Kai Hiroki currently has a ranking of Elite B (week 36/2026), which is position TOP 10 among men in Japan. Kai has run 30 scored trail races. The best scoring result achieved is several hundred RMT points on a course of ⨦ 161 km and + 5 300 m vertical during Western States Endurance Run in 2026. They recently participated in UTMB 2026 and scored a lot of RMT points.