ICEBERG USA GRAND PRIX - FASTEST LAPS
10 Mar 1991
Phoenix Street Circuit, United States
| Pos. | No. | Driver | Team | Lap | Time |
|---|---|---|---|---|---|
| 1 | 28 | Jean AlesiALE | Ferrari | 49 | 1:26.758 |
| 2 | 27 | Alain ProstPRO | Ferrari | 68 | 1:26.845 |
| 3 | 20 | Nelson PiquetPIQ | Benetton Ford | 67 | 1:26.965 |
| 4 | 1 | Ayrton SennaSEN | McLaren Honda | 39 | 1:27.153 |
| 5 | 6 | Riccardo PatresePAT | Williams Renault | 24 | 1:27.450 |
| 6 | 4 | Stefano ModenaMOD | Tyrrell Honda | 69 | 1:27.983 |
| 7 | 19 | Roberto MorenoMOR | Benetton Ford | 40 | 1:28.044 |
| 8 | 3 | Satoru NakajimaNAK | Tyrrell Honda | 67 | 1:28.227 |
| 9 | 2 | Gerhard BergerBER | McLaren Honda | 33 | 1:28.286 |
| 10 | 5 | Nigel MansellMAN | Williams Renault | 28 | 1:28.502 |
| 11 | 32 | Bertrand GachotGAC | Jordan Ford | 73 | 1:28.975 |
| 12 | 30 | Aguri SuzukiSUZ | Lola Ford | 12 | 1:28.993 |
| 13 | 11 | Mika HakkinenHAK | Lotus Judd | 43 | 1:29.072 |
| 14 | 16 | Ivan CapelliCAP | Leyton House Ilmor | 30 | 1:29.201 |
| 15 | 25 | Thierry BoutsenBOU | Ligier Lamborghini | 40 | 1:29.310 |
| 16 | 23 | Pierluigi MartiniMAR | Minardi Ferrari | 47 | 1:29.356 |
| 17 | 15 | Mauricio GugelminGUG | Leyton House Ilmor | 24 | 1:29.505 |
| 18 | 34 | Nicola LariniLAR | Lambo Lamborghini | 46 | 1:29.877 |
| 19 | 21 | Emanuele PirroPIR | Dallara Judd | 14 | 1:29.910 |
| 20 | 9 | Michele AlboretoALB | Footwork Porsche | 27 | 1:30.077 |
| 21 | 17 | Gabriele TarquiniTAR | AGS Ford | 73 | 1:30.242 |
| 22 | 7 | Martin BrundleBRU | Brabham Yamaha | 29 | 1:30.472 |
| 23 | 8 | Mark BlundellBLU | Brabham Yamaha | 32 | 1:31.092 |
| 24 | 22 | Jyrki JarvilehtoJAR | Dallara Judd | 6 | 1:31.435 |
| 25 | 24 | Gianni MorbidelliMOR | Minardi Ferrari | 13 | 1:31.631 |
| 26 | 29 | Eric BernardBER | Lola Ford | 4 | 1:31.732 |