Most racedays with other riders
Riders sorted by the number of times they started in the same race as Hiryu Kayama.
| # | Rider | Number of races |
|---|---|---|
| 1 | YAMADA Takumi | 20 |
| 2 | TANI Junsei | 17 |
| 3 | ISHIHARA Yuki | 17 |
| 4 | YAMAMOTO Masaki | 16 |
| 5 | YAMAMOTO Genki | 16 |
| 6 | KAZAMA Shoma | 16 |
| 7 | AMANO Takeharu | 15 |
| 8 | NAKAI Tadaaki | 15 |
| 9 | OKAMOTO Hayato | 15 |
| 10 | ARASHIRO Yudai | 15 |
| 11 | OKA Atsushi | 15 |
| 12 | YAMAMOTO Tetsuo | 14 |
| 13 | IRIBE Shotaro | 14 |
| 14 | MAGOSAKI Daiki | 14 |
| 15 | MIYAZAKI Taishi | 14 |
| 16 | KOISHI Yuma | 14 |
| 17 | KUSABA Keigo | 14 |
| 18 | YASUHARA Daiki | 13 |
| 19 | ABE Takayuki | 13 |
| 20 | LEBAS Thomas | 13 |
| 21 | YOKOTSUKA Kohei | 12 |
| 22 | UCHIDA Takami | 12 |
| 23 | KOBAYASHI Marino | 12 |
| 24 | ASO Keisuke | 12 |
| 25 | TOBARU Hayato | 12 |
| 26 | SUZUKI Yuzuru | 12 |
| 27 | KAWANO Shouki | 12 |
| 28 | SUMIYOSHI Kota | 12 |
| 29 | TODOME Yuhi | 12 |
| 30 | KUBOTA Yusuke | 12 |
| 31 | ODA Hijiri | 12 |
| 32 | YUASA Hirotaka | 12 |
| 33 | MUKAIGAWA Naoki | 11 |
| 34 | MASUDA Nariyuki | 11 |
| 35 | SAWADA Keitaro | 11 |
| 36 | TOMIO Daichi | 11 |
| 37 | HONDA Haruhi | 11 |
| 38 | DYBALL Benjamin | 11 |
| 39 | KUROEDA Shiki | 11 |
| 40 | ONODERA Rei | 10 |
| 41 | QUINTERO Leonel | 10 |
| 42 | TAKEYAMA Kosuke | 10 |
| 43 | TORIBIO José Vicente | 10 |
| 44 | ISHIGAMI Masahiro | 10 |
| 45 | SAWADA Toki | 10 |
| 46 | MANCEBO Francisco | 10 |
| 47 | TERADA Yoshiki | 10 |
| 48 | TAKEMURA Taku | 10 |
| 49 | EARLE Nathan | 9 |
| 50 | TAKANASHI Mario | 9 |