Most riders in top-10
Number of riders from Japan in the top-10 of the final classification.
| # | Season | #Riders in top-10 | Riders |
|---|---|---|---|
| 1 | 2014 | 2 | Yasuharu Nakajima (7), Hideto Nakane (9) |
| 2 | 2013 | 4 | Yukihiro Doi (4), Masakazu Ito (6), Taiji Nishitani (8), Tomoya Kano (9) |
| 3 | 2010 | 1 | Masahiro Shinagawa (7) |
| 4 | 2009 | 2 | Takumi Beppu (7), Takeaki Ayabe (8) |
| 5 | 2008 | 1 | Tomoya Kano (7) |
| 6 | 2007 | 2 | Takumi Beppu (5), Tomoya Kano (7) |
| 7 | 2006 | 2 | Yasutaka Tashiro (3), Takayuki Naganuma (10) |