2025 F4 Japanese Championship

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.

Teams and drivers All teams competed with an identical Toray Carbon Magic MCSC-24 chassis and TOM'S 2-litre naturally aspirated engine.

Team Driver Rounds Champion ClassTeam 5ZIGEN 3 Sena Yamamoto1–3, 6Buzz Racing 7 Aoto Nagahara3, 5TGM Grand Prix 8 Leon OchiaiAll 53 Shota SakaiAllZap Speed 14 Masaki MurataAll HYDRANGEA Kageyama Racing 15 Ryusho Nakazato2–6 16 Ryo ShirasakiAll 17 Itsuki SatoAllAkiland Racing 19 Keito MatsuiAll TGR-DC Racing School 28 Kiyoshi UmegakiAll 29 Tokiya SuzukiAll 35 Megumu SuzukiAll 36 Takahiro KikuchiAll 37 Masana MutoAll 38 Yuzuki MiuraAll Drago Corse 33 Yuta SuzukiAll 34 Fuki TanakaAll B-Max Racing TeamHFDP with B-Max Racing Team 43 Tosei MoriyamaAll 50 Kotaro ShimbaraAll 51 Syo MomoseAll 52 Ayato IwasakiAll Ponos Racing 45 Ryota HorachiAll 54 Ryuma SakoAllFujita Yakkyoku Racing 46 Shouma ArimuraAll Ragno Motor Sports 48 Lin Chenghua1–2 Kaoru Yoshida4 OTG Motor Sports 60 Kenta KumagaiAll 80 Miki OnagaAll HELM Motorsports 62 Haruto NakaiAll 63 Fuji KishiAllSkill Speed 77 Yasumasa Kano1 Dr Dry Racing Team 87 Rio Shimono1–3, 5–6 Rikuto Toyoshima4Bionic Jack Racing 97 Ai MiuraAll Independent ClassDay Dream Racing 4 Yuichi SasakiAllTeam 5ZIGEN 5 Motohiro Kotani1–3, 6 Buzz Racing 6 ""All 7 Hitoshi Sakai1 Rn-sports 10 Isao NakashimaAll 11 Masayuki UedaAll 74 Kentaro KojimaAll Eagle Racing 21 Tadakazu KojimaAll 40 Shoichiro AkamatsuAllN-Speed 23 ""All B-Max Racing Team 30 "Dragon"All 44 Nobuhiro ImadaAll 88 Kazutaka Miura2–4 Yasuhiro Shimizu5–6Field Motorsport 55 ""All HELM Motorsports 61 William SakaiAll 64 ""1–3, 6 Akiland Racing 71 Masayoshi OyamaAll 96 Makio SaitoAllDr Dry Racing Team 86 Hachiro OsakaAllBionic Jack Racing 98 ""All

Race calendar and results All rounds are held in Japan and support the Super GT events in Japan, except for Okayama.

Round Circuit Date Pole position Fastest lap Winning driver Winning team 1 R1 Fuji Speedway, Oyama3 May Ryo Shirasaki Itsuki Sato Tokiya SuzukiTGR-DC Racing School "" R2 4 May Ryo Shirasaki Ryo Shirasaki Ryo ShirasakiHYDRANGEA Kageyama Racing "Dragon" R3 Ryo Shirasaki Itsuki SatoHYDRANGEA Kageyama Racing "" 2 R4 2 August Itsuki Sato Tokiya Suzuki Itsuki SatoHYDRANGEA Kageyama Racing "Dragon" R5 3 August Itsuki Sato Itsuki Sato Itsuki SatoHYDRANGEA Kageyama Racing "Dragon" 3 R6 Suzuka Circuit, Suzuka 23 August Kotaro Shimbara Tosei Moriyama Itsuki SatoHYDRANGEA Kageyama Racing "Dragon" R7 24 August Kotaro Shimbara Itsuki Sato Kotaro ShimbaraHFDP with B-Max Racing Team Nobuhiro Imada 4 R8 Sportsland Sugo, Murata 20 September Tokiya Suzuki Itsuki Sato Tokiya SuzukiTGR-DC Racing School "" R9 Tokiya Suzuki Itsuki Sato Tokiya SuzukiTGR-DC Racing School "" R1021 September Itsuki Sato Itsuki SatoHYDRANGEA Kageyama Racing Nobuhiro Imada 5 R11 Autopolis, Hita 18 October Tokiya Suzuki Tokiya Suzuki Tokiya SuzukiTGR-DC Racing School "" R12 19 October Tosei Moriyama Ryo Shirasaki Ryo ShirasakiHYDRANGEA Kageyama Racing Nobuhiro Imada 6 R13 Mobility Resort Motegi, Motegi 1 November Kotaro Shimbara Kotaro Shimbara Kotaro ShimbaraHFDP with B-Max Racing Team Yasuhiro Shimizu R14 2 November Itsuki Sato Itsuki Sato Ryo ShirasakiHYDRANGEA Kageyama Racing ""

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 R5 R6 R7 R8 R9 R10 R11 R12 R13 R141 Tokiya Suzuki 1 3 3 26 7 3 6 1 1 2 1 4 2 42192 Itsuki Sato 11 2 1 1 1 1 2 2 2 1 2 5 Ret 14212.53 Ryo Shirasaki 8 1 23 3 3 7 10 4 3 3 4 1 7 1168.54 Kotaro Shimbara 21 6 13 2 2 2 1 13 5 16 8 8 1 71275 Ryota Horachi 5 5 24 7 4 4 4 14 12 Ret 7 6 3 5986 Syo Momose 6 21 6 4 5 6 3 9 11 6 6 3 13 6967 Kiyoshi Umegaki 2 10 4 25 9 25 11 6 7 4 11 11 4 2898 Tosei Moriyama 3 4 2 6 6 16 14 16 13 20 5 2 9 12889 Kenta Kumagai Ret Ret 17 10 13 5 5 3 9 5 10 9 12 1850.510 Ryuma Sako 12 11 8 5 8 24 8 12 4 18 20 24 6 113711 Megumu Suzuki 9 7 11 20 21 10 12 7 8 8 12 12 8 83112 Yuzuki Miura 14 13 Ret 22 15 27 9 15 16 14 15 10 5 32813 Leon Ochiai 23 14 10 11 11 26 Ret 5 6 7 19 15 Ret 92714 Ayato Iwasaki 4 19 5 24 10 13 15 23 15 17 13 13 17 202315 Masana Muto 15 Ret DNQ DNS 19 12 17 17 21 10 3 7 18 192216 Keito Matsui 10 Ret 12 19 22 8 7 8 14 12 WD WD 15 Ret1517 Yuta Suzuki 16 8 7 13 14 Ret 27 11 10 13 25 22 14 131118 Fuki Tanaka 7 Ret Ret 12 12 Ret 23 18 18 15 17 16 10 10819 Takahiro Kikuchi Ret 15 15 17 18 9 29 10 24 24 9 14 16 26520 Haruto Nakai 22 9 22 9 27 11 19 28 25 23 19 18 19 15321 Fuji Kishi 24 16 18 8 26 15 26 27 26 21 22 DNS 20 21222 Sena Yamamoto 20 12 9 21 16 14 18 25 25223 Rikuto Toyoshima 19 17 9224 Shota Sakai 18 18 14 23 23 23 13 22 24 11 16 17 23 16025 Masaki Murata Ret Ret DNS 16 28 18 28 21 25 19 23 21 13 Ret026 Miki Onaga 13 Ret 20 18 20 22 24 20 23 Ret 21 19 22 23027 Ryusho Nakazato 14 25 19 16 24 Ret 26 Ret 23 27 Ret028 Rio Shimono 17 DNS 16 DNS 24 20 21 15 27 24 24029 Ai Miura 19 17 19 15 17 17 20 26 20 25 24 25 21 17030 Kaoru Yoshida Ret 19 22031 Shouma Arimura Ret Ret DNQ DNQ DNQ 28 25 25 22 27 Ret 20 26 22032 Lin Chenghua DNQ 20 Ret DNQ DNQ033 Aoto Nagahara 21 22 26 26034 Yasumasa Kano DNQ DNQ 210 Pos Driver R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 Pts FUJ1 FUJ2 SUZ SUG AUT MOT† — Did not finish but classified

Independent Class Pos Driver FUJ1 FUJ2 SUZ SUG AUT MOT Pts R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R141 Nobuhiro Imada 2 4 Ret 2 2 3 1 3 5 1 2 1 2 22262 "" 1 3 1 3 Ret 5 2 1 1 Ret 1 3 5 1225.53 "Dragon" Ret 1 5 1 1 1 3 2 2 3 4 Ret 13 3190.54 Masayuki Ueda DNQ DNQ DNQ 6 3 2 4 5 4 5 3 4 6 151165 "" 4 15 2 5 5 4 13 15 11 2 7 5 4 71096 Isao Nakashima 3 2 3 4 8 Ret Ret 4 3 9 8 Ret 10 11927 Shoichiro Akamatsu 8 13 Ret 11 7 6 7 8 8 6 6 6 7 5728 Makio Saito 5 8 4 Ret 4 8 Ret 6 6 4 11 12 14 10719 William Sakai 7 6 7 8 Ret 9 9 10 9 8 Ret 8 3 46410 Yasuhiro Shimizu 5 2 1 95511 "" 13 10 11 7 14 7 5 8 63212 "" 11 5 8 12 15 12 16 7 7 10 12 9 Ret Ret2913 Masayoshi Oyama 6 9 6 DNQ DNQ 11 14 9 15 11 14 10 11 122114 Yuichi Sasaki 12 14 10 10 10 14 11 11 13 7 10 11 9 815.515 Motohiro Kotani Ret 7 Ret Ret 12 15 6 12 141416 Kentaro Kojima 10 12 Ret 13 11 13 8 12 10 13 9 7 Ret 131417 Tadakazu Kojima Ret 17 9 13 6 10 10 WD WD WD WD WD WD WD1218 Hachiro Osaka 9 11 13 9 13 16 Ret 14 14 12 13 13 DNQ DNQ319 Kazutaka Miura 14 9 Ret 12 13 12 14220 Hitoshi Sakai 14 16 12021 "" DNQ DNQ DNQ DNQ DNQ 17 15 16 16 15 15 14 DNQ DNQ0 Pos Driver R1 R2 R3 R4 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 R5 R6 R7 R8 R9 R10 R11 R12 R13 R141HYDRANGEA Kageyama Racing 8 1 1 1 1 1 2 2 2 1 2 1 7 1269.52TGR-DC Racing School 1 3 3 17 7 3 6 1 1 2 1 4 2 22253HFDP with B-Max Racing Team 6 6 6 2 2 2 1 9 5 6 6 3 1 61684Ponos Racing 5 5 8 5 4 4 4 12 4 18 7 6 3 51165B-Max Racing Team 3 4 2 6 6 14 14 16 13 17 5 2 9 12876OTG Motor Sports 14 Ret 17 10 13 5 5 3 9 5 10 9 11 1849.57TGM Grand Prix 18 14 10 11 11 23 13 5 6 7 16 15 23 9278Drago Corse 7 8 7 12 12 Ret 23 11 10 13 17 16 10 10199Akiland Racing 10 Ret 12 19 22 8 7 8 14 12 WD WD 15 Ret1310HELM Motorsports 23 9 18 8 26 11 19 27 26 21 18 18 19 15411Team 5ZIGEN 21 12 9 21 16 14 18 25 25212Dr Dry Racing Team 17 DNS 16 DNS 24 20 21 19 17 9 15 27 24 24213Zap Speed Ret Ret DNS 16 28 18 28 21 25 19 23 21 13 Ret014Bionic Jack Racing 20 17 19 15 17 17 20 26 20 25 24 25 21 17015Ragno Motor Sport DNQ 20 Ret DNQ DNQ Ret 19 22016Fujita Yakkyoku Racing Ret Ret DNQ DNQ DNQ 28 25 25 22 27 Ret 20 26 22017Buzz Racing 21 22 25 26018Skill Speed DNQ DNQ 210 Pos Driver R1 R2 R3 R4 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 R5 R6 R7 R8 R9 R10 R11 R12 R13 R141B-Max Racing Team 2 1 5 1 1 1 1 2 2 1 2 1 1 2287.52Field Motorsport 1 3 1 3 Ret 5 2 1 1 Ret 1 3 5 1225.53Rn-sports 3 2 3 4 3 2 4 4 3 5 3 4 6 111714Buzz Racing 4 15 2 5 5 4 13 15 11 2 7 5 4 71095HELM Motorsports 7 6 7 6 14 7 5 10 9 8 Ret 8 3 4776Eagle Racing 8 13 9 11 6 6 7 8 8 6 6 6 7 5767Akiland Racing 5 8 4 Ret 4 8 14 9 6 4 11 10 11 10728Bionic Jack Racing 11 5 8 12 15 12 16 7 7 10 12 9 Ret Ret299Day Dream Racing 12 14 10 10 10 14 11 11 13 7 10 11 9 815.510Team 5ZIGEN Ret 7 Ret Ret 12 15 6 12 141411Dr Dry Racing Team 9 11 13 9 13 16 Ret 14 14 12 13 13 DNQ DNQ312N-Speed DNQ DNQ DNQ DNQ DNQ 17 15 16 16 15 15 14 DNQ DNQ0 Pos Driver R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 Pts FUJ1 FUJ2 SUZ SUG AUT MOT

Notes

References

External links