13th Place Finish Ratio

until 1975 Rand Winter Trophy

Ignore Indy 500 races
Ignore non-championship races
Note: records involving non-championship races may be inaccurate due to incomplete data.

Finishing position:

Pos	Sponsor	13th Place Finish Ratio	13th Place Finishes	Entries
1	Pinch	25.00%	1	4
2	Copersucar	9.09%	1	11
3	Bang & Olufsen	5.88%	1	17
4	Embassy	5.19%	4	77
5	Eifelland Caravans	5.00%	2	40
6	Arexons	4.76%	1	21
7	Matchbox	4.17%	1	24
7	Pagnossin	4.17%	1	24
9	Lockheed	3.85%	3	78
10	Girling	3.57%	1	28
11	Fiat	3.33%	1	30
12	Visit Argentina	3.12%	1	32
13	Politoys	2.78%	1	36
14	STP	2.60%	4	154
15	Beta	2.56%	1	39
16	Duckhams	2.50%	2	80
17	Champion	2.22%	9	406
18	Esso	2.13%	2	94
19	Magneti Marelli	2.11%	2	95
20	Heuer	1.98%	4	202
21	Schmitthelm	1.96%	1	51
21	SKF	1.96%	1	51
23	John Player Special	1.82%	2	110
24	Argentine Meat	1.61%	1	62
	Bardahl	1.61%	1	62
	YPF	1.61%	1	62
27	Goodyear	1.57%	10	638
28	Brooke Bond Oxo	1.54%	1	65
29	Shell	1.47%	4	273
30	Agip	1.43%	1	70
31	Yardley	1.34%	2	149
32	Marlboro	1.32%	3	227
33	Motul	1.32%	1	76
34	UOP	1.28%	1	78
35	GKN	1.23%	1	81
36	BP	1.00%	1	100
37	Gold Leaf	0.94%	1	106
38	Firestone	0.94%	3	319
39	Ford	0.77%	2	259
40	Elf	0.76%	2	263
41	Ferodo	0.68%	1	146

Finishing position: