| Stage 17: Sondrio to Locarno, 146km |
| 1 Andre Greipel (Ger) Team High Road | 3:27:05 |
| 2 Mark Cavendish (GBr) Team High Road |
| 3 Daniele Bennati (Ita) Liquigas |
| 4 Erik Zabel (Ger) Team Milram |
| 5 Assan Bazayev (Kaz) Astana |
| 6 Alexandre Usov (Blr) AG2R La Mondiale |
| 7 Enrico Gasparotto (Ita) Barloworld |
| 8 Bram De Groot (Ned) Rabobank |
| 9 Alexander Serov (Rus) Tinkoff Credit Systems |
| 10 Nikolay Trusov (Rus) Tinkoff Credit Systems |
|
| 68 Ryder Hesjedal (Can) Slipstream Chipotle p/b H30 | all s.t. |
|
| GC |
| 1 Alberto Contador (Esp) Astana | 72:14:40 |
| 2 Riccardo Ricco (Ita) Saunier Duval - Scott | at 0:41 |
| 3 Gilberto Simoni (Ita) Serramenti PVC Diquigiovanni-Androni Giocattoli | 1:21 |
| 4 Marzio Bruseghin (Ita) Lampre | 2:00 |
| 5 Franco Pellizotti (Ita) Liquigas | 2:05 |
| 6 Danilo Di Luca (Ita) LPR Brakes | 2:18 |
| 7 Denis Menchov (Rus) Rabobank | 2:47 |
| 8 Emanuele Sella (Ita) CSF Group Navigare | 4:25 |
| 9 Jurgen Van Den Broeck (Bel) Silence - Lotto | 4:26 |
| 10 Domenico Pozzovivo (Ita) CSF Group Navigare | 5:25 |
|
| 68 Ryder Hesjedal (Can) Slipstream Chipotle p/b H30 | 1:20:12 |
