| Date: | Monday, 9 March 2009 |
| Session: | Day 1 (of 4) |
| Track: | Barcelona |
| Track length: | 4.655 km |
| Weather: | Overcast in the morning, then cloudy with a few sunny spells (Air: 10-17°C, Track: 11-24°C) |
| News article: | Jerez: Heidfeld quickest but Button shines on day 1 Jerez: Day 1 team test notes |
| P | Driver | Constructor | Car | T | Time | Gap | Avg Speed | Laps |
| 1 | Nick Heidfeld | BMW Sauber-BMW | F1.09 | B | 1:20.338 | 208.594 | 96 | |
| 2 | Kimi Räikkönen | Ferrari | F60 | B | 1:20.908 | 0.570 | 207.124 | 81 |
| 3 | Jarno Trulli | Toyota | TF109 | B | 1:20.937 | 0.599 | 207.050 | 121 |
| 4 | Jenson Button | Brawn-Mercedes | BGP001 | B | 1:21.140 | 0.802 | 206.532 | 82 |
| 5 | Nelson Piquet jr. | Renault | R29 | B | 1:21.662 | 1.324 | 205.212 | 126 |
| 6 | Sébastien Bourdais | Toro Rosso-Ferrari | STR4 | B | 1:22.158 | 1.820 | 203.973 | 86 |
| 7 | Mark Webber | Red Bull-Renault | RB5 | B | 1:22.246 | 1.908 | 203.755 | 117 |
| 8 | Adrian Sutil | Force India-Mercedes | VJM02 | B | 1:22.452 | 2.114 | 203.246 | 129 |
| 9 | Kazuki Nakajima | Williams-Toyota | FW31 | B | 1:22.813 | 2.475 | 202.360 | 111 |
| 10 | Heikki Kovalainen | McLaren-Mercedes | MP4-24 | B | 1:22.948 | 2.610 | 202.030 | 90 |