Most racedays with other riders
Riders sorted by the number of times they started in the same race as Anshu Hirai.
| # | Rider | Number of races |
|---|---|---|
| 1 | SATO Hikaru | 6 |
| 2 | OKAMOTO Katsuya | 6 |
| 3 | YUASA Hirotaka | 6 |
| 4 | HONDA Haruhi | 5 |
| 5 | YAMADA Takumi | 5 |
| 6 | TAKANASHI Mario | 5 |
| 7 | TSUDA Yugi | 5 |
| 8 | KARIYA Kazutoshi | 5 |
| 9 | KOMOTO Ryota | 4 |
| 10 | TSUDOME Ryo | 4 |
| 11 | NISHIHARA Yutaro | 4 |
| 12 | TODOME Yuhi | 4 |
| 13 | KAMADA Koki | 4 |
| 14 | ENOKI Keiju | 4 |
| 15 | HIGA Yuki | 4 |
| 16 | UDAGAWA Rui | 4 |
| 17 | NAKAJIMA Ayumi | 4 |
| 18 | KAWANO Shouki | 4 |
| 19 | AMANO Takeharu | 4 |
| 20 | AOSHIMA Touya | 4 |
| 21 | TAMASHIRO Shota | 4 |
| 22 | WATANABE Ryoma | 4 |
| 23 | YAMAGUCHI Eiji | 4 |
| 24 | ITSUZAKI Mizuki | 4 |
| 25 | TERADA Yoshiki | 4 |
| 26 | SUZUKI Michiya | 3 |
| 27 | NAKANO Daiji | 3 |
| 28 | FUJII Ryosuke | 3 |
| 29 | SHIRAKAWA Ryuta | 3 |
| 30 | MIKAMO Seijiro | 3 |
| 31 | WATANABE Kazuki | 3 |
| 32 | TAKAGI Rai | 3 |
| 33 | NISHIMURA Kousei | 3 |
| 34 | WU Chuluo | 3 |
| 35 | TAKADA Kento | 3 |
| 36 | IKEDA Keito | 3 |
| 37 | NAKASHIMA Masato | 3 |
| 38 | HATSUKAWA Kohiro | 3 |
| 39 | YOSHIDA Keigo | 3 |
| 40 | HOSOKAWA Kenta | 3 |
| 41 | SATO Takashi | 3 |
| 42 | SHINOZAKI Sohei | 3 |
| 43 | KAI Hayato | 3 |
| 44 | YAHAGI Yuya | 3 |
| 45 | SATO Hiroshi | 3 |
| 46 | KAYAMA Hiryu | 3 |
| 47 | IKARASHI Kota | 3 |
| 48 | UWANO Hayato | 3 |
| 49 | MURAYAMA Koshi | 3 |
| 50 | OKOCHI Masahiro | 3 |