All available race results Kota Iwai
| Date | Race | Rank |
| Tour of Japan | ||
| 17/05 | Prologue | 98 |
| 19/05 | Stage 2 | 83 |
| 20/05 | Stage 3 | 83 |
| 21/05 | Stage 4 | 86 |
| 22/05 | Stage 5 | 62 |
| 23/05 | Stage 6 | 77 |
| 24/05 | Stage 7 | 44 |
| General Classification | 81 |
Rider information for 2015
| Rank | 5096 |
| Score | 0 |
| Name | Kota IWAI |
| Country | Japan |
| Team | Nasu Blasen |
No results available in season 2016.
Rider information for 2016
| Rank | 5258 |
| Score | 0 |
| Name | Kota IWAI |
| Country | Japan |
| Team | Nasu Blasen |