13th Place Finish Ratio

until 1967 Canadian 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	14.29%	1	7
3	Shoichi Sano	6.67%	2	30
3	Yoshio Nakamura	6.67%	2	30
5	Helmut Bott	3.42%	4	117
6	Eric Broadley	3.03%	1	33
7	Wilhelm Hild	2.22%	3	135
8	Alf Francis	2.08%	1	48
8	John Heath	2.08%	1	48
10	Hans Mezger	1.98%	2	101
11	Tony Rudd	1.92%	5	261
12	Reid Railton	1.91%	4	209
13	Owen Maddock	1.91%	21	1101
14	Ron Tauranac	1.86%	6	322
15	Antonio Lago	1.68%	5	298
15	Carlo Marchetti	1.68%	5	298
17	Geoffrey Taylor	1.67%	1	60
18	Peter Berthon	1.56%	1	64
19	Ernst Loof	1.20%	1	83
20	Mike Oliver	1.15%	3	262
20	Rodney Clarke	1.15%	3	262
22	Colin Chapman	1.03%	11	1067
23	Ernesto Maserati	0.68%	2	294
24	Aurelio Lampredi	0.45%	2	441
25	Gioacchino Colombo	0.41%	3	726
26	Vittorio Bellentani	0.32%	2	621
27	Am�d�e Gordini	0.26%	1	386

Finishing position: