Volta a Portugal 2021 - Proloog
| Datum | 04 aug 2021 |
| Afstand | 5,4 km |
Uitslag
| Pos | Coureur | Leeftijd | Team | Nationaliteit |
|---|---|---|---|---|
| 🥇 1 | Rafael Reis | 29 | Efapel | 🇵🇹 Portugal |
| 🥈 2 | Mauricio Moreira | 26 | Efapel | 🇺🇾 Uruguay |
| 🥉 3 | Lluis Mas Bonet | 32 | Movistar Team | 🇪🇸 Spanje |
| 4 | Diego Lopez Fuentes | 23 | Kern Pharma | 🇪🇸 Spanje |
| 5 | Mathias Norsgaard Jörgensen | 24 | Movistar Team | 🇩🇰 Denemarken |
| 6 | Samuel Jose Rodrigues Caldeira | 35 | W52 - FC Porto | 🇵🇹 Portugal |
| 7 | Juri Hollmann | 21 | Movistar Team | 🇩🇪 Duitsland |
| 8 | Tom Wirtgen | 25 | Bingoal Pauwels Sauces WB | 🇱🇺 Luxemburg |
| 9 | Alexander Grigoriev | 29 | Atum General - Tavira - Maria Nova Hotel | 🇷🇺 Rusland |
| 10 | Gustavo Cesar Veloso | 41 | Atum General - Tavira - Maria Nova Hotel | 🇪🇸 Spanje |