Most racedays with other riders
Riders sorted by the number of times they started in the same race as Masaki Hirabayashi.
| # | Rider | Number of races |
|---|---|---|
| 1 | KANO Tomoya | 15 |
| 2 | SANO Junya | 14 |
| 3 | SUZUKI Shinri | 13 |
| 4 | FUKUHARA Masaru | 12 |
| 5 | HATANAKA Yusuke | 12 |
| 6 | HIRATSUKA Yoshimitsu | 12 |
| 7 | YAMAMOTO Masamichi | 11 |
| 8 | SUZUKI Yuzuru | 11 |
| 9 | UCHIMA Kohei | 11 |
| 10 | INOUE Kazuo | 11 |
| 11 | YAMANE Masafumi | 11 |
| 12 | FUKUSHIMA Shinichi | 11 |
| 13 | OBATA Kaoru | 11 |
| 14 | IWASHIMA Keita | 11 |
| 15 | SHIMIZU Yoshiyuki | 10 |
| 16 | SHIMIZU Miyataka | 10 |
| 17 | NONAKA Ryoma | 10 |
| 18 | HIROSE Yoshimasa | 9 |
| 19 | YEUNG Ronald | 9 |
| 20 | MORI Kazuhiro | 9 |
| 21 | NAKAMURA Makoto | 9 |
| 22 | KOSAKA Hikaru | 9 |
| 23 | YOSHIDA Hayato | 9 |
| 24 | MUKAIGAWA Naoki | 9 |
| 25 | TSUJI Yoshimitsu | 9 |
| 26 | NISHITANI Taiji | 9 |
| 27 | NAKAJIMA Yasuharu | 9 |
| 28 | MANABE Kazuyuki | 8 |
| 29 | SHINAGAWA Masahiro | 8 |
| 30 | AYABE Takeaki | 8 |
| 31 | NITO Yasuhiro | 8 |
| 32 | TOGAO Taichi | 8 |
| 33 | YAMAMOTO Genki | 8 |
| 34 | KAMATA Keisuke | 8 |
| 35 | ITO Masakazu | 7 |
| 36 | MATSUMURA Mitsuhiro | 7 |
| 37 | NAGANUMA Takayuki | 7 |
| 38 | NISHIZONO Ryota | 7 |
| 39 | HIOKI Daisuke | 7 |
| 40 | FUKUDA Shinpei | 7 |
| 41 | KWOK Ho Ting | 6 |
| 42 | OTSUKA Wataru | 6 |
| 43 | FUJIOKA Tetsuya | 6 |
| 44 | SAITO Shota | 6 |
| 45 | KODAN Akira | 6 |
| 46 | NODERA Hidenori | 6 |
| 47 | IINO Yoshinori | 6 |
| 48 | SUZUKI Kenichi | 6 |
| 49 | GAROFALO Vincenzo | 6 |
| 50 | CHIEH LIU Wei | 6 |