Retirement Ratio

1974 Emilio Medici GP
1974 South African GP
1975 Brazilian GP

until 1974 Brazilian GP

Ignore Indy 500 races
Ignore non-championship races
Note: records involving non-championship races may be inaccurate due to incomplete data.

Finishing position:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ret dsq dpts cpts

Pos	Designer	Retirement Ratio	Retirements	Entries
1	Claude Hill	100.00%	2	2
	Dave Baldwin	100.00%	2	2
	Bernd Nacke	100.00%	1	1
	Frank Kurtis	100.00%	1	1
	Hugh Aiden-Jones	100.00%	1	1
	Marcel Balsa	100.00%	1	1
	Walter Gerstenberg	100.00%	1	1
8	Gianpaolo Dallara	75.00%	9	12
9	David Hodkin	71.43%	5	7
10	Arialdo Ruggieri	68.75%	11	16
11	Fred Wilkinson	66.67%	4	6
	Alan Phillips	66.67%	2	3
	Gordon Fowell	66.67%	2	3
14	Len Bailey	62.50%	5	8
14	Morris Nunn	62.50%	5	8
16	Gianfranco Pederzani	60.00%	6	10
16	Luciano Pederzani	60.00%	6	10
18	Ernst Loof	57.83%	48	83
19	Eric Broadley	57.14%	20	35
20	Shoichi Sano	56.25%	27	48
20	Yoshio Nakamura	56.25%	27	48
22	Alex von Falkenhausen	55.56%	5	9
23	Dave Wass	53.33%	24	45
24	Len Terry	52.91%	100	189
25	Frank Costin	52.08%	50	96
	Alf Francis	52.08%	25	48
	John Heath	52.08%	25	48
28	Peter Berthon	51.56%	33	64
29	Derrick White	51.18%	65	127
30	Doug Serrurier	50.00%	4	8
	Andy Smallman	50.00%	2	4
	Alan McCall	50.00%	1	2
	Hans Klenk	50.00%	1	2
	Peter Wyss	50.00%	1	2
35	Am�d�e Gordini	49.74%	192	386
36	Tony Robinson	48.28%	14	29
37	Gordon Murray	47.37%	18	38
38	Ted Cutting	46.67%	7	15
39	John Clarke	46.15%	12	26
40	Alberto Massimino	45.10%	69	153
41	Tony Southgate	44.32%	117	264
42	John Surtees	43.75%	63	144
43	Ernesto Maserati	42.52%	125	294
44	Robin Herd	42.48%	175	412
45	Mike Pilbeam	42.25%	30	71
46	Jo Marquart	42.22%	19	45
47	Peter Wright	42.16%	43	102
48	Geoff Ferris	41.40%	65	157
49	Bill Aston	41.18%	7	17
50	Paul Greifzu	40.00%	2	5
51	Dante Giacosa	39.82%	45	113
52	Vittorio Bellentani	39.77%	247	621
53	Paul Emery	37.84%	14	37
54	Tony Rudd	37.13%	101	272
55	Maurice Philippe	36.99%	135	365
56	Colin Chapman	36.86%	537	1457
57	Reid Railton	36.36%	76	209
58	Eddie Strait	36.25%	29	80
59	Antonio Lago	36.24%	108	298
59	Carlo Marchetti	36.24%	108	298
61	Ron Tauranac	36.15%	231	639
62	Vittorio Jano	35.85%	95	265
63	H J Adlington	35.71%	5	14
64	Shahab Ahmed	35.29%	36	102
65	Peter Connew	35.24%	37	105
66	Geoffrey Taylor	35.00%	21	60
67	Ralph Bellamy	34.97%	57	163
68	Mauro Forghieri	34.93%	95	272
69	Gioacchino Colombo	34.30%	249	726
70	Gordon Coppuck	33.73%	56	166
71	Hans Gassmann	33.33%	14	42
	Hans Scherrenberg	33.33%	14	42
	Ludwig Krause	33.33%	14	42
	Luigi Colani	33.33%	3	9
	Guglielmo Bellasi	33.33%	2	6
76	Mike Oliver	33.21%	87	262
76	Rodney Clarke	33.21%	87	262
78	Owen Maddock	32.10%	355	1106
79	Carlo Chiti	31.79%	55	173
80	Aurelio Lampredi	29.71%	131	441
81	Ferdinand Porsche	29.41%	5	17
82	Bernard Boyer	28.46%	37	130
83	Gerard Ducarouge	28.33%	34	120
84	Derek Gardner	27.97%	33	118
85	Bindo Maserati	27.59%	8	29
85	Ettore Maserati	27.59%	8	29
87	Jack Brabham	25.00%	1	4
88	Valerio Colotti	20.00%	1	5
89	Helmut Bott	13.68%	16	117
90	Wilhelm Hild	13.33%	18	135
91	Rudolf Krause	12.50%	1	8
92	Hans Mezger	11.88%	12	101

Finishing position:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ret dsq dpts cpts