12th 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	12th Place Finish Ratio	12th Place Finishes	Entries
1	Ernst Klodwig	50.00%	1	2
2	Valerio Colotti	20.00%	1	5
3	Tony Robinson	6.90%	2	29
4	Eric Broadley	6.06%	2	33
5	Geoffrey Taylor	3.33%	2	60
6	Ernst Loof	2.41%	2	83
7	Wilhelm Hild	2.22%	3	135
8	Owen Maddock	2.09%	23	1101
9	Alf Francis	2.08%	1	48
9	John Heath	2.08%	1	48
11	Antonio Lago	2.01%	6	298
11	Carlo Marchetti	2.01%	6	298
13	Ron Tauranac	1.86%	6	322
14	Colin Chapman	1.69%	18	1067
15	Mike Oliver	1.53%	4	262
15	Rodney Clarke	1.53%	4	262
17	Alberto Massimino	1.31%	2	153
18	Tony Rudd	1.15%	3	261
19	Hans Mezger	0.99%	1	101
20	Reid Railton	0.96%	2	209
21	Mauro Forghieri	0.93%	1	108
22	Dante Giacosa	0.88%	1	113
23	Helmut Bott	0.85%	1	117
24	Carlo Chiti	0.58%	1	173
25	Aurelio Lampredi	0.45%	2	441
26	Gioacchino Colombo	0.41%	3	726
27	Vittorio Jano	0.38%	1	265
28	Vittorio Bellentani	0.32%	2	621
29	Am�d�e Gordini	0.26%	1	386

Finishing position: