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| Date | Sunday 3 November 1991 |
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| Start time | 14:00 |
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| Event | Australian GP |
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| Circuit | Adelaide |
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| Event Format | Race of 14 laps |
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| Race | 16 of 16 |
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| Championship race | 516 |
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| Half points | Yes |
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| Laps | 14 |
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| Circuit Perimeter | 3780 m |
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| Race Distance | 3780 × 14 = 52.920 km |
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| Grid Format | 2-2-2-2 (staggered) |
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| Pole Position | Left |
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| First Corner | Left |
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| Track Direction | Clockwise |
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| Weather | Overcast, Mild, Rain |
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| Entries | 32 |
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| Qualifiers | 26 |
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| Finishers | 20 |
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| Championship Debutants | None |
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| Milestones | Alex Caffi - 75th Race Entry (Driver)
Gianni Morbidelli - 20th Race Entry (Driver)
Lola - 250th Race Entry (Car Manufacturer)
Pierluigi Martini - 75th Race Entry (Driver)
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| Records Broken |
1. Highest 20th Place Finish Ratio –  Karl Wendlinger (50.00%)
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| Records Extended |
1. Most Drivers' Championship Points Scores – Ferrari (567),
2. Most Constructors' Championship Points Scores – Ferrari (435),
3. Most 4th Place Finishes –  Nélson Piquet (18),
4. Most 6th Place Finishes – Ferrari (60),
5. Most 11th Place Finishes – Lotus (30),
6. Most Races Led – Ayrton Senna (73),
7. Most Laps Led – Ayrton Senna (2575),
8. Most Race Entries – Lotus (1236),
9. Most Race Entries –  Riccardo Patrese (225),
10. Most Failures to Pre-Qualify – Coloni (53),
11. Most Failures to Pre-Qualify – Gabriele Tarquini (25),
12. Most Poles – Ayrton Senna (60),
13. Most 3rd Place Qualifications –  Nigel Mansell (29),
14. Most 7th Place Qualifications – Ferrari (74),
15. Most 8th Place Qualifications – Ferrari (69)
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