Most racedays with other riders
Riders sorted by the number of times they started in the same race as Naoki Kojima.
| # | Rider | Number of races |
|---|---|---|
| 1 | KAWANO Shouki | 10 |
| 2 | MIYAZAKI Taishi | 10 |
| 3 | ISHIGAMI Masahiro | 9 |
| 4 | MAGOSAKI Daiki | 9 |
| 5 | ODA Hijiri | 9 |
| 6 | NAKAI Tadaaki | 9 |
| 7 | TOBARU Hayato | 9 |
| 8 | KUSABA Keigo | 9 |
| 9 | YAMADA Takumi | 9 |
| 10 | YAMAMOTO Tetsuo | 9 |
| 11 | YUASA Hirotaka | 8 |
| 12 | KUBOTA Yusuke | 8 |
| 13 | MATSUDA Shoi | 8 |
| 14 | ABE Takayuki | 8 |
| 15 | SATO Hiroshi | 8 |
| 16 | ASO Keisuke | 8 |
| 17 | IMAMURA Shunsuke | 8 |
| 18 | SAWADA Keitaro | 8 |
| 19 | ONODERA Rei | 8 |
| 20 | OKAMOTO Hayato | 8 |
| 21 | HONDA Haruhi | 7 |
| 22 | TAKEMURA Taku | 7 |
| 23 | KOISHI Yuma | 7 |
| 24 | IRIBE Shotaro | 7 |
| 25 | KOBAYASHI Marino | 7 |
| 26 | TANI Junsei | 7 |
| 27 | SUMIYOSHI Kota | 7 |
| 28 | YAMAMOTO Genki | 7 |
| 29 | NISHIO Keito | 7 |
| 30 | ISHIBASHI Manabu | 7 |
| 31 | KUROEDA Shiki | 7 |
| 32 | YASUHARA Daiki | 7 |
| 33 | NAKASHIMA Masato | 7 |
| 34 | MANCEBO Francisco | 6 |
| 35 | DYBALL Benjamin | 6 |
| 36 | KAZAMA Shoma | 6 |
| 37 | AMANO Takeharu | 6 |
| 38 | TODOME Yuhi | 6 |
| 39 | TORIBIO José Vicente | 6 |
| 40 | KAYAMA Hiryu | 6 |
| 41 | KOIDE Itsuki | 6 |
| 42 | ISHIHARA Yuki | 6 |
| 43 | QUINTERO Leonel | 6 |
| 44 | NISHIHARA Yutaro | 6 |
| 45 | KADOTA Yusuke | 6 |
| 46 | TAKEYAMA Kosuke | 6 |
| 47 | OKA Atsushi | 6 |
| 48 | YAMAMOTO Masaki | 6 |
| 49 | CAVANAGH Ryan | 6 |
| 50 | ARASHIRO Yudai | 6 |