2025 F4 Japanese Championship

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The 2025 F4 Japanese Championship season was the eleventh season of the F4 Japanese Championship.

This was 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]

Tokiya Suzuki, driving for TGR-DC Racing School, won the F4 Japanese title.

All teams competed 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 Japan Sena Yamamoto[2] 1–3, 6
Buzz Racing 7 Japan Aoto Nagahara[3] 3, 5
TGM Grand Prix 8 Japan Leon Ochiai[4] All
53 Japan Shota Sakai[4] All
Zap Speed 14 Japan Masaki Murata[2] All
HYDRANGEA Kageyama Racing 15 Japan Ryusho Nakazato[2] 2–6
16 Japan Ryo Shirasaki[2] All
17 Japan Itsuki Sato[2] All
Akiland Racing 19 Japan Keito Matsui[2] All
TGR-DC Racing School 28 Japan Kiyoshi Umegaki[5] All
29 Japan Tokiya Suzuki[5] All
35 Japan Megumu Suzuki[5] All
36 Japan Takahiro Kikuchi[5] All
37 Japan Masana Muto[5] All
38 Japan Yuzuki Miura[5] All
Drago Corse 33 Japan Yuta Suzuki[2] All
34 Japan Fuki Tanaka[2] All
B-Max Racing Team[a]
HFDP with B-Max Racing Team[a]
 43 Japan Tosei Moriyama[6] All
50 Japan Kotaro Shimbara[7] All
51 Japan Syo Momose[7] All
52 Japan Ayato Iwasaki[8] All
Ponos Racing 45 Japan Ryota Horachi[9] All
54 Japan Ryuma Sako[9] All
Fujita Pharmacy Racing 46 Japan Shouma Arimura[2] All
Ragno Motor Sports 48 China Lin Chenghua[2] 1–2
Japan Kaoru Yoshida[10] 4
OTG Motor Sports 60 Japan Kenta Kumagai[11] All
80 Japan Miki Onaga[11] All
HELM Motorsports 62 Japan Haruto Nakai[12] All
63 Japan Fuji Kishi[12] All
Skill Speed 77 Japan Yasumasa Kano[2] 1
Dr Dry Racing Team 87 Japan Rio Shimono[2] 1–3, 5–6
Japan Rikuto Toyoshima[10] 4
Bionic Jack Racing 97 Japan Ai Miura[2] All
Independent Class
Day Dream Racing 4 Japan Yuichi Sasaki[2] All
Team 5ZIGEN 5 Japan Motohiro Kotani[2] 1–3, 6
Buzz Racing 6 Japan "Ken Alex"[2] All
7 Japan Hitoshi Sakai[2] 1
Rn-sports 10 Japan Isao Nakashima[2] All
11 Japan Masayuki Ueda[2] All
74 Japan Kentaro Kojima[2] All
Eagle Racing 21 Japan Tadakazu Kojima[2] All
40 Japan Shoichiro Akamatsu[2] All
N-Speed 23 Japan "Yugo"[2] All
B-Max Racing Team 30 Japan "Dragon"[8] All
44 Japan Nobuhiro Imada[8] All
88 Japan Kazutaka Miura[8] 2–4
Japan Yasuhiro Shimizu 5–6
Field Motorsport 55 Japan "Kentaro"[2] All
HELM Motorsports 61 United States William Sakai[12] All
64 Japan Go Shimizu[12] 1–3, 6
Akiland Racing 71 Japan Masayoshi Oyama[2] All
96 Japan Makio Saito[2] All
Dr Dry Racing Team 86 Japan Hachiro Osaka[2] All
Bionic Jack Racing 98 Japan "Ikari"[2] All

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 Japan Ryo Shirasaki Japan Itsuki Sato Japan Tokiya Suzuki TGR-DC Racing School Japan "Kentaro"
R2 4 May Japan Ryo Shirasaki Japan Ryo Shirasaki Japan Ryo Shirasaki HYDRANGEA Kageyama Racing Japan "Dragon"
R3 Japan Ryo Shirasaki Japan Itsuki Sato HYDRANGEA Kageyama Racing Japan "Kentaro"
2 R4 2 August Japan Itsuki Sato Japan Tokiya Suzuki Japan Itsuki Sato HYDRANGEA Kageyama Racing Japan "Dragon"
R5 3 August Japan Itsuki Sato Japan Itsuki Sato Japan Itsuki Sato HYDRANGEA Kageyama Racing Japan "Dragon"
3 R6 Suzuka Circuit, Suzuka 23 August Japan Kotaro Shimbara Japan Tosei Moriyama Japan Itsuki Sato HYDRANGEA Kageyama Racing Japan "Dragon"
R7 24 August Japan Kotaro Shimbara Japan Itsuki Sato Japan Kotaro Shimbara HFDP with B-Max Racing Team Japan Nobuhiro Imada
4 R8 Sportsland Sugo, Murata 20 September Japan Tokiya Suzuki Japan Itsuki Sato Japan Tokiya Suzuki TGR-DC Racing School Japan "Kentaro"
R9 Japan Tokiya Suzuki Japan Itsuki Sato Japan Tokiya Suzuki TGR-DC Racing School Japan "Kentaro"
R10 21 September Japan Itsuki Sato Japan Itsuki Sato HYDRANGEA Kageyama Racing Japan Nobuhiro Imada
5 R11 Autopolis, Hita 18 October Japan Tokiya Suzuki Japan Tokiya Suzuki Japan Tokiya Suzuki TGR-DC Racing School Japan "Kentaro"
R12 19 October Japan Tosei Moriyama Japan Ryo Shirasaki Japan Ryo Shirasaki HYDRANGEA Kageyama Racing Japan Nobuhiro Imada
6 R13 Mobility Resort Motegi, Motegi 1 November Japan Kotaro Shimbara Japan Kotaro Shimbara Japan Kotaro Shimbara HFDP with B-Max Racing Team Japan Yasuhiro Shimizu
R14 2 November Japan Itsuki Sato Japan Itsuki Sato Japan Ryo Shirasaki HYDRANGEA Kageyama Racing Japan "Kentaro"

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 Japan Tokiya Suzuki 1 3 3 26 7 3 6 1 1 2 1 4 2 4 219
2 Japan Itsuki Sato 11 2 1 1 1 1 2 2 2 1 2 5 Ret 14 212.5
3 Japan Ryo Shirasaki 8 1 23 3 3 7 10 4 3 3 4 1 7 1 168.5
4 Japan Kotaro Shimbara 21 6 13 2 2 2 1 13 5 16 8 8 1 7 127
5 Japan Ryota Horachi 5 5 24 7 4 4 4 14 12 Ret 7 6 3 5 98
6 Japan Syo Momose 6 21 6 4 5 6 3 9 11 6 6 3 13 6 96
7 Japan Kiyoshi Umegaki 2 10 4 25 9 25 11 6 7 4 11 11 4 2 89
8 Japan Tosei Moriyama 3 4 2 6 6 16 14 16 13 20 5 2 9 12 88
9 Japan Kenta Kumagai Ret Ret 17 10 13 5 5 3 9 5 10 9 12 18 50.5
10 Japan Ryuma Sako 12 11 8 5 8 24 8 12 4 18 20 24 6 11 37
11 Japan Megumu Suzuki 9 7 11 20 21 10 12 7 8 8 12 12 8 8 31
12 Japan Yuzuki Miura 14 13 Ret 22 15 27 9 15 16 14 15 10 5 3 28
13 Japan Leon Ochiai 23 14 10 11 11 26 Ret 5 6 7 19 15 Ret 9 27
14 Japan Ayato Iwasaki 4 19 5 24 10 13 15 23 15 17 13 13 17 20 23
15 Japan Masana Muto 15 Ret DNQ DNS 19 12 17 17 21 10 3 7 18 19 22
16 Japan Keito Matsui 10 Ret 12 19 22 8 7 8 14 12 WD WD 15 Ret 15
17 Japan Yuta Suzuki 16 8 7 13 14 Ret 27 11 10 13 25 22 14 13 11
18 Japan Fuki Tanaka 7 Ret Ret 12 12 Ret 23 18 18 15 17 16 10 10 8
19 Japan Takahiro Kikuchi Ret 15 15 17 18 9 29 10 24 24 9 14 16 26 5
20 Japan Haruto Nakai 22 9 22 9 27 11 19 28 25 23 19 18 19 15 3
21 Japan Fuji Kishi 24 16 18 8 26 15 26 27 26 21 22 DNS 20 21 2
22 Japan Sena Yamamoto 20 12 9 21 16 14 18 25 25 2
23 Japan Rikuto Toyoshima 19 17 9 2
24 Japan Shota Sakai 18 18 14 23 23 23 13 22 24 11 16 17 23 16 0
25 Japan Masaki Murata Ret Ret DNS 16 28 18 28 21 25 19 23 21 13 Ret 0
26 Japan Miki Onaga 13 Ret 20 18 20 22 24 20 23 Ret 21 19 22 23 0
27 Japan Ryusho Nakazato 14 25 19 16 24 Ret 26 Ret 23 27 Ret 0
28 Japan Rio Shimono 17 DNS 16 DNS 24 20 21 15 27 24 24 0
29 Japan Ai Miura 19 17 19 15 17 17 20 26 20 25 24 25 21 17 0
30 Japan Kaoru Yoshida Ret 19 22 0
31 Japan Shouma Arimura Ret Ret DNQ DNQ DNQ 28 25 25 22 27 Ret 20 26 22 0
32 China Lin Chenghua DNQ 20 Ret DNQ DNQ 0
33 Japan Aoto Nagahara 21 22 26 26 0
34 Japan Yasumasa Kano DNQ DNQ 21 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
GoldWinner
SilverSecond place
BronzeThird place
GreenOther points position
Blue Other classified position
Not classified, finished (NC)
PurpleNot classified, retired (Ret)
Red Did not qualify (DNQ)
Did not pre-qualify (DNPQ)
BlackDisqualified (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

† — 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 Japan Nobuhiro Imada 2 4 Ret 2 2 3 1 3 5 1 2 1 2 2 226
2 Japan "Kentaro" 1 3 1 3 Ret 5 2 1 1 Ret 1 3 5 1 225.5
3 Japan "Dragon" Ret 1 5 1 1 1 3 2 2 3 4 Ret 13 3 190.5
4 Japan Masayuki Ueda DNQ DNQ DNQ 6 3 2 4 5 4 5 3 4 6 15 116
5 Japan "Ken Alex" 4 15 2 5 5 4 13 15 11 2 7 5 4 7 109
6 Japan Isao Nakashima 3 2 3 4 8 Ret Ret 4 3 9 8 Ret 10 11 92
7 Japan Shoichiro Akamatsu 8 13 Ret 11 7 6 7 8 8 6 6 6 7 5 72
8 Japan Makio Saito 5 8 4 Ret 4 8 Ret 6 6 4 11 12 14 10 71
9 United States William Sakai 7 6 7 8 Ret 9 9 10 9 8 Ret 8 3 4 64
10 Japan Yasuhiro Shimizu 5 2 1 9 55
11 Japan Go Shimizu 13 10 11 7 14 7 5 8 6 32
12 Japan "Ikari" 11 5 8 12 15 12 16 7 7 10 12 9 Ret Ret 29
13 Japan Masayoshi Oyama 6 9 6 DNQ DNQ 11 14 9 15 11 14 10 11 12 21
14 Japan Yuichi Sasaki 12 14 10 10 10 14 11 11 13 7 10 11 9 8 15.5
15 Japan Motohiro Kotani Ret 7 Ret Ret 12 15 6 12 14 14
16 Japan Kentaro Kojima 10 12 Ret 13 11 13 8 12 10 13 9 7 Ret 13 14
17 Japan Tadakazu Kojima Ret 17 9 13 6 10 10 WD WD WD WD WD WD WD 12
18 Japan Hachiro Osaka 9 11 13 9 13 16 Ret 14 14 12 13 13 DNQ DNQ 3
19 Japan Kazutaka Miura 14 9 Ret 12 13 12 14 2
20 Japan Hitoshi Sakai 14 16 12 0
21 Japan "Yugo" DNQ DNQ DNQ DNQ DNQ 17 15 16 16 15 15 14 DNQ DNQ 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 2 2 1 2 1 7 1 269.5
2 TGR-DC Racing School 1 3 3 17 7 3 6 1 1 2 1 4 2 2 225
3 HFDP with B-Max Racing Team 6 6 6 2 2 2 1 9 5 6 6 3 1 6 168
4 Ponos Racing 5 5 8 5 4 4 4 12 4 18 7 6 3 5 116
5 B-Max Racing Team 3 4 2 6 6 14 14 16 13 17 5 2 9 12 87
6 OTG Motor Sports 14 Ret 17 10 13 5 5 3 9 5 10 9 11 18 49.5
7 TGM Grand Prix 18 14 10 11 11 23 13 5 6 7 16 15 23 9 27
8 Drago Corse 7 8 7 12 12 Ret 23 11 10 13 17 16 10 10 19
9 Akiland Racing 10 Ret 12 19 22 8 7 8 14 12 WD WD 15 Ret 13
10 HELM Motorsports 23 9 18 8 26 11 19 27 26 21 18 18 19 15 4
11 Team 5ZIGEN 21 12 9 21 16 14 18 25 25 2
12 Dr Dry Racing Team 17 DNS 16 DNS 24 20 21 19 17 9 15 27 24 24 2
13 Zap Speed Ret Ret DNS 16 28 18 28 21 25 19 23 21 13 Ret 0
14 Bionic Jack Racing 20 17 19 15 17 17 20 26 20 25 24 25 21 17 0
15 Ragno Motor Sport DNQ 20 Ret DNQ DNQ Ret 19 22 0
16 Fujita Pharmacy Racing Ret Ret DNQ DNQ DNQ 28 25 25 22 27 Ret 20 26 22 0
17 Buzz Racing 21 22 25 26 0
18 Skill Speed DNQ DNQ 21 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 2 2 1 2 1 1 2 287.5
2 Field Motorsport 1 3 1 3 Ret 5 2 1 1 Ret 1 3 5 1 225.5
3 Rn-sports 3 2 3 4 3 2 4 4 3 5 3 4 6 11 171
4 Buzz Racing 4 15 2 5 5 4 13 15 11 2 7 5 4 7 109
5 HELM Motorsports 7 6 7 6 14 7 5 10 9 8 Ret 8 3 4 77
6 Eagle Racing 8 13 9 11 6 6 7 8 8 6 6 6 7 5 76
7 Akiland Racing 5 8 4 Ret 4 8 14 9 6 4 11 10 11 10 72
8 Bionic Jack Racing 11 5 8 12 15 12 16 7 7 10 12 9 Ret Ret 29
9 Day Dream Racing 12 14 10 10 10 14 11 11 13 7 10 11 9 8 15.5
10 Team 5ZIGEN Ret 7 Ret Ret 12 15 6 12 14 14
11 Dr Dry Racing Team 9 11 13 9 13 16 Ret 14 14 12 13 13 DNQ DNQ 3
12 N-Speed DNQ DNQ DNQ DNQ DNQ 17 15 16 16 15 15 14 DNQ DNQ 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

References

External links

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