Retirement Ratio

1984 Belgian GP
1985 South African GP

until 1984 South African 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
	Sergio Rinland	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	André de Cortanze	67.74%	21	31
12	Jean-Pierre Jabouille	66.67%	12	18
	Fred Wilkinson	66.67%	4	6
	Alan Phillips	66.67%	2	3
15	Mario Tolentino	60.94%	39	64
16	François Castaing	60.28%	85	141
16	Marcel Hubert	60.28%	85	141
18	Gianfranco Pederzani	60.00%	6	10
	Luciano Pederzani	60.00%	6	10
	Ray Jessop	60.00%	3	5
21	Ray Stokoe	59.26%	16	27
22	Giorgio Stirano	58.33%	7	12
23	Ernst Loof	57.83%	48	83
24	Eric Broadley	57.14%	20	35
25	Shoichi Sano	56.25%	27	48
25	Yoshio Nakamura	56.25%	27	48
27	Alex von Falkenhausen	55.56%	5	9
28	David North	54.78%	86	157
29	Michel Tetu	53.19%	75	141
30	Frank Costin	52.08%	50	96
	Alf Francis	52.08%	25	48
	John Heath	52.08%	25	48
33	Peter Berthon	51.56%	33	64
34	Claude Gallopin	51.43%	18	35
34	Henri Durand	51.43%	18	35
36	John Clarke	51.39%	37	72
37	Derrick White	51.18%	65	127
38	Len Terry	51.01%	101	198
39	Antonio Tomaini	50.00%	15	30
	Doug Serrurier	50.00%	4	8
	Luigi Marmiroli	50.00%	2	4
	Alan McCall	50.00%	1	2
	Giuseppe Petrotta	50.00%	1	2
	Hans Klenk	50.00%	1	2
	Peter Wyss	50.00%	1	2
	Stefan Fober	50.00%	1	2
47	Amédée Gordini	49.74%	192	386
48	Robert Choulet	49.71%	86	173
49	Michel Beaujon	48.29%	99	205
50	Tony Robinson	48.28%	14	29
51	Geoff Aldridge	48.00%	48	100
52	Herve Guilpin	47.73%	21	44
53	Arturo Merzario	47.62%	10	21
54	Martin Ogilvie	47.26%	138	292
55	Gustav Brunner	47.22%	17	36
56	Gordon Murray	46.78%	189	404
57	Ted Cutting	46.67%	7	15
58	Mike Pilbeam	46.09%	59	128
59	Nigel Bennett	45.45%	35	77
60	Alberto Massimino	45.10%	69	153
61	Tim Wadrop	44.44%	28	63
62	Len Bailey	43.75%	7	16
63	Peter Wright	43.24%	128	296
64	Gerard Ducarouge	43.14%	151	350
65	Rory Byrne	43.02%	37	86
66	John Baldwin	42.86%	54	126
66	Gordon Fowell	42.86%	3	7
68	Ernesto Maserati	42.52%	125	294
69	Jo Marquart	42.22%	19	45
70	Tony Southgate	42.18%	283	671
71	Dave Baldwin	42.15%	51	121
72	Bill Aston	41.18%	7	17
73	Robin Herd	41.12%	294	715
74	John Barnard	40.91%	36	88
75	Carlo Chiti	40.83%	98	240
76	Dave Wass	40.00%	152	380
	Giocomo Caliri	40.00%	4	10
	Paul Greifzu	40.00%	2	5
79	Dante Giacosa	39.82%	45	113
80	Harvey Postlethwaite	39.79%	115	289
81	Vittorio Bellentani	39.77%	247	621
82	Geoff Ferris	39.19%	87	222
83	Brian Lisles	38.96%	30	77
84	Colin Chapman	38.15%	705	1848
85	Paul Emery	37.84%	14	37
86	Maurice Philippe	37.67%	226	600
87	Ralph Bellamy	37.40%	138	369
88	Giacomo Caliri	37.14%	13	35
89	Tony Rudd	37.13%	101	272
90	Reid Railton	36.36%	76	209
91	Eddie Strait	36.25%	29	80
92	Antonio Lago	36.24%	108	298
92	Carlo Marchetti	36.24%	108	298
94	John Gentry	35.97%	50	139
95	Vittorio Jano	35.85%	95	265
96	John Surtees	35.73%	124	347
97	Ron Tauranac	35.71%	240	672
97	H J Adlington	35.71%	5	14
99	Bernard Dudot	35.48%	11	31
99	Jean-Claude Migeot	35.48%	11	31
101	Geoffrey Taylor	35.00%	21	60
102	Peter Connew	34.51%	39	113
103	Gioacchino Colombo	34.30%	249	726
104	Gordon Coppuck	34.14%	169	495
105	Giorgio Valentini	33.93%	19	56
106	Shahab Ahmed	33.88%	41	121
107	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
	Chuck Graeminger	33.33%	2	6
	Guglielmo Bellasi	33.33%	2	6
114	Mike Oliver	33.21%	87	262
114	Rodney Clarke	33.21%	87	262
116	Owen Maddock	32.10%	355	1106
117	Nigel Stroud	31.91%	15	47
118	Mauro Forghieri	31.62%	184	582
119	Ken Sears	30.94%	43	139
120	Derek Gardner	30.86%	83	269
121	Aurelio Lampredi	29.71%	131	441
122	Andy Smallman	29.51%	18	61
123	Ferdinand Porsche	29.41%	5	17
124	Adrian Reynard	29.31%	17	58
125	Richard Divila	29.17%	14	48
126	Neil Oatley	29.10%	55	189
126	Patrick Head	29.10%	55	189
128	Bernard Boyer	28.46%	37	130
129	Frank Dernie	27.64%	55	199
130	Bindo Maserati	27.59%	8	29
130	Ettore Maserati	27.59%	8	29
132	Alan Mertens	26.09%	6	23
133	Gordon Kimball	25.00%	1	4
	Jack Brabham	25.00%	1	4
	Martin Walters	25.00%	1	4
	Tom Boyce	25.00%	1	4
137	Dave Kelly	21.05%	4	19
138	Martin Slater	20.00%	1	5
138	Valerio Colotti	20.00%	1	5
140	Tim Wright	14.29%	1	7
141	Helmut Bott	13.68%	16	117
142	Wilhelm Hild	13.33%	18	135
143	Vic Morris	12.50%	2	16
	Renato Martini	12.50%	1	8
	Rudolf Krause	12.50%	1	8
146	Hans Mezger	11.88%	12	101
147	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