15th Place Finish Ratio

until 1974 United States 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	15th Place Finish Ratio	15th Place Finishes	Entries
1	Ernst Klodwig	50.00%	1	2
1	Martin Slater	50.00%	1	2
3	Morris Nunn	9.52%	2	21
4	Alf Francis	6.25%	3	48
4	John Heath	6.25%	3	48
6	Bindo Maserati	3.45%	1	29
6	Ettore Maserati	3.45%	1	29
8	Andy Smallman	3.12%	1	32
9	Gerard Ducarouge	2.50%	3	120
10	Bernard Boyer	2.31%	3	130
11	Hans Mezger	1.98%	2	101
12	John Clarke	1.96%	1	51
13	Mike Pilbeam	1.85%	2	108
14	Helmut Bott	1.71%	2	117
15	Tony Southgate	1.62%	5	308
16	Wilhelm Hild	1.48%	2	135
17	Dave Wass	1.39%	1	72
18	Eddie Strait	1.25%	1	80
19	Carlo Chiti	1.16%	2	173
20	Mike Oliver	1.15%	3	262
20	Rodney Clarke	1.15%	3	262
22	Gordon Murray	1.09%	1	92
23	Owen Maddock	1.08%	12	1106
24	Peter Wright	0.98%	1	102
24	Shahab Ahmed	0.98%	1	102
26	Peter Connew	0.95%	1	105
27	Gordon Coppuck	0.90%	2	222
28	Ernesto Maserati	0.68%	2	294
29	Robin Herd	0.67%	3	445
30	Mauro Forghieri	0.67%	2	300
31	Geoff Ferris	0.62%	1	162
32	John Surtees	0.56%	1	180
33	Len Terry	0.53%	1	189
34	Reid Railton	0.48%	1	209
35	Ralph Bellamy	0.47%	1	214
36	Colin Chapman	0.46%	7	1518
37	Vittorio Jano	0.38%	1	265
38	Vittorio Bellentani	0.32%	2	621
39	Ron Tauranac	0.31%	2	655
40	Gioacchino Colombo	0.28%	2	726
41	Maurice Philippe	0.27%	1	377
42	Am�d�e Gordini	0.26%	1	386
43	Aurelio Lampredi	0.23%	1	441

Finishing position: