13th Place Finish Ratio

until 1973 French 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
3	Luigi Colani	11.11%	1	9
4	Mike Pilbeam	4.55%	2	44
5	Shoichi Sano	4.17%	2	48
5	Yoshio Nakamura	4.17%	2	48
7	Geoff Ferris	3.92%	6	153
8	Helmut Bott	3.42%	4	117
9	Eric Broadley	2.86%	1	35
10	Robin Herd	2.37%	9	380
11	Wilhelm Hild	2.22%	3	135
12	Alf Francis	2.08%	1	48
12	John Heath	2.08%	1	48
14	Hans Mezger	1.98%	2	101
15	Peter Wright	1.96%	2	102
16	Reid Railton	1.91%	4	209
17	Owen Maddock	1.90%	21	1106
18	Tony Rudd	1.84%	5	272
19	John Surtees	1.68%	2	119
20	Antonio Lago	1.68%	5	298
20	Carlo Marchetti	1.68%	5	298
22	Geoffrey Taylor	1.67%	1	60
23	Peter Berthon	1.56%	1	64
24	Tony Southgate	1.42%	3	211
25	Ernst Loof	1.20%	1	83
26	Mauro Forghieri	1.15%	3	262
	Mike Oliver	1.15%	3	262
	Rodney Clarke	1.15%	3	262
29	Ron Tauranac	1.10%	7	639
30	Frank Costin	1.04%	1	96
31	Shahab Ahmed	1.02%	1	98
32	Peter Connew	0.99%	1	101
33	Colin Chapman	0.98%	14	1434
34	Maurice Philippe	0.83%	3	360
34	Gerard Ducarouge	0.83%	1	120
36	Bernard Boyer	0.77%	1	130
37	Gordon Coppuck	0.70%	1	142
38	Ralph Bellamy	0.69%	1	144
39	Ernesto Maserati	0.68%	2	294
40	Aurelio Lampredi	0.45%	2	441
41	Gioacchino Colombo	0.41%	3	726
42	Vittorio Bellentani	0.32%	2	621
43	Am�d�e Gordini	0.26%	1	386

Finishing position: