Retirement Ratio

1978 Argentine GP
1987 Japanese GP

until 1977 Japanese 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
	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
7	Gianpaolo Dallara	75.00%	9	12
8	David North	71.43%	15	21
8	David Hodkin	71.43%	5	7
10	Michel Tetu	70.00%	7	10
11	François Castaing	69.23%	27	39
11	Marcel Hubert	69.23%	27	39
13	André de Cortanze	68.97%	20	29
14	Arialdo Ruggieri	68.75%	11	16
15	Fred Wilkinson	66.67%	4	6
15	Alan Phillips	66.67%	2	3
17	Gianfranco Pederzani	60.00%	6	10
	Luciano Pederzani	60.00%	6	10
	Ray Jessop	60.00%	3	5
20	Ray Stokoe	59.26%	16	27
21	Ernst Loof	57.83%	48	83
22	Eric Broadley	57.14%	20	35
23	Shoichi Sano	56.25%	27	48
23	Yoshio Nakamura	56.25%	27	48
25	Alex von Falkenhausen	55.56%	5	9
26	Frank Costin	52.08%	50	96
	Alf Francis	52.08%	25	48
	John Heath	52.08%	25	48
29	Peter Berthon	51.56%	33	64
30	John Clarke	51.39%	37	72
31	Derrick White	51.18%	65	127
32	Len Terry	51.01%	101	198
33	Doug Serrurier	50.00%	4	8
	Alan McCall	50.00%	1	2
	Hans Klenk	50.00%	1	2
	Peter Wyss	50.00%	1	2
37	Amédée Gordini	49.74%	192	386
38	Tony Robinson	48.28%	14	29
39	Arturo Merzario	47.62%	10	21
40	Geoff Aldridge	47.13%	41	87
41	Ted Cutting	46.67%	7	15
42	Mike Pilbeam	46.09%	59	128
43	Alberto Massimino	45.10%	69	153
44	Harvey Postlethwaite	44.37%	67	151
45	Gordon Murray	44.03%	118	268
46	Martin Ogilvie	43.71%	66	151
47	Neil Oatley	43.24%	16	37
47	Patrick Head	43.24%	16	37
49	Gordon Fowell	42.86%	3	7
50	Ernesto Maserati	42.52%	125	294
51	Dave Wass	42.32%	102	241
52	Jo Marquart	42.22%	19	45
53	Robin Herd	42.16%	277	657
54	Dave Baldwin	42.15%	51	121
55	Tony Southgate	42.00%	218	519
56	Peter Wright	41.74%	91	218
57	Bill Aston	41.18%	7	17
58	John Baldwin	40.78%	42	103
59	Len Bailey	40.00%	6	15
	Giocomo Caliri	40.00%	4	10
	Paul Greifzu	40.00%	2	5
62	Dante Giacosa	39.82%	45	113
63	Vittorio Bellentani	39.77%	247	621
64	Geoff Ferris	39.27%	86	219
65	Paul Emery	37.84%	14	37
66	Colin Chapman	37.33%	644	1725
67	Michel Beaujon	37.14%	26	70
	Robert Choulet	37.14%	26	70
	Giacomo Caliri	37.14%	13	35
70	Tony Rudd	37.13%	101	272
71	Ralph Bellamy	36.89%	121	328
72	Maurice Philippe	36.62%	167	456
73	Reid Railton	36.36%	76	209
74	Eddie Strait	36.25%	29	80
75	Antonio Lago	36.24%	108	298
75	Carlo Marchetti	36.24%	108	298
77	Vittorio Jano	35.85%	95	265
78	John Surtees	35.73%	124	347
79	H J Adlington	35.71%	5	14
80	Ron Tauranac	35.62%	239	671
81	Geoffrey Taylor	35.00%	21	60
82	Frank Dernie	34.69%	17	49
83	Peter Connew	34.51%	39	113
84	Gioacchino Colombo	34.30%	249	726
85	Shahab Ahmed	33.62%	39	116
86	Hans Gassmann	33.33%	14	42
	Hans Scherrenberg	33.33%	14	42
	Ludwig Krause	33.33%	14	42
	Morris Nunn	33.33%	11	33
	Luigi Colani	33.33%	3	9
	Guglielmo Bellasi	33.33%	2	6
92	Mike Oliver	33.21%	87	262
92	Rodney Clarke	33.21%	87	262
94	Richard Divila	32.56%	14	43
95	Owen Maddock	32.10%	355	1106
96	Gordon Coppuck	32.04%	140	437
97	Carlo Chiti	32.00%	56	175
98	Gerard Ducarouge	31.58%	60	190
99	Ken Sears	30.94%	43	139
100	Derek Gardner	30.86%	83	269
101	Mauro Forghieri	30.67%	138	450
102	John Gentry	30.23%	13	43
103	Nigel Stroud	29.73%	11	37
104	Aurelio Lampredi	29.71%	131	441
105	Andy Smallman	29.51%	18	61
106	Ferdinand Porsche	29.41%	5	17
107	Bernard Boyer	28.46%	37	130
108	Bindo Maserati	27.59%	8	29
108	Ettore Maserati	27.59%	8	29
110	Jack Brabham	25.00%	1	4
	Martin Walters	25.00%	1	4
	Tom Boyce	25.00%	1	4
113	Martin Slater	20.00%	1	5
113	Valerio Colotti	20.00%	1	5
115	Helmut Bott	13.68%	16	117
116	Wilhelm Hild	13.33%	18	135
117	Renato Martini	12.50%	1	8
117	Rudolf Krause	12.50%	1	8
119	Hans Mezger	11.88%	12	101
120	Masao Ono	8.33%	1	12

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