13th Place Finish Ratio

until 1974 Brazilian 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	Designer	13th Place Finish Ratio	13th Place Finishes	Entries
1	Fred Wilkinson	16.67%	1	6
2	Doug Serrurier	12.50%	1	8
2	Morris Nunn	12.50%	1	8
4	Luigi Colani	11.11%	1	9
5	Dave Wass	4.44%	2	45
6	Mike Pilbeam	4.23%	3	71
7	Shoichi Sano	4.17%	2	48
7	Yoshio Nakamura	4.17%	2	48
9	Geoff Ferris	3.82%	6	157
10	Helmut Bott	3.42%	4	117
11	Eric Broadley	2.86%	1	35
12	Tony Southgate	2.27%	6	264
13	Wilhelm Hild	2.22%	3	135
14	Robin Herd	2.18%	9	412
15	Alf Francis	2.08%	1	48
15	John Heath	2.08%	1	48
17	Hans Mezger	1.98%	2	101
18	Peter Wright	1.96%	2	102
19	Reid Railton	1.91%	4	209
20	Owen Maddock	1.90%	21	1106
21	Tony Rudd	1.84%	5	272
22	Antonio Lago	1.68%	5	298
22	Carlo Marchetti	1.68%	5	298
24	Geoffrey Taylor	1.67%	1	60
25	Peter Berthon	1.56%	1	64
26	John Surtees	1.39%	2	144
27	Ralph Bellamy	1.23%	2	163
28	Gordon Coppuck	1.20%	2	166
28	Ernst Loof	1.20%	1	83
30	Mike Oliver	1.15%	3	262
30	Rodney Clarke	1.15%	3	262
32	Mauro Forghieri	1.10%	3	272
33	Ron Tauranac	1.10%	7	639
34	Frank Costin	1.04%	1	96
35	Colin Chapman	1.03%	15	1457
36	Shahab Ahmed	0.98%	1	102
37	Peter Connew	0.95%	1	105
38	Derek Gardner	0.85%	1	118
39	Gerard Ducarouge	0.83%	1	120
40	Maurice Philippe	0.82%	3	365
41	Bernard Boyer	0.77%	1	130
42	Ernesto Maserati	0.68%	2	294
43	Aurelio Lampredi	0.45%	2	441
44	Gioacchino Colombo	0.41%	3	726
45	Vittorio Bellentani	0.32%	2	621
46	Am�d�e Gordini	0.26%	1	386

Finishing position: