Retirement Ratio

2007 Australian GP
2007 Brazilian GP

until 2006 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
	Andy Brown	100.00%	1	1
	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	Dave Watson	79.41%	27	34
9	Tim Feast	76.92%	20	26
10	David Hodkin	71.43%	5	7
11	Giuseppe Petrotta	69.57%	64	92
12	Luigi Marmiroli	69.39%	34	49
13	Bruce Ashmore	68.75%	22	32
	Mark Williams	68.75%	22	32
	Arialdo Ruggieri	68.75%	11	16
16	Jean-Pierre Jabouille	66.67%	12	18
	Fred Wilkinson	66.67%	4	6
	Alan Phillips	66.67%	2	3
19	Giacomo Caliri	64.05%	98	153
20	Mario Tolentino	62.02%	80	129
21	Fran�ois Castaing	60.28%	85	141
21	Marcel Hubert	60.28%	85	141
23	Gianfranco Pederzani	60.00%	6	10
	Luciano Pederzani	60.00%	6	10
	Ray Jessop	60.00%	3	5
26	Ray Stokoe	59.26%	16	27
27	Giorgio Stirano	58.70%	27	46
28	Andy le Flemming	58.16%	57	98
29	David North	57.86%	162	280
30	Ernst Loof	57.83%	48	83
31	Shoichi Sano	56.25%	27	48
31	Yoshio Nakamura	56.25%	27	48
33	Mark Handford	55.88%	19	34
34	Jorg Zander	55.56%	20	36
34	Alex von Falkenhausen	55.56%	5	9
36	John Baldwin	53.91%	124	230
37	Andr� de Cortanze	53.91%	69	128
38	Frank Costin	52.08%	50	96
	Alf Francis	52.08%	25	48
	John Heath	52.08%	25	48
41	Michel Tetu	51.94%	187	360
42	Eric Broadley	51.66%	109	211
43	Jean-Marc d'Adda	51.61%	16	31
44	Peter Berthon	51.56%	33	64
45	John Clarke	51.39%	37	72
46	Derrick White	51.18%	65	127
47	Len Terry	51.01%	101	198
48	Chris Murphy	50.71%	178	351
49	Gianpaolo Dallara	50.64%	79	156
50	Alan Jenkins	50.44%	172	341
51	Mauro Gennari	50.00%	66	132
	Doug Serrurier	50.00%	4	8
	Alan McCall	50.00%	1	2
	Hans Klenk	50.00%	1	2
55	Am�d�e Gordini	49.74%	192	386
56	Hans Fouche	49.72%	89	179
57	Robert Choulet	49.71%	86	173
58	Mike Coughlan	49.42%	212	429
59	Tino Belli	49.19%	61	124
60	Gordon Murray	48.69%	241	495
61	Jean-Paul Gousset	48.53%	33	68
62	Tony Robinson	48.28%	14	29
63	John Russell	48.04%	49	102
64	Geoff Aldridge	48.00%	48	100
65	Andrew Green	47.96%	94	196
66	Bernard Dudot	47.74%	74	155
67	Herve Guilpin	47.73%	21	44
68	Arturo Merzario	47.62%	10	21
69	Paul Brown	47.37%	36	76
70	Ben Wood	46.88%	30	64
71	Heinz Zollner	46.67%	28	60
	Nigel Cowperthwaite	46.67%	14	30
	Ignazio Lunetta	46.67%	7	15
	Ted Cutting	46.67%	7	15
75	Sergio Rinland	46.43%	260	560
76	Tim Holloway	46.42%	175	377
77	Darren Davies	46.39%	77	166
78	Mike Pilbeam	46.09%	59	128
79	Sam Michael	45.95%	34	74
80	Tim Wright	45.83%	11	24
81	Nigel Bennett	45.45%	35	77
81	Riccardo de Marco	45.45%	5	11
83	Alberto Massimino	45.10%	69	153
84	Jean-Claude Migeot	44.83%	273	609
84	Tomasso Carletti	44.83%	26	58
86	Malcolm Oastler	44.78%	60	134
87	Peter Wright	44.65%	171	383
88	Gary Anderson	44.63%	191	428
89	Leo Ress	44.44%	116	261
89	Tim Wadrop	44.44%	28	63
91	Martin Ogilvie	44.42%	199	448
92	Harvey Postlethwaite	44.26%	297	671
93	Steve Nichols	44.25%	100	226
94	Michel Beaujon	44.25%	173	391
95	Dago Rohrer	44.12%	15	34
96	Len Bailey	43.75%	7	16
97	Gustav Brunner	43.51%	342	786
98	Frank Coppuck	42.99%	46	107
99	Gordon Fowell	42.86%	3	7
100	John Barnard	42.61%	242	568
101	Dave Kelly	42.55%	20	47
102	Ernesto Maserati	42.52%	125	294
103	Robin Herd	42.31%	355	839
104	Tony Southgate	42.26%	284	672
105	Jo Marquart	42.22%	19	45
106	Gerard Ducarouge	42.17%	280	664
107	Dave Baldwin	42.15%	51	121
108	Gabriele Tredozi	42.11%	144	342
109	Dave Wass	42.04%	198	471
110	Gordon Kimball	41.88%	67	160
111	George Ryton	41.70%	108	259
112	Bill Aston	41.18%	7	17
113	Henri Durand	41.05%	250	609
114	Claude Gallopin	40.93%	97	237
115	Carlo Chiti	40.83%	98	240
116	John Gentry	40.78%	73	179
117	Eghbal Hamidy	40.70%	162	398
118	David Pitchforth	40.62%	13	32
119	Loic Bigois	40.48%	234	578
120	Ren� Hilhorst	40.24%	132	328
121	Mike Gascoyne	40.09%	176	439
122	Giocomo Caliri	40.00%	4	10
122	Paul Greifzu	40.00%	2	5
124	Aldo Costa	39.84%	145	364
125	Dante Giacosa	39.82%	45	113
126	Mariano Alperin	39.80%	121	304
127	Vittorio Bellentani	39.77%	247	621
128	Geoff Ferris	39.19%	87	222
129	Frank Dernie	38.98%	237	608
130	Enrique Scalabroni	38.46%	65	169
131	Colin Chapman	38.15%	705	1848
132	Ralph Bellamy	37.98%	147	387
133	Paul Emery	37.84%	14	37
134	Paul Crooks	37.50%	39	104
134	Keizo Takahashi	37.50%	12	32
136	Tony Rudd	37.13%	101	272
137	Robert Taylor	36.43%	51	140
138	Reid Railton	36.36%	76	209
138	John McQuilliam	36.36%	64	176
140	Antonio Tomaini	36.25%	29	80
140	Eddie Strait	36.25%	29	80
142	Antonio Lago	36.24%	108	298
142	Carlo Marchetti	36.24%	108	298
144	James Key	36.11%	13	36
	Simon Phillips	36.11%	13	36
	Tim Goss	36.11%	13	36
147	Vittorio Jano	35.85%	95	265
148	Gordon Coppuck	35.80%	189	528
149	John Surtees	35.73%	124	347
150	Ron Tauranac	35.71%	240	672
150	H J Adlington	35.71%	5	14
152	Maurice Philippe	35.60%	267	750
153	Ben Agathangelou	35.51%	98	276
154	Neil Oatley	35.40%	274	774
155	Willem Toet	35.28%	163	462
156	Adrian Reynard	35.26%	55	156
157	Geoffrey Taylor	35.00%	21	60
157	Chris Radage	35.00%	7	20
159	Sandro Parini	34.55%	38	110
160	Peter Connew	34.51%	39	113
161	Gioacchino Colombo	34.30%	249	726
162	Giorgio Valentini	33.93%	19	56
163	Nicolo Petrucci	33.89%	81	239
164	Shahab Ahmed	33.88%	41	121
165	Adrian Newey	33.60%	212	631
166	Hans Gassmann	33.33%	14	42
	Hans Scherrenberg	33.33%	14	42
	Ludwig Krause	33.33%	14	42
	Gunther Steiner	33.33%	12	36
	Morris Nunn	33.33%	11	33
	Luigi Colani	33.33%	3	9
	Chuck Graeminger	33.33%	2	6
	Guglielmo Bellasi	33.33%	2	6
174	Mike Oliver	33.21%	87	262
174	Rodney Clarke	33.21%	87	262
176	Geoffrey Willis	32.89%	100	304
177	Nick Wirth	32.47%	50	154
178	Owen Maddock	32.10%	355	1106
179	Mark Smith	32.08%	34	106
180	Patrick Head	31.95%	278	870
181	Nigel Stroud	31.91%	15	47
182	Peter Prodromou	31.90%	67	210
183	Seamus Mullarkey	31.29%	97	310
184	Brian Lisles	31.28%	71	227
185	Ian Pocock	31.08%	23	74
186	Ken Sears	30.94%	43	139
187	Gavin Fisher	30.88%	84	272
188	Derek Gardner	30.86%	83	269
189	Bernie Marcus	30.77%	16	52
190	Rory Byrne	30.43%	231	759
191	Mauro Forghieri	30.37%	195	642
192	Aurelio Lampredi	29.71%	131	441
193	Andy Smallman	29.51%	18	61
194	Andrea Rocchetto	29.41%	20	68
194	Ferdinand Porsche	29.41%	5	17
196	Pat Symonds	28.92%	48	166
197	Ross Brawn	28.81%	172	597
198	Bernard Boyer	28.46%	37	130
199	John Iley	28.10%	77	274
200	Bindo Maserati	27.59%	8	29
200	Ettore Maserati	27.59%	8	29
202	Willy Rampf	27.01%	47	174
203	Bruno Zava	26.83%	11	41
203	Mario Tollentino	26.83%	11	41
205	Richard Divila	26.79%	30	112
206	Graham Heard	26.47%	9	34
207	Alan Mertens	26.09%	6	23
208	Jack Brabham	25.00%	1	4
	Martin Walters	25.00%	1	4
	Tom Boyce	25.00%	1	4
211	Tim Densham	24.66%	55	223
212	Gary Savage	23.58%	25	106
213	Nicolas Tombazis	23.18%	70	302
214	Bob Bell	22.92%	11	48
215	Stefan Fober	22.00%	11	50
216	Christian Vanderpleyn	20.37%	22	108
217	Martin Slater	20.00%	1	5
217	Valerio Colotti	20.00%	1	5
219	Michel Costa	19.48%	30	154
220	Antonia Terzi	19.44%	7	36
	Kevin Taylor	19.44%	7	36
	Willi Rampf	19.44%	7	36
223	James Robinson	18.92%	14	74
224	Dino Toso	18.18%	20	110
224	Robert Bell	18.18%	20	110
226	Jason Sommerville	16.67%	11	66
226	Nick Alcock	16.67%	11	66
228	Helmut Bott	13.68%	16	117
229	Wilhelm Hild	13.33%	18	135
230	Roberto Ori	12.50%	8	64
	Vic Morris	12.50%	2	16
	Renato Martini	12.50%	1	8
	Rudolf Krause	12.50%	1	8
234	Hans Mezger	11.88%	12	101
235	James Allison	11.11%	4	36
235	Martin Tolliday	11.11%	4	36
237	Peter Wyss	8.82%	3	34
238	Masao Ono	8.33%	1	12
239	Nino Frisson	6.25%	2	32

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