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| Date | Sunday 20 October 1991 |
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| Start time | 14:00 |
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| Event |  Japanese GP |
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| Circuit | Suzuka |
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| Event Format | Race of 53 laps |
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| Championship | World Championship |
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| Race number | #15 of 16 in 1991
#515 (of all time) |
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| Laps | 53 |
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| Circuit Perimeter | 5864 m |
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| Race Distance | 5864 × 53 = 310.792 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 | Right |
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| Track Direction | Clockwise |
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| Weather | Sunny, Mild, Dry |
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| Entries | 32 |
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| Qualifiers | 26 |
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| Finishers | 11 |
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| Debutants |
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| Records Broken |
None
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| Records Extended |
1. Most Drivers' Championship Points Scores –  Ferrari (566),
2. Most Constructors' Championship Points Scores – Ferrari (434),
3. Most Retirements –  Lotus (537),
4. Most Constructors' Championship Points Scores –  Alain Prost (116),
5. Most Drivers' Championship Points Scores – Alain Prost (116),
6. Most 4th Place Finishes – Ferrari (103),
7. Most Races Led –  Ayrton Senna (72),
8. Most Laps Led – Ayrton Senna (2561),
9. Most Race Entries – Lotus (1234),
10. Most Race Entries – Riccardo Patrese (224),
11. Most Failures to Pre-Qualify – Coloni (52),
12. Most 3rd Place Qualifications – Nigel Mansell (28),
13. Most 4th Place Qualifications – Ferrari (121),
14. Most 4th Place Qualifications – Alain Prost (26),
15. Most 6th Place Qualifications – Ferrari (101),
16. Most 6th Place Qualifications in a Season – Ferrari (10),
17. Most 6th Place Qualifications in a Season – Jean Alesi (8)
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