13th Place Finish Ratio

until 1977 Snetterton Group 8 Race

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 Industry	13th Place Finish Ratio	13th Place Finishes	Entries
1	Vehicle hire	16.67%	1	6
2	Coatings	14.29%	1	7
2	Motor racing	14.29%	1	7
4	Refrigeration	9.09%	1	11
5	Safety systems	8.33%	3	36
6	Sugar	6.67%	5	75
7	Clothing	6.25%	1	16
8	Car care	5.88%	1	17
8	Electronics	5.88%	1	17
10	Caravan manufacture	4.92%	3	61
11	Ceramics	4.17%	1	24
12	Airline	3.81%	4	105
13	Car parts	3.70%	2	54
13	Publishing	3.70%	1	27
15	Toys	3.23%	2	62
16	Contraception	2.86%	1	35
17	Tourism	2.70%	1	37
18	Tools	2.54%	3	118
19	Finance	2.40%	3	125
20	Watches	1.82%	8	439
21	Steering wheel	1.77%	2	113
22	Spark plugs	1.75%	17	969
23	Drinks	1.54%	1	65
24	Tobacco	1.53%	19	1240
25	Motor industry	1.49%	4	268
26	Oil	1.40%	38	2708
27	Tyres	1.36%	28	2054
28	Toiletries	1.34%	2	149
29	Cleaning	1.33%	1	75
30	Nuts and bolts	1.23%	1	81
31	Food	0.89%	1	112
32	Car manufacture	0.77%	4	520
33	Brakes	0.74%	2	269
34	Alcohol	0.70%	2	287
35	Dampers	0.42%	1	239

Finishing position: