Published evidence
1991 Iceberg USA Grand Prix
A historical profile with source-linked evidence. Further research is in progress.
THE HISTORICAL RECORD
Profile & context
Event date: 10 Mar 1991
- Name
- 1991 Iceberg USA Grand Prix
PROVENANCE
Sources behind this page
F1DB
v2026.17.0 · races/501
Original reference ↗Historical source & scope
F1DB v2026.17.0 · CC BY 4.0. Normalisation, links and calculations by MotorPedia. Original source observations retained.
Source-reported facts are not independent historical confirmation. Missing times and points remain unknown; source-rounded points retain their published precision. Constructor, entrant and team identities are kept distinct.
Recorded qualifying format: TWO_SESSION
Grand Prix context
1991 Iceberg USA Grand Prix · Phoenix Street Circuit
Technical formula: Formula 1. World Championship membership is separate from technical regulations.
1991 Formula 1 World Championship · round 1
Race classification
| Position | Driver | Constructor | Recorded details | Points |
|---|---|---|---|---|
| 1 | Ayrton Senna | McLaren | 2:00:47.828 · 81 laps · honda | 10 |
| 2 | Alain Prost | Ferrari | 2:01:04.150 · 81 laps · ferrari | 6 |
| 3 | Nelson Piquet | Benetton | 2:01:05.204 · 81 laps · ford | 4 |
| 4 | Stefano Modena | Tyrrell | 2:01:13.237 · 81 laps · honda | 3 |
| 5 | Satoru Nakajima | Tyrrell | Time not recorded · 80 laps · honda | 2 |
| 6 | Aguri Suzuki | Lola | Time not recorded · 79 laps · ford | 1 |
| 7 | Nicola Larini | Modena | Time not recorded · 78 laps · lamborghini | Unknown / not applicable |
| 8 | Gabriele Tarquini | AGS | Time not recorded · 77 laps · ford | Unknown / not applicable |
| 9 | Pierluigi Martini | Minardi | Engine · Time not recorded · 75 laps · ferrari | Unknown / not applicable |
| 10 | Bertrand Gachot | Jordan | Engine · Time not recorded · 75 laps · ford | Unknown / not applicable |
| 11 | Martin Brundle | Brabham | Time not recorded · 73 laps · yamaha | Unknown / not applicable |
| 12 | Jean Alesi | Ferrari | Gearbox · Time not recorded · 72 laps · ferrari | Unknown / not applicable |
| DNF | Mika Häkkinen | Lotus | Engine · Time not recorded · 59 laps · judd | Unknown / not applicable |
| DNF | Riccardo Patrese | Williams | Gearbox · Time not recorded · 49 laps · renault | Unknown / not applicable |
| DNF | Roberto Moreno | Benetton | Collision · Time not recorded · 49 laps · ford | Unknown / not applicable |
| DNF | Michele Alboreto | Footwork | Engine · Time not recorded · 41 laps · porsche | Unknown / not applicable |
| DNF | Ivan Capelli | Leyton House | Gearbox · Time not recorded · 40 laps · ilmor | Unknown / not applicable |
| DNF | Thierry Boutsen | Ligier | Engine · Time not recorded · 40 laps · lamborghini | Unknown / not applicable |
| DNF | Gerhard Berger | McLaren | Fuel pump · Time not recorded · 36 laps · honda | Unknown / not applicable |
| DNF | Nigel Mansell | Williams | Gearbox · Time not recorded · 35 laps · renault | Unknown / not applicable |
| DNF | Maurício Gugelmin | Leyton House | Gearbox · Time not recorded · 34 laps · ilmor | Unknown / not applicable |
| DNF | Mark Blundell | Brabham | Spun off · Time not recorded · 32 laps · yamaha | Unknown / not applicable |
| DNF | Emanuele Pirro | Dallara | Gearbox · Time not recorded · 16 laps · judd | Unknown / not applicable |
| DNF | Gianni Morbidelli | Minardi | Gearbox · Time not recorded · 15 laps · ferrari | Unknown / not applicable |
| DNF | JJ Lehto | Dallara | Gearbox · Time not recorded · 12 laps · judd | Unknown / not applicable |
| DNF | Éric Bernard | Lola | Engine · Time not recorded · 4 laps · ford | Unknown / not applicable |
| DNQ | Érik Comas | Ligier | Time not recorded · lamborghini | Unknown / not applicable |
| DNQ | Alex Caffi | Footwork | Time not recorded · porsche | Unknown / not applicable |
| DNQ | Stefan Johansson | AGS | Time not recorded · ford | Unknown / not applicable |
| DNQ | Julian Bailey | Lotus | Time not recorded · judd | Unknown / not applicable |
| DNPQ | Andrea de Cesaris | Jordan | Time not recorded · ford | Unknown / not applicable |
| DNPQ | Pedro Chaves | Coloni | Time not recorded · ford | Unknown / not applicable |
| DNPQ | Olivier Grouillard | Fondmetal | Time not recorded · ford | Unknown / not applicable |
| DNPQ | Eric van de Poele | Modena | Time not recorded · lamborghini | Unknown / not applicable |
Qualifying
| Position | Driver | Constructor | Recorded details | Points |
|---|---|---|---|---|
| 1 | Ayrton Senna | McLaren | 1:21.434 · honda | |
| 2 | Alain Prost | Ferrari | 1:22.555 · ferrari | |
| 3 | Riccardo Patrese | Williams | 1:22.833 · renault | |
| 4 | Nigel Mansell | Williams | 1:23.218 · renault | |
| 5 | Nelson Piquet | Benetton | 1:23.384 · ford | |
| 6 | Jean Alesi | Ferrari | 1:23.519 · ferrari | |
| 7 | Gerhard Berger | McLaren | 1:23.742 · honda | |
| 8 | Roberto Moreno | Benetton | 1:23.881 · ford | |
| 9 | Emanuele Pirro | Dallara | 1:24.792 · judd | |
| 10 | JJ Lehto | Dallara | 1:24.891 · judd | |
| 11 | Stefano Modena | Tyrrell | 1:25.065 · honda | |
| 12 | Martin Brundle | Brabham | 1:25.385 · yamaha | |
| 13 | Mika Häkkinen | Lotus | 1:25.448 · judd | |
| 14 | Bertrand Gachot | Jordan | 1:25.701 · ford | |
| 15 | Pierluigi Martini | Minardi | 1:25.715 · ferrari | |
| 16 | Satoru Nakajima | Tyrrell | 1:25.752 · honda | |
| 17 | Nicola Larini | Modena | 1:25.791 · lamborghini | |
| 18 | Ivan Capelli | Leyton House | 1:26.121 · ilmor | |
| 19 | Éric Bernard | Lola | 1:26.425 · ford | |
| 20 | Thierry Boutsen | Ligier | 1:26.500 · lamborghini | |
| 21 | Aguri Suzuki | Lola | 1:26.548 · ford | |
| 22 | Gabriele Tarquini | AGS | 1:26.851 · ford | |
| 23 | Maurício Gugelmin | Leyton House | 1:26.865 · ilmor | |
| 24 | Mark Blundell | Brabham | 1:26.915 · yamaha | |
| 25 | Michele Alboreto | Footwork | 1:27.015 · porsche | |
| 26 | Gianni Morbidelli | Minardi | 1:27.042 · ferrari | |
| 27 | Érik Comas | Ligier | 1:27.159 · lamborghini | |
| 28 | Alex Caffi | Footwork | 1:27.519 · porsche | |
| 29 | Stefan Johansson | AGS | 1:27.753 · ford | |
| 30 | Julian Bailey | Lotus | 1:28.570 · judd |
Starting grid
| Position | Driver | Constructor | Recorded details | Points |
|---|---|---|---|---|
| 1 | Ayrton Senna | McLaren | 1:21.434 · honda | |
| 2 | Alain Prost | Ferrari | 1:22.555 · ferrari | |
| 3 | Riccardo Patrese | Williams | 1:22.833 · renault | |
| 4 | Nigel Mansell | Williams | 1:23.218 · renault | |
| 5 | Nelson Piquet | Benetton | 1:23.384 · ford | |
| 6 | Jean Alesi | Ferrari | 1:23.519 · ferrari | |
| 7 | Gerhard Berger | McLaren | 1:23.742 · honda | |
| 8 | Roberto Moreno | Benetton | 1:23.881 · ford | |
| 9 | Emanuele Pirro | Dallara | 1:24.792 · judd | |
| 10 | JJ Lehto | Dallara | 1:24.891 · judd | |
| 11 | Stefano Modena | Tyrrell | 1:25.065 · honda | |
| 12 | Martin Brundle | Brabham | 1:25.385 · yamaha | |
| 13 | Mika Häkkinen | Lotus | 1:25.448 · judd | |
| 14 | Bertrand Gachot | Jordan | 1:25.701 · ford | |
| 15 | Pierluigi Martini | Minardi | 1:25.715 · ferrari | |
| 16 | Satoru Nakajima | Tyrrell | 1:25.752 · honda | |
| 17 | Nicola Larini | Modena | 1:25.791 · lamborghini | |
| 18 | Ivan Capelli | Leyton House | 1:26.121 · ilmor | |
| 19 | Éric Bernard | Lola | 1:26.425 · ford | |
| 20 | Thierry Boutsen | Ligier | 1:26.500 · lamborghini | |
| 21 | Aguri Suzuki | Lola | 1:26.548 · ford | |
| 22 | Gabriele Tarquini | AGS | 1:26.851 · ford | |
| 23 | Maurício Gugelmin | Leyton House | 1:26.865 · ilmor | |
| 24 | Mark Blundell | Brabham | 1:26.915 · yamaha | |
| 25 | Michele Alboreto | Footwork | 1:27.015 · porsche | |
| 26 | Gianni Morbidelli | Minardi | 1:27.042 · ferrari |
Championship progression
| Position | Driver | Constructor | Recorded details | Points |
|---|---|---|---|---|
| 1 | Ayrton Senna | Not applicable / not recorded | Time not recorded | 10 |
| 2 | Alain Prost | Not applicable / not recorded | Time not recorded | 6 |
| 3 | Nelson Piquet | Not applicable / not recorded | Time not recorded | 4 |
| 4 | Stefano Modena | Not applicable / not recorded | Time not recorded | 3 |
| 5 | Satoru Nakajima | Not applicable / not recorded | Time not recorded | 2 |
| 6 | Aguri Suzuki | Not applicable / not recorded | Time not recorded | 1 |
Practice & warm-up observations
Original F1DB session observations; bounded to 120 rows. Missing times remain unknown. Not qualifying or race classifications.
| Session | Driver | Position | Time |
|---|---|---|---|
| freePractice1Results | Ayrton Senna | 1 | 1:23.525 |
| freePractice1Results | Alain Prost | 2 | 1:24.492 |
| freePractice1Results | Nigel Mansell | 3 | 1:25.050 |
| freePractice1Results | Jean Alesi | 4 | 1:25.278 |
| freePractice1Results | Roberto Moreno | 5 | 1:25.414 |
| freePractice1Results | Nelson Piquet | 6 | 1:25.695 |
| freePractice1Results | Stefano Modena | 7 | 1:25.736 |
| freePractice1Results | Riccardo Patrese | 8 | 1:25.882 |
| freePractice1Results | Gerhard Berger | 9 | 1:25.966 |
| freePractice1Results | Emanuele Pirro | 10 | 1:26.072 |
| freePractice1Results | JJ Lehto | 11 | 1:26.692 |
| freePractice1Results | Satoru Nakajima | 12 | 1:26.867 |
| freePractice1Results | Éric Bernard | 13 | 1:27.285 |
| freePractice1Results | Bertrand Gachot | 14 | 1:27.387 |
| freePractice1Results | Pierluigi Martini | 15 | 1:27.693 |
| freePractice1Results | Martin Brundle | 16 | 1:28.273 |
| freePractice1Results | Mika Häkkinen | 17 | 1:28.394 |
| freePractice1Results | Mark Blundell | 18 | 1:29.041 |
| freePractice1Results | Gabriele Tarquini | 19 | 1:29.275 |
| freePractice1Results | Stefan Johansson | 20 | 1:29.382 |
| freePractice1Results | Nicola Larini | 21 | 1:29.384 |
| freePractice1Results | Aguri Suzuki | 22 | 1:29.582 |
| freePractice1Results | Michele Alboreto | 23 | 1:29.889 |
| freePractice1Results | Alex Caffi | 24 | 1:30.097 |
| freePractice1Results | Thierry Boutsen | 25 | 1:30.277 |
| freePractice1Results | Maurício Gugelmin | 26 | 1:30.646 |
| freePractice1Results | Érik Comas | 27 | 1:31.781 |
| freePractice1Results | Gianni Morbidelli | 28 | 1:34.472 |
| freePractice1Results | Julian Bailey | 29 | 1:34.869 |
| freePractice1Results | Ivan Capelli | 30 | 1:54.228 |
| freePractice2Results | Riccardo Patrese | 1 | 1:24.066 |
| freePractice2Results | Gerhard Berger | 2 | 1:24.158 |
| freePractice2Results | Ayrton Senna | 3 | 1:24.214 |
| freePractice2Results | Alain Prost | 4 | 1:24.281 |
| freePractice2Results | Stefano Modena | 5 | 1:24.917 |
| freePractice2Results | Bertrand Gachot | 6 | 1:24.974 |
| freePractice2Results | Nigel Mansell | 7 | 1:25.180 |
| freePractice2Results | Roberto Moreno | 8 | 1:25.349 |
| freePractice2Results | Jean Alesi | 9 | 1:25.497 |
| freePractice2Results | Martin Brundle | 10 | 1:25.559 |
| freePractice2Results | Ivan Capelli | 11 | 1:25.714 |
| freePractice2Results | Éric Bernard | 12 | 1:25.750 |
| freePractice2Results | Nelson Piquet | 13 | 1:25.796 |
| freePractice2Results | JJ Lehto | 14 | 1:25.859 |
| freePractice2Results | Nicola Larini | 15 | 1:26.061 |
| freePractice2Results | Satoru Nakajima | 16 | 1:26.513 |
| freePractice2Results | Gabriele Tarquini | 17 | 1:27.250 |
| freePractice2Results | Mika Häkkinen | 18 | 1:27.320 |
| freePractice2Results | Mark Blundell | 19 | 1:27.553 |
| freePractice2Results | Emanuele Pirro | 20 | 1:27.615 |
| freePractice2Results | Alex Caffi | 21 | 1:27.633 |
| freePractice2Results | Érik Comas | 22 | 1:27.659 |
| freePractice2Results | Gianni Morbidelli | 23 | 1:27.950 |
| freePractice2Results | Maurício Gugelmin | 24 | 1:27.969 |
| freePractice2Results | Pierluigi Martini | 25 | 1:27.989 |
| freePractice2Results | Michele Alboreto | 26 | 1:28.616 |
| freePractice2Results | Thierry Boutsen | 27 | 1:28.997 |
| freePractice2Results | Stefan Johansson | 28 | 1:29.938 |
| freePractice2Results | Julian Bailey | 29 | 1:30.304 |
| freePractice2Results | Aguri Suzuki | 30 | 1:32.302 |
| warmingUpResults | Ayrton Senna | 1 | 1:27.747 |
| warmingUpResults | Nigel Mansell | 2 | 1:28.104 |
| warmingUpResults | Riccardo Patrese | 3 | 1:28.351 |
| warmingUpResults | Stefano Modena | 4 | 1:28.570 |
| warmingUpResults | Gerhard Berger | 5 | 1:28.781 |
| warmingUpResults | Roberto Moreno | 6 | 1:29.062 |
| warmingUpResults | Alain Prost | 7 | 1:29.332 |
| warmingUpResults | Jean Alesi | 8 | 1:29.361 |
| warmingUpResults | Nelson Piquet | 9 | 1:29.873 |
| warmingUpResults | Martin Brundle | 10 | 1:30.383 |
| warmingUpResults | Emanuele Pirro | 11 | 1:30.412 |
| warmingUpResults | Bertrand Gachot | 12 | 1:30.417 |
| warmingUpResults | Aguri Suzuki | 13 | 1:30.504 |
| warmingUpResults | Thierry Boutsen | 14 | 1:30.852 |
| warmingUpResults | Satoru Nakajima | 15 | 1:31.009 |
| warmingUpResults | Maurício Gugelmin | 16 | 1:31.391 |
| warmingUpResults | Éric Bernard | 17 | 1:31.724 |
| warmingUpResults | Mark Blundell | 18 | 1:32.163 |
| warmingUpResults | Michele Alboreto | 19 | 1:32.237 |
| warmingUpResults | Mika Häkkinen | 20 | 1:32.378 |
| warmingUpResults | JJ Lehto | 21 | 1:32.541 |
| warmingUpResults | Gabriele Tarquini | 22 | 1:32.595 |
| warmingUpResults | Ivan Capelli | 23 | 1:33.573 |
| warmingUpResults | Nicola Larini | 24 | 1:34.638 |
| warmingUpResults | Gianni Morbidelli | 25 | 1:35.475 |