Formula 1 First Free Practice Results Montmeló Barcelona Friday June 12
| P | Driver | Team | Lap time | Laps |
| 1 | George Russell | Mercedes | 01:16.363 | 27 |
| 2 | Oscar Piastri | McLaren | 01:16.566 | 29 |
| 3 | Charles Leclerc | Scuderia Ferrari | 01:16.883 | 29 |
| 4 | Max Verstappen | Red Bull Racing | 01:17.047 | 29 |
| 5 | Leonardo Fornaroli* | McLaren | 01:17.216 | 22 |
| 6 | Paul Aron^ | Audi | 01:17.321 | 24 |
| 7 | Liam Lawson | Racing Bulls | 01:17.472 | 24 |
| 8 | Dino Beganovic° | Scuderia Ferrari | 01:17.778 | 30 |
| 9 | Arvid Lindblad | Racing Bulls | 01:17.804 | 29 |
| 10 | Franco Colapinto | Alpine | 01:17.893 | 28 |
| 11 | Oliver Bearman | Haas | 01:18.172 | 25 |
| 12 | Gabriel Bortoleto | Audi | 01:18.209 | 28 |
| 13 | Carlos Sainz | Williams | 01:18.293 | 27 |
| 14 | Ayumu Iwasa+ | Red Bull Racing | 01:18.298 | 21 |
| 15 | Frederik Vesti~ | Mercedes | 01:18.365 | 28 |
| 16 | Esteban Ocon | Haas | 01:18.372 | 27 |
| 17 | Pierre Gasly | Alpine | 01:18.508 | 23 |
| 18 | Valtteri Bottas | Cadillac | 01:18.914 | 23 |
| 19 | Fernando Alonso | Aston Martin | 01:20.067 | 23 |
| 20 | Lance Stroll | Aston Martin | 01:20.318 | 21 |
| 21 | Colton Herta** | Cadillac | 01:20.697 | 27 |
*Substitute for Lando Norris
^Substitute for Nico Hülkenberg
°Substitute for Lewis Hamilton
+Substitute for Isack Hadjar
~Substitute for Andrea Antonelli
**Substitute for Sergio Perez
Note: Williams reserve driver Luke Browning was unable to take part in FP1 due to an electrical issue on his car.