| Date | 14 July 2021 - 18 July 2021 |
|---|---|
| Category | 2.1 |
| Start | Alghero |
| Finish | Cagliari |
| Distance | 860.4 km |
| Website | www.gsemilia.it/a57_settimana-internazionale-italiana.html |
| Stage | Date | Start | Finish |
|---|---|---|---|
| 1 | 14.07 | Alghero | Sassari |
| 2 | 15.07 | Sassari | Oristano |
| 3 | 16.07 | Oristano | Cagliari |
| 4 | 17.07 | Cagliari | Cagliari |
| 5 | 18.07 | Cagliari | Cagliari |
| 2021 | Diego Ulissi |
| 1 | Diego Ulissi |