BELGIUM Grand Prix 2023: fastest-laps
| pos | no | driver | lap | timeofday | time | avgspeed |
| 1 | 44 | Hamilton | 44 | 16:27:05 | 1:47.305 | 234.978 |
| 2 | 1 | Verstappen | 32 | 16:04:12 | 1:48.922 | 231.490 |
| 3 | 23 | Albon | 35 | 16:11:05 | 1:49.841 | 229.553 |
| 4 | 27 | Hulkenberg | 26 | 15:54:05 | 1:49.907 | 229.415 |
| 5 | 24 | Zhou | 27 | 15:56:01 | 1:50.188 | 228.830 |
| 6 | 11 | Perez | 31 | 16:02:33 | 1:50.308 | 228.581 |
| 7 | 16 | Leclerc | 30 | 16:00:46 | 1:50.436 | 228.316 |
| 8 | 31 | Ocon | 27 | 15:55:50 | 1:50.439 | 228.310 |
| 9 | 2 | Sargeant | 37 | 16:14:58 | 1:50.486 | 228.213 |
| 10 | 77 | Bottas | 26 | 15:54:01 | 1:50.515 | 228.153 |
| 11 | 63 | Russell | 25 | 15:51:55 | 1:50.603 | 227.972 |
| 12 | 10 | Gasly | 25 | 15:52:04 | 1:50.911 | 227.339 |
| 13 | 14 | Alonso | 42 | 16:23:29 | 1:50.938 | 227.283 |
| 14 | 20 | Magnussen | 27 | 15:55:55 | 1:50.993 | 227.171 |
| 15 | 3 | Ricciardo | 25 | 15:52:15 | 1:50.994 | 227.169 |
| 16 | 18 | Stroll | 26 | 15:53:52 | 1:51.297 | 226.550 |
| 17 | 22 | Tsunoda | 26 | 15:53:54 | 1:51.394 | 226.353 |
| 18 | 4 | Norris | 26 | 15:53:47 | 1:51.682 | 225.769 |
| 19 | 55 | Sainz | 9 | 15:21:24 | 1:53.138 | 222.864 |