| Date | Sunday 12 June 1966 |
| Start time | 14:00 |
| Event | Belgian GP |
| Circuit | Spa-Francorchamps |
| Event Format | Race of 28 laps |
| Championship | World Championship |
| Race number | #2 of 9 in 1966 #143 (of all time) |
| Laps | 28 |
| Circuit Perimeter | 14100 m |
| Race Distance | 14100 × 28 = 394.800 km |
| Grid Format | 3-2-3-2 |
| Pole Position | Left |
| First Corner | Right |
| Track Direction | Clockwise |
| Weather | Wet |
| Entries | 18 |
| Qualifiers | 18 |
| Finishers | 5 |
| Debutants |
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| Milestones | Richie Ginther – 50th Race Entry (Driver)
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| Records Broken |
1. Most Constructors' Championship Points Scores – Cooper (103)
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| Records Extended |
1. Most Podium Finishes – Ferrari (160),
2. Most Drivers' Championship Points Scores – Ferrari (235),
3. Most Race Wins – Ferrari (41),
4. Most 3rd Place Finishes – Ferrari (52),
5. Most 4th Place Finishes – Jack Brabham (11),
6. Most Fastest Laps – Ferrari (43),
7. Most Races Led – Ferrari (103),
8. Most Laps Led – Ferrari (2551),
9. Most Race Entries – Ferrari (477),
10. Most Perfect Weekends – Ferrari (24),
11. Most Poles – Ferrari (42),
12. Most 5th Place Qualifications – Ferrari (47),
13. Most 12th Place Qualifications – Cooper (25),
14. Most 14th Place Qualifications – Cooper (24)
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