Info
| Last name | Hirose |
| First name | Yoshimasa |
| Nationality |  Japan |
| Date of birth | 21-10-1977 |
| Age | 48 |
| Date | Rank | Race |
|---|---|---|
| 13-11 | 5 | Tour de Okinawa (1.2) |
| 23-10 | 30 | Japan Cup (1.1) |
Teams
Staff
| Year | Team |
|---|---|
| 2026 | Astemo Utsunomiya Blitzen |
| 2025 | Utsunomiya Blitzen |
| 2024 | Utsunomiya Blitzen |
| 2013 | Utsunomiya Blitzen |
Rider
| Year | Team |
|---|---|
| 2012 | Utsunomiya Blitzen |
| 2011 | Utsunomiya Blitzen |
| 2010 | Utsunomiya Blitzen |
| 2009 | Blitzen Utsunomiya Pro Racing |
| 2008 |  Skil - Shimano |
| 2007 | Skil - Shimano |
| 2006 | Skil - Shimano |
| 2005 | Shimano - Memory Corp |
| 2004 | Shimano Racing |
| 2003 | Shimano Racing |
Victories
| This year | 0 |
| Total | 0 |