Most grandtour starts by competitors
Number of starts in grand tours before the start of National Championships Japan ME - ITT 2021.
| Pos. | Rider | Starts | Tour | Giro | Vuelta |
|---|---|---|---|---|---|
| 1 | ISHIBASHI Manabu | 1 | - | 1 | - |
| 2 | KATO Tatsuya | 0 | - | - | - |
| 3 | KOISHI Yuma | 0 | - | - | - |
| 4 | HARADA Hiroaki | 0 | - | - | - |
| 5 | NAKAGAWA Ken | 0 | - | - | - |
| 6 | TANI Junsei | 0 | - | - | - |
| 7 | OMAE Kakeru | 0 | - | - | - |
| 8 | TOKUDA Suguru | 0 | - | - | - |
| 9 | SANO Junya | 0 | - | - | - |
| 10 | ONODERA Rei | 0 | - | - | - |
| 11 | OMACHI Kento | 0 | - | - | - |
| 12 | KAZAMA Shoma | 0 | - | - | - |
| 13 | ISHIHARA Yuki | 0 | - | - | - |
| 14 | ABE Takayuki | 0 | - | - | - |
| 15 | OKA Atsushi | 0 | - | - | - |
| 16 | NAKANE Hideto | 0 | - | - | - |
| 17 | YAMAMOTO Masaki | 0 | - | - | - |
| 18 | MASUDA Nariyuki | 0 | - | - | - |