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| Date | Saturday 29 March 1975 |
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| Event |  Mercury 100 |
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| Circuit | Roy Hesketh |
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| Event Format | Race of 40 laps |
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| Championship | South African Championship |
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| Race number | #3 of 9 in 1975
#104 (of all time) |
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|
| Laps | 40 |
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| Circuit Perimeter | 2901 m |
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| Race Distance | 2901 × 40 = 116.040 km |
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| Grid Format | Unknown |
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| Pole Position | Unknown |
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| First Corner | Unknown |
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|
| Entries | 10 |
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| Qualifiers | 1 |
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| Finishers | 7 |
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| Debutants | None |
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