Alltime competitors
| # | Rider | First participation |
|---|---|---|
| 1 | Arashiro Yukiya | 2019 |
| 2 | Nishimura Hiroki | 2018 |
| 3 | Uchima Kohei | 2011 |
| 4 | Yamashita Takahiro | 2008 |
| 5 | Ishida Tetsuya | 2005 |
| # | Rider | First participation |
|---|---|---|
| 1 | Arashiro Yukiya | 2019 |
| 2 | Nishimura Hiroki | 2018 |
| 3 | Uchima Kohei | 2011 |
| 4 | Yamashita Takahiro | 2008 |
| 5 | Ishida Tetsuya | 2005 |