🇯🇵 Hiroshi Koizumi

Hiroshi Koizumi is a professional endurance racing driver, FIA Bronze graded, competing in GT3 machinery. He has raced primarily in Japan's Super GT series and latterly with TF Sport in international multiclass endurance championships; his most recent seasons have been in the European Le Mans Series and the FIA World Endurance Championship.[1]

Koizumi's indexed career spans from 2008 to the present, beginning with eight seasons in Super GT's GT300 class for APR. His international endurance programme began in 2013 with the WEC, where he accumulated ten starts across a decade with TF Sport. He contested the Le Mans Cup in 2023 with AF Corse, winning one race and taking two podiums from five starts, before moving to the European Le Mans Series in 2025 with TF Sport. In the 2025 ELMS season he has taken two wins and three podiums across six rounds in the LMGT3 class, securing the European Le Mans Series championship.[2]

In Super GT, Koizumi regularly finished behind established professionals Nobuteru Taniguchi, a three-time GT300 champion, and Kazuki Hoshino, a two-time GT300 champion. His international racing has placed him in fields mixing amateur and professional endurance competitors; he has finished ahead of Kenta Yamashita, a Platinum-graded driver and three-time Super GT GT500 champion, twice, and of Yuhi Sekiguchi, a Gold-graded established professional and 2021 Super GT GT500 champion, on three occasions.