13th Place Finish Ratio

until 1975 United States GP

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	Citizen	16.67%	1	6
3	Copersucar	6.67%	1	15
4	Bang & Olufsen	5.88%	1	17
5	Eifelland Caravans	5.00%	2	40
6	Polar	4.76%	1	21
7	Embassy	4.71%	4	85
8	Duckhams	4.30%	4	93
9	Pagnossin	4.17%	1	24
10	Lockheed	3.85%	3	78
10	Matchbox	3.85%	1	26
12	Girling	3.57%	1	28
13	Arexons	3.33%	1	30
13	Fiat	3.33%	1	30
15	Visit Argentina	3.12%	1	32
16	Politoys	2.78%	1	36
17	STP	2.60%	4	154
18	John Player Special	2.52%	3	119
19	Beta	2.27%	1	44
20	Esso	2.13%	2	94
21	Champion	2.05%	9	439
22	Magneti Marelli	1.92%	2	104
23	Heuer	1.90%	4	211
24	Schmitthelm	1.67%	1	60
24	SKF	1.67%	1	60
26	Argentine Meat	1.61%	1	62
	Bardahl	1.61%	1	62
	YPF	1.61%	1	62
29	Brooke Bond Oxo	1.54%	1	65
30	Shell	1.47%	4	273
31	Goodyear	1.43%	10	699
32	Yardley	1.34%	2	149
33	Motul	1.32%	1	76
34	Agip	1.27%	1	79
35	GKN	1.23%	1	81
36	Marlboro	1.22%	3	246
37	UOP	1.14%	1	88
38	BP	1.00%	1	100
39	Gold Leaf	0.94%	1	106
40	Firestone	0.94%	3	319
41	Ford	0.77%	2	259
42	Elf	0.73%	2	273
43	Ferodo	0.68%	1	146

Finishing position: