15th Place Finish Ratio

until 1974 Belgian 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	Martin Slater	100.00%	1	1
2	Ernst Klodwig	50.00%	1	2
3	Morris Nunn	18.18%	2	11
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	Gerard Ducarouge	2.50%	3	120
9	Mike Pilbeam	2.41%	2	83
10	Bernard Boyer	2.31%	3	130
11	Hans Mezger	1.98%	2	101
12	Dave Wass	1.92%	1	52
13	Gordon Murray	1.85%	1	54
14	Tony Southgate	1.77%	5	282
15	Helmut Bott	1.71%	2	117
16	Wilhelm Hild	1.48%	2	135
17	Eddie Strait	1.25%	1	80
18	Carlo Chiti	1.16%	2	173
19	Mike Oliver	1.15%	3	262
19	Rodney Clarke	1.15%	3	262
21	Owen Maddock	1.08%	12	1106
22	Peter Wright	0.98%	1	102
22	Shahab Ahmed	0.98%	1	102
24	Peter Connew	0.95%	1	105
25	Mauro Forghieri	0.71%	2	280
26	Robin Herd	0.71%	3	422
27	Ernesto Maserati	0.68%	2	294
28	John Surtees	0.65%	1	155
29	Geoff Ferris	0.63%	1	158
30	Ralph Bellamy	0.56%	1	177
31	Gordon Coppuck	0.54%	1	184
32	Len Terry	0.53%	1	189
33	Reid Railton	0.48%	1	209
34	Colin Chapman	0.48%	7	1473
35	Vittorio Jano	0.38%	1	265
36	Vittorio Bellentani	0.32%	2	621
37	Ron Tauranac	0.31%	2	643
38	Gioacchino Colombo	0.28%	2	726
39	Maurice Philippe	0.27%	1	367
40	Am�d�e Gordini	0.26%	1	386
41	Aurelio Lampredi	0.23%	1	441

Finishing position: