Info
| Last name | Siebor |
| First name | Boleslaw |
| Nationality |  Poland |
| Date of birth | 29-03-1987 |
| Age | 38 |
Results
| Date | Rank | Race |
|---|---|---|
| 30-07 | 39 |  European Championship Mountainbike U19 (EC) |
Teams
| Year | Team |
|---|---|
| 2006 | MBK - Cycles - Scout |
Victories
| This year | 0 |
| Total | 0 |
| Last name | Siebor |
| First name | Boleslaw |
| Nationality | Poland |
| Date of birth | 29-03-1987 |
| Age | 38 |
| Date | Rank | Race |
|---|---|---|
| 30-07 | 39 | European Championship Mountainbike U19 (EC) |
| Year | Team |
|---|---|
| 2006 | MBK - Cycles - Scout |
| This year | 0 |
| Total | 0 |