D1 Grand Prix
…Best finishing position for a female driver — Shiina Tamaki, 4th place, 2026 Round 1. Most Wins in a single D1GP season — 5 wins, Daigo Saito, 2015 Season; Masanori Kohashi, 2020 Season. Most Wins in a single D1 Street Legal season — 5 wins, Naoto Suenaga, 2006 Season…