Most racedays with other riders
Riders sorted by the number of times they started in the same race as Tomoya Koyama.
| # | Rider | Number of races |
|---|---|---|
| 1 | ISHIHARA Yuki | 18 |
| 2 | YAMAMOTO Masaki | 12 |
| 3 | ISHIBASHI Manabu | 12 |
| 4 | MAGOSAKI Daiki | 12 |
| 5 | YOKOYAMA Kota | 11 |
| 6 | ORMISTON Callum | 11 |
| 7 | KUSABA Keigo | 10 |
| 8 | SHIRAKAWA Koki | 10 |
| 9 | WATANABE Ayumu | 10 |
| 10 | YAMAMOTO Genki | 10 |
| 11 | ARASHIRO Yudai | 9 |
| 12 | YASUHARA Daiki | 9 |
| 13 | NAKAI Tadaaki | 9 |
| 14 | ŞAMPIYONBISIKLET Mehmet | 9 |
| 15 | TOMIO Daichi | 9 |
| 16 | OKA Atsushi | 9 |
| 17 | CAÑELLAS Xavier | 9 |
| 18 | SAWADA Keitaro | 9 |
| 19 | OMACHI Kento | 9 |
| 20 | AULAR Orluis | 8 |
| 21 | OKAMOTO Hayato | 8 |
| 22 | SUMIYOSHI Kota | 8 |
| 23 | OMAE Kakeru | 8 |
| 24 | SUZUKI Yuzuru | 8 |
| 25 | IRIBE Shotaro | 8 |
| 26 | ISHIGAMI Masahiro | 8 |
| 27 | KATSURA Yoshihiro | 8 |
| 28 | KUROEDA Shiki | 8 |
| 29 | NISHIO Keito | 8 |
| 30 | HATANAKA Yusuke | 8 |
| 31 | ABE Takayuki | 8 |
| 32 | KOMORI Ryohei | 8 |
| 33 | DIMA Emil | 7 |
| 34 | TOKOI Ryota | 7 |
| 35 | HANADA Kiyomasa | 7 |
| 36 | NAKAMURA Kaito | 7 |
| 37 | NAKATA Takuya | 7 |
| 38 | TANI Junsei | 7 |
| 39 | ONODERA Rei | 7 |
| 40 | MATSUDA Shoi | 7 |
| 41 | KAZAMA Shoma | 7 |
| 42 | TOBARU Hayato | 7 |
| 43 | ODA Hijiri | 7 |
| 44 | MASUDA Nariyuki | 7 |
| 45 | KUROEDA Saya | 7 |
| 46 | NAKAGAWA Ken | 7 |
| 47 | SUZUKI Shiryu | 7 |
| 48 | SANO Junya | 7 |
| 49 | KOBAYASHI Marino | 7 |
| 50 | NISHIHARA Yutaro | 7 |