12th Place Finish Ratio

until 1974 Swedish 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	Andy Smallman	12.50%	2	16
4	Tony Robinson	6.90%	2	29
5	Gordon Murray	6.67%	4	60
6	Eric Broadley	5.71%	2	35
7	Mike Pilbeam	4.55%	4	88
8	Shahab Ahmed	3.92%	4	102
9	Peter Connew	3.81%	4	105
10	Geoffrey Taylor	3.33%	2	60
11	Geoff Ferris	3.14%	5	159
12	John Clarke	2.86%	1	35
13	Ralph Bellamy	2.73%	5	183
14	John Surtees	2.50%	4	160
15	Ernst Loof	2.41%	2	83
16	Wilhelm Hild	2.22%	3	135
16	Jo Marquart	2.22%	1	45
18	Tony Southgate	2.08%	6	288
	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	Mauro Forghieri	1.76%	5	284
26	Ron Tauranac	1.71%	11	645
27	Gerard Ducarouge	1.67%	2	120
28	Derrick White	1.57%	2	127
29	Gordon Coppuck	1.57%	3	191
30	Bernard Boyer	1.54%	2	130
31	Mike Oliver	1.53%	4	262
31	Rodney Clarke	1.53%	4	262
33	Robin Herd	1.41%	6	427
34	Colin Chapman	1.35%	20	1480
35	Alberto Massimino	1.31%	2	153
36	Tony Rudd	1.10%	3	272
37	Hans Mezger	0.99%	1	101
38	Peter Wright	0.98%	1	102
39	Reid Railton	0.96%	2	209
40	Dante Giacosa	0.88%	1	113
41	Helmut Bott	0.85%	1	117
42	Carlo Chiti	0.58%	1	173
43	Len Terry	0.53%	1	189
44	Aurelio Lampredi	0.45%	2	441
45	Gioacchino Colombo	0.41%	3	726
46	Vittorio Jano	0.38%	1	265
47	Vittorio Bellentani	0.32%	2	621
48	Maurice Philippe	0.27%	1	368
49	Am�d�e Gordini	0.26%	1	386

Finishing position: