Alltime competitors
| # | Rider | First participation |
|---|---|---|
| 1 | Ishihara Yuki | 2022 |
| 2 | Suzuki Ryu | 2016 |
| 3 | Nishizono Ryota | 2016 |
| 4 | Inoue Kazuo | 2016 |
| 5 | Uchima Kohei | 2016 |
| 6 | Tsubaki Hiroshi | 2014 |
| 7 | Itami Kenji | 2014 |
| 8 | Hatsuyama Sho | 2014 |
| 9 | Terasaki Takero | 2014 |
| 10 | Arashiro Yukiya | 2008 |
| 11 | Nakajima Yasuharu | 2008 |
| 12 | Kikuchi Masaaki | 2008 |
| 13 | Miyazawa Takashi | 2006 |
| 14 | Fukushima Shinichi | 2004 |
| 15 | Shimizu Yusuke | 2004 |
| 16 | Sano Tomoya | 2004 |
| 17 | Shimizu Miyataka | 2004 |
| 18 | Mizutani Takehiro | 2004 |
| 19 | Fukushima Koji | 2004 |
| 20 | Tashiro Yasutaka | 2004 |