SYNTHESIZED FROM 2 SOURCES · UPDATED 0H AGO
Katsumasa Chiyo is a Japanese driver who came through the Nissan Driver Development Program and built his career primarily as a factory driver in the Autobacs Super GT Series. Beyond his home championship, he has competed internationally, with prior success including the Bathurst 12 Hour and a GT World Challenge Europe Endurance Cup title, experience that established him as an accomplished GT specialist over the course of his career.[1]
Within the Racer DB record, Chiyo is listed as a retired driver whose GT World Challenge Europe activity is tied to KCMG, with a single career start in the series and no wins or podiums recorded there. His Racer Rating stands at 2,980, placing him 1094th among active drivers on the platform's Elo-style scale. In the 2026 season, he appears with one round completed, no wins or podiums, and a standings position of P216.[2]
SOURCES: [1] INDEXED RACE CLASSIFICATIONS[2] Wikipedia