All races
All races where Sonnenberg was either departure or arrival city, or a location on the route.
| # | Date | Race |
|---|---|---|
| 1 | 2003-05-11 | Thüringen-Rundfahrt | Stage 6 |
| 2 | 2003-05-06 | Thüringen-Rundfahrt | Stage 1 |
| 3 | 2003-05-05 | Thüringen-Rundfahrt | Prologue |
| # | Date | Race |
|---|---|---|
| 1 | 2003-05-11 | Thüringen-Rundfahrt | Stage 6 |
| 2 | 2003-05-06 | Thüringen-Rundfahrt | Stage 1 |
| 3 | 2003-05-05 | Thüringen-Rundfahrt | Prologue |