, less than 75% of the race distance, thus half points were awarded.

References

1. "Japanese F4 reveals Gen2 design to be introduced in 2024". formulascout. 10 August 2022. Retrieved 10 August 2022.
2. "Finjo Muschlien on X: Here's Japanese F4's entry list for Round 1 at Fuji". X. 24 April 2025. Retrieved 1 April 2025.
3. "FIA-F4 選手権鈴鹿大会 エントリーリストお問い合わせ第 大会" (PDF). FIA F4 Japan. 18 August 2025. Retrieved 18 August 2025.
4. "TGM Grand PrixがFIA-F4に初参戦。池田代表「若手にチャンスを与える場所を作りたい」". as-web.jp. 7 December 2024. Retrieved 7 December 2024.
5. Muschlien, Finjo (29 April 2025). "Japanese F4: 2025 season guide". Feeder Series. Retrieved 29 April 2025.
6. "TOYOTA GAZOO Racing Presents its 2025 motorsport team setups in Japan". Toyota Gazoo Racing. 25 December 2024. Retrieved 25 December 2024.
7. "2025FIA-F4参戦体制（森山冬星選手を追加エントリー）". B-Max Racing Team. 15 April 2025. Retrieved 15 April 2025.
8. "Honda 2025 Motorsports Program Overview". Honda. 10 January 2025. Retrieved 10 January 2025.
9. "2025 FIA-F4（B-Max）参戦体制". B-Max Racing Team. 20 February 2025. Retrieved 20 February 2025.
10. "『PONOS RACING』2025年シーズン参戦体制のお知らせ". Ponos. 19 February 2025. Retrieved 19 February 2025.
11. "2025 LM corsa/OTG Motorsports 体制発表". OTG Motorsports. 7 February 2025. Retrieved 7 February 2025.
12. "2025　FIA-F4 体制発表". HELM Motorsports. 30 April 2025. Retrieved 30 April 2025.
13. "Competition Calendar". JAF. 8 January 2025. Retrieved 8 January 2025.

External links

• Official website (in Japanese)