Syun Koide

is a Japanese racing driver who currently competes in Super Formula for ThreeBond Racing. Koide was the F4 Japanese Championship champion in 2022 and champion of Super Formula Lights in 2024, both achieved as 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, Koide 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. 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 four wins, and seven podiums to date. Koide continued to compete in the series for the following year, as he moved 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 continued to partner with 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 (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)

Complete Super Formula Lights results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) 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 AUT1 AUT2 AUT3 SUG1 SUG2 SUG3 SUZ1 SUZ2 SUZ3 FUJ1 FUJ2 FUJ3 OKA1 OKA2 OKA3 MOT1 MOT2 MOT3 3rd 81 2024 B-Max Racing Team AUT1 AUT2 AUT3 SUG1 SUG2 SUG3 FUJ1 FUJ2 FUJ3 OKA1 OKA2 OKA3 SUZ1 SUZ2 SUZ3 MOT1 MOT2 MOT3 1st 114

Complete Super GT 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 DC Points 2023 Team UpGarage Honda NSX GT3 Evo GT300 OKAFUJSUZ FUJ SUZ SUG AUT MOT 5th 43 2024 Team UpGarage Honda NSX GT3 Evo GT300 OKA FUJ SUZ FUJ SUG AUT MOT SUZ 14th 16 2025 Astemo Real Racing Honda Civic Type R-GT GT500 GT500 OKA FUJ SEP FS1 FS2 SUZ SUG AUT MOT 11th 26

‡ Half points awarded as less than 75% of race distance was completed. (Number) Driver did not take part in this sprint race, points are still awarded for the teammate's result. Season still in progress.

Complete Super Formula results Year Team Engine 1 2 3 4 5 6 7 8 9 10 11 12 DC Points 2025 San-Ei Gen with B-Max Honda SUZ SUZ MOT MOT AUT FUJ FUJ SUG FUJ SUZ SUZ SUZ 16th 5 Season still in progress.