12th Place Finish Ratio

until 1975 Brazilian GP

Include 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	Andy Smallman	13.89%	5	36
4	Tony Robinson	6.90%	2	29
5	Gordon Murray	6.25%	6	96
6	Eric Broadley	5.71%	2	35
7	Mike Pilbeam	4.55%	5	110
8	Shahab Ahmed	3.92%	4	102
9	Peter Connew	3.81%	4	105
10	Geoff Ferris	3.66%	6	164
11	Geoffrey Taylor	3.33%	2	60
12	Dave Wass	2.63%	2	76
13	Tony Southgate	2.56%	8	312
14	Ernst Loof	2.41%	2	83
15	Ralph Bellamy	2.27%	5	220
16	Wilhelm Hild	2.22%	3	135
16	Jo Marquart	2.22%	1	45
18	John Surtees	2.20%	4	182
19	Frank Costin	2.08%	2	96
	Alf Francis	2.08%	1	48
	John Heath	2.08%	1	48
22	Owen Maddock	2.08%	23	1106
23	Antonio Lago	2.01%	6	298
23	Carlo Marchetti	2.01%	6	298
25	John Clarke	1.82%	1	55
26	Ron Tauranac	1.68%	11	656
27	Gerard Ducarouge	1.67%	2	120
28	Mauro Forghieri	1.64%	5	304
29	Derrick White	1.57%	2	127
30	Bernard Boyer	1.54%	2	130
31	Mike Oliver	1.53%	4	262
31	Rodney Clarke	1.53%	4	262
33	Robin Herd	1.34%	6	447
34	Gordon Coppuck	1.32%	3	227
35	Colin Chapman	1.31%	20	1525
36	Alberto Massimino	1.31%	2	153
37	Tony Rudd	1.10%	3	272
38	Hans Mezger	0.99%	1	101
39	Peter Wright	0.98%	1	102
40	Reid Railton	0.96%	2	209
41	Dante Giacosa	0.88%	1	113
42	Helmut Bott	0.85%	1	117
43	Carlo Chiti	0.58%	1	173
44	Len Terry	0.53%	1	189
45	Aurelio Lampredi	0.45%	2	440
46	Gioacchino Colombo	0.41%	3	726
47	Vittorio Jano	0.38%	1	265
48	Vittorio Bellentani	0.32%	2	621
49	Maurice Philippe	0.26%	1	380
50	Am�d�e Gordini	0.26%	1	386

Finishing position: