All available race results Hiroshi Sakaguchi
| Date | Race | Rank |
| 09/10 | World Championships U23 Time Trial | 49 |
Rider information for 1996
| Rank | 952 |
| Score | 10 |
| Name | Hiroshi SAKAGUCHI |
| Country | Japan |
| Team | Individual |
| Date | Race | Rank |
| Tour of Japan | ||
| 21/05 | Stage 1 | 34 |
| 22/05 | Stage 2 | 33 |
| 24/05 | Stage 3 | 80 |
| 26/05 | Stage 4 | 77 |
| 27/05 | Stage 5 | 73 |
| 28/05 | Stage 6 | 19 |
| General Classification | 73 |
Rider information for 2000
| Rank | 2487 |
| Score | 0 |
| Name | Hiroshi SAKAGUCHI |
| Country | Japan |
| Team | Individual |
| Date | Race | Rank |
| Tour of Japan | ||
| 20/05 | Stage 1 | 11 |
| 21/05 | Stage 2 | 15 |
| 23/05 | Stage 3 | 15 |
| 25/05 | Stage 4 | 30 |
| 26/05 | Stage 5 | 6 |
| 27/05 | Stage 6 | 28 |
| General Classification | 5 |
Rider information for 2001
| Rank | 2667 |
| Score | 0 |
| Name | Hiroshi SAKAGUCHI |
| Country | Japan |
| Team | Individual |
| Date | Race | Rank |
| Tour of Japan | ||
| 19/05 | Stage 1 | 53 |
| 20/05 | Stage 2 | 81 |
| 22/05 | Stage 3 | 82 |
Rider information for 2002
| Rank | 2824 |
| Score | 0 |
| Name | Hiroshi SAKAGUCHI |
| Country | Japan |
| Team | Individual |
| Date | Race | Rank |
| Tour of Japan | ||
| 23/05 | Stage 1 | 55 |
| 24/05 | Stage 2 | 49 |
Rider information for 2004
| Rank | 3186 |
| Score | 0 |
| Name | Hiroshi SAKAGUCHI |
| Country | Japan |
| Team | Individual |