18th Place Finish Ratio

until 1988 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:

Pos	Designer	18th Place Finish Ratio	18th Place Finishes	Entries
1	Dave Baldwin	1.65%	2	121
2	Frank Costin	1.04%	1	96
3	John Surtees	0.86%	3	347
4	Mike Pilbeam	0.78%	1	128
5	Ken Sears	0.72%	1	139
6	Giacomo Caliri	0.69%	1	145
7	Alberto Massimino	0.65%	1	153
8	Gustav Brunner	0.65%	1	155
9	Tony Southgate	0.60%	4	672
10	Ralph Bellamy	0.52%	2	387
11	John Baldwin	0.52%	1	194
12	Owen Maddock	0.45%	5	1106
13	Geoff Ferris	0.45%	1	222
14	Rory Byrne	0.44%	1	225
15	Dave Wass	0.42%	2	471
16	Robin Herd	0.42%	3	715
17	John Barnard	0.41%	1	242
18	Michel Tetu	0.38%	1	262
	Mike Oliver	0.38%	1	262
	Rodney Clarke	0.38%	1	262
21	Derek Gardner	0.37%	1	269
22	Michel Beaujon	0.34%	1	293
23	Ernesto Maserati	0.34%	1	294
24	Mauro Forghieri	0.33%	2	610
25	Vittorio Bellentani	0.32%	2	621
26	Harvey Postlethwaite	0.26%	1	381
27	Ron Tauranac	0.15%	1	672
28	Gioacchino Colombo	0.14%	1	726
29	Maurice Philippe	0.13%	1	746
30	Colin Chapman	0.11%	2	1848

Finishing position: