10th Place Finish Ratio

until 1967 Canadian 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	10th Place Finish Ratio	10th Place Finishes	Entries
1	Valerio Colotti	20.00%	1	5
2	Frank Costin	15.38%	2	13
3	Ted Cutting	13.33%	2	15
4	Tony Robinson	6.90%	2	29
5	Len Terry	6.67%	7	105
6	Alf Francis	6.25%	3	48
6	John Heath	6.25%	3	48
8	Wilhelm Hild	5.19%	7	135
9	Hans Mezger	4.95%	5	101
10	Derrick White	4.55%	4	88
11	Helmut Bott	4.27%	5	117
12	Ernesto Maserati	4.08%	12	294
13	Bindo Maserati	3.45%	1	29
13	Ettore Maserati	3.45%	1	29
15	Geoffrey Taylor	3.33%	2	60
16	Colin Chapman	3.28%	35	1067
17	Mike Oliver	3.05%	8	262
17	Rodney Clarke	3.05%	8	262
19	Eric Broadley	3.03%	1	33
20	Owen Maddock	2.82%	31	1101
21	Eddie Strait	2.56%	2	78
22	Gioacchino Colombo	2.48%	18	726
23	Antonio Lago	2.35%	7	298
23	Carlo Marchetti	2.35%	7	298
25	Vittorio Bellentani	2.09%	13	621
26	Tony Rudd	1.92%	5	261
27	Am�d�e Gordini	1.81%	7	386
28	Ron Tauranac	1.55%	5	322
29	Vittorio Jano	1.51%	4	265
30	Ernst Loof	1.20%	1	83
31	Carlo Chiti	1.16%	2	173
32	Aurelio Lampredi	1.13%	5	441
33	Reid Railton	0.96%	2	209
34	Mauro Forghieri	0.93%	1	108
35	Alberto Massimino	0.65%	1	153

Finishing position: