All available race results Kazutoshi Kariya
| Date | Race | Rank |
| Tour of Japan | ||
| 28/05 | Stage 1 | 19 |
| 29/05 | Stage 2 | 2 |
| 30/05 | Stage 3 | 16 |
| General Classification | 16 |
Rider information for 2021
| Rank | 2191 |
| Score | 5 |
| Name | Kazutoshi KARIYA |
| Country | Japan |
| Team | Elite without contract |
| Date | Race | Rank |
| Tour of Japan | ||
| 19/05 | Stage 1 | 35 |
| 20/05 | Stage 2 | 31 |
| 21/05 | Stage 3 | 27 |
| 22/05 | Stage 4 | 54 |
| General Classification | 34 | |
| 02/10 | Oita Urban Classic Road Race | 25 |
Rider information for 2022
| Rank | 3115 |
| Score | 3 |
| Name | Kazutoshi KARIYA |
| Country | Japan |
| Team | Kinan Racing Team |
| Date | Race | Rank |
| 04/02 | Grand Prix Apollon Temple | 54 |
| 01/03 | Trofej Umag - Umag Trophy | 141 |
| Istarsko proljece - Istrian Spring Trophy | ||
| 09/03 | Prologue | 153 |
| Tour of Japan | ||
| 21/05 | Prologue | 75 |
| 22/05 | Stage 1 | 58 |
| 23/05 | Stage 2 | 36 |
| 24/05 | Stage 3 | 33 |
| 25/05 | Stage 4 | 37 |
| 26/05 | Stage 5 | 70 |
| 27/05 | Stage 6 | 38 |
| 28/05 | Stage 7 | 74 |
| General Classification | 46 | |
| Sibiu Cycling Tour | ||
| 06/07 | Stage 1 | 124 |
| 07/07 | Stage 2 | 129 |
| 08/07 | Stage 3 | 108 |
| 09/07 | Stage 4a | 122 |
| 09/07 | Stage 4b | 79 |
| General Classification | 118 | |
| Czech Tour | ||
| 27/07 | Stage 1 | 134 |
| 28/07 | Stage 2 | 132 |
| 29/07 | Stage 3 | 124 |
Rider information for 2023
| Rank | 6824 |
| Score | 0 |
| Name | Kazutoshi KARIYA |
| Country | Japan |
| Team | EF Education - Nippo Development Team |