| Date | Sunday 16 June 1985 |
| Start time | 14:00 |
| Event | Canadian GP |
| Circuit | Montréal |
| Event Format | Race of 70 laps |
| Championship | World Championship |
| Race number | #5 of 16 in 1985 #409 (of all time) |
| Laps | 70 |
| Circuit Perimeter | 4410 m |
| Race Distance | 4410 × 70 = 308.700 km |
| Grid Format | 2-2-2-2 (staggered) |
| Pole Position | Right |
| First Corner | Left |
| Track Direction | Clockwise |
| Weather | Cloudy, Fresh, Dry |
| Entries | 25 |
| Qualifiers | 25 |
| Finishers | 17 |
| Debutants | None |
| Milestones | Nélson Piquet – 100th Race Entry (Driver)
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| Records Broken |
1. Most 10th Place Finishes – Riccardo Patrese (8)
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| Records Extended |
1. Most Podium Finishes – Ferrari (308),
2. Most Drivers' Championship Points Scores – Ferrari (473),
3. Most Constructors' Championship Points Scores – Ferrari (341),
4. Most Race Wins – Ferrari (91),
5. Most 2nd Place Finishes – Ferrari (122),
6. Most 16th Place Finishes – Lotus (8),
7. Most Races Led – Ferrari (226),
8. Most Laps Led – Ferrari (6268),
9. Most Race Entries – Lotus (1022),
10. Most 3rd Place Qualifications – Ferrari (96),
11. Most 4th Place Qualifications – Ferrari (93)
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