El Gran Premio de San Marino de Fórmula 1 2005 se celebró el 24 de abril en Imola en el circuito Enzo y Dino Ferrari .
Los entrenamientos libres y la clasificación se celebraron del 22 al 24 de abril .
Clasificaciones los sábados y domingos por la mañana.
| Pos | No. | Piloto | Estable | Pedido Q1 | Hora Q1 | Pos Q1 | Tiempo Q1 + Q2 |
|---|---|---|---|---|---|---|---|
| 1 | 9 | Kimi Raikkonen | McLaren - Mercedes | 18 | 1:19 886 | 1 | 2 min 42 s 880 |
| 2 | 5 | Fernando Alonso | Renault | 20 | 1:19 889 | 2 | 2:43:44 |
| 3 | 3 | Botón de Jenson | BAR - Honda | 8 | 1:20:46 | 5 | 2 min 44 s 105 |
| 4 | 7 | Mark Webber | Williams - BMW | dieciséis | 1:20:44 | 4 | 2 min 44 s 511 |
| 5 | dieciséis | Jarno Trulli | Toyota | 19 | 1:20:49 | 6 | 2 min 44 s 518 |
| 6 | 4 | Takuma Satō | BAR - Honda | 7 | 1 min 20 s 851 | 10 | 2:44:65 |
| 7 | 10 | Alejandro wurz | McLaren - Mercedes | 2 | 1 min 20 seg 632 | 8 | 2:44:68 |
| 8 | 8 | Nick heidfeld | Williams - BMW | 6 | 1:20:80 | 9 | 2 min 45 s 196 |
| 9 | 2 | Rubens barrichello | Ferrari | 13 | 1:20:89 | 11 | 2 min 45 seg 240 |
| 10 | 17 | Ralf schumacher | Toyota | 17 | 1 min 20 s 994 | 12 | 2 min 45 seg 416 |
| 11 | 11 | Jacques Villeneuve | Sauber - Petronas | 11 | 1 min 20 s 999 | 13 | 2:46:25 |
| 12 | 6 | Giancarlo Fisichella | Renault | 4 | 1:21:70 | 15 | 2 min 46 seg 710 |
| 13 | 1 | Michael Schumacher | Ferrari | 5 | 1 min 20 s 260 | 3 | 2:47:24 |
| 14 | 14 | David Coulthard | Red Bull - Cosworth | 14 | 1:21:06 | 14 | 2 min 48 s 070 |
| 15 | 15 | Vitantonio Liuzzi | Red Bull - Cosworth | 1 | 1:21:80 | dieciséis | 2:48 155 |
| dieciséis | 19 | Narain karthikeyan | Jordania - Toyota | 3 | 1:23:23 | 17 | 2:52:09 |
| 17 | 18 | Tiago Monteiro | Jordania - Toyota | 12 | 1 min 25 s 100 | 18 | 2:54:25 |
| 18 | 12 | Felipe massa | Sauber - Petronas | 15 | 1:20:59 | 7 | 2 min 44 s 930 |
| 19 | 20 | Patrick friesacher | Minardi - Cosworth | 10 | 1:26:48 | 20 | 2:57:04 |
| 20 | 21 | Christijan Albers | Minardi - Cosworth | 9 | 1 min 25 s 921 | 19 | Accidente en el segundo trimestre |
| Pos | No. | Piloto | Estable | Excursiones | Tiempo / Abandono | Estante de alambre | Puntos |
|---|---|---|---|---|---|---|---|
| 1 | 5 | Fernando Alonso | Renault | 62 | 1 h 27 min 41 s 921 (209.086 km / h) | 2 | 10 |
| 2 | 1 | Michael Schumacher | Ferrari | 62 | + 0 s 215 | 13 | 8 |
| 3 | 10 | Alejandro wurz | McLaren - Mercedes | 62 | + 27s 554 | 7 | 6 |
| 4 | 11 | Jacques Villeneuve | Sauber - Petronas | 62 | + 1 min 04 s 442 | 11 | 5 |
| 5 | dieciséis | Jarno Trulli | Toyota | 62 | + 1 min 10 s 258 | 5 | 4 |
| 6 | 8 | Nick heidfeld | Williams - BMW | 62 | + 1 min 11 s 282 | 8 | 3 |
| 7 | 7 | Mark Webber | Williams - BMW | 62 | + 1 min 23 s 297 | 4 | 2 |
| 8 | 15 | Vitantonio Liuzzi | Red Bull - Cosworth | 62 | + 1 min 23 s 764 | 15 | 1 |
| 9 | 17 | Ralf schumacher | Toyota | 62 | + 1 min 35 s 841 (incluida la penalización de 25 s) | 10 | |
| 10 | 12 | Felipe massa | Sauber - Petronas | 61 | + 1 turno | 18 | |
| 11 | 14 | David Coulthard | Red Bull - Cosworth | 61 | + 1 turno | 14 | |
| 12 | 19 | Narain karthikeyan | Jordania - Toyota | 61 | + 1 turno | dieciséis | |
| 13 | 18 | Tiago Monteiro | Jordania - Toyota | 60 | + 2 vueltas | 17 | |
| Abd. | 21 | Christijan Albers | Minardi - Cosworth | 20 | Falla hidraulica | 20 | |
| Abd. | 2 | Rubens barrichello | Ferrari | 18 | Falla eléctrica | 9 | |
| Abd. | 9 | Kimi Raikkonen | McLaren - Mercedes | 9 | Columna de dirección | 1 | |
| Abd. | 20 | Patrick friesacher | Minardi - Cosworth | 8 | Embrague | 19 | |
| Abd. | 6 | Giancarlo Fisichella | Renault | 5 | Accidente | 12 | |
| Dsq. | 3 | Botón de Jenson | BAR - Honda | 62 | + 10 s 481 | 3 | |
| Dsq. | 4 | Takuma Satō | BAR - Honda | 62 | + 34 s 783 | 6 |