Syun Koide
Syun Koide is a Japanese racing driver who won the 2022 F4 Japanese Championship title. He is also part of the Honda Formula Dream Project.
Career
Japanese Formula 4
In 2020 Koide made his debut in single-seater racing in the F4 Japanese Championship. He was originally scheduled to compete for the Honda Formula Dream Project team, but Honda withdrew its entry due to the COVID-19 pandemic in Japan. He ended up competing with Vegaplus from the second round onwards along with Kakunoshin Ohta. He finished the season in tenth.In 2021 he continued to race in the F4 Japanese Championship with the Honda Formula Dream Project team. He took one race win and finished the season in sixth.
In 2022 he missed out on move to Super Formula Lights, and stayed with the team. Koide ended up winning the F4 Japanese Championship title ahead of his teammate Yusuke Mitsui. On his way to the title he scored a total of nine race wins.
Super Formula Lights
For 2023 Koide competed in Super Formula Lights with Toda Racing. In that season, he had over 4 wins, and 7 podiums to date.Koide continues to compete in the series, as he moves to B-Max Racing Team. Koide won the Drivers' Championship with two races to spare, and took eight wins and three further podiums en route to his title, with his closest challengers Kobayashi and Nonaka only claiming three and five wins respectively.
Super GT
GT300
Koide competed in the GT300-class of the 2023 Super GT Series with Team UpGarage alongside Takashi Kobayashi. Koide won his first GT300 race in the first round of the series in Okayama International Circuit. then he won as well in Suzuka. Koide continues partnering Takashhi Kobayashi at Tean UpGarage for 2024.GT500
Koide then stepped up to GT500 with Real Racing as he replaces Kakunoshin Ohta who moved to IMSA SportsCar Championship's GTP class.Super Formula
Koide stepped up to Super Formula in 2025 and race with B-Max Racing Team as he replaces Iori Kimura.Racing record
Career summary
* Season still in progress.‡ Team standings
Complete F4 Japanese Championship results
Complete Super Formula Lights results
| Year | Entrant | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | Pos | Points |
| 2023 | Toda Racing | AUT 1 5 | AUT 2 2 | AUT 3 5 | SUG 1 4 | SUG 2 3 | SUG 3 3 | SUZ 1 4 | SUZ 2 5 | SUZ 3 6 | FUJ 1 4 | FUJ 2 1 | FUJ 3 7 | OKA 1 1 | OKA 2 1 | OKA 3 1 | MOT 1 7 | MOT 2 3 | MOT 3 8 | 3rd | 81 |
| 2024 | B-Max Racing Team | AUT 1 5 | AUT 2 1 | AUT 3 8 | SUG 1 1 | SUG 2 8 | SUG 3 2 | FUJ 1 1 | FUJ 2 6 | FUJ 3 1 | OKA 1 1 | OKA 2 2 | OKA 3 1 | SUZ 1 6 | SUZ 2 6 | SUZ 3 5 | MOT 1 1 | MOT 2 2 | MOT 3 1 | 1st | 114 |
Complete Super GT results
| Year | Team | Car | Class | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | DC | Points |
| 2023 | Team UpGarage | Honda NSX GT3 Evo | GT300 | OKA 1 | FUJ Ret | SUZ Ret | FUJ 17 | SUZ 1 | SUG DSQ | AUT 17 | MOT 8 | 5th | 43 | |
| 2024 | Team UpGarage | Honda NSX GT3 Evo | GT300 | OKA 16 | FUJ 7 | SUZ 13 | FUJ 16 | SUG 16 | AUT 15 | MOT 33 | SUZ 24 | 14th | 16 | |
| 2025 | Astemo Real Racing | Honda Civic Type R-GT GT500 | GT500 | OKA 8 | FUJ 12 | SEP 4 | FS1 9 | FS2 | SUZ Ret | SUG 3 | AUT 8 | MOT 13 | 11th | 26 |
‡ Half points awarded as less than 75% of race distance was completed.
Driver did not take part in this sprint race, points are still awarded for the teammate's result.
* Season still in progress.