10th Place Finish Ratio

until 1962 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	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	Alf Francis	6.25%	3	48
4	John Heath	6.25%	3	48
6	Ernesto Maserati	4.08%	12	294
7	Bindo Maserati	3.45%	1	29
7	Ettore Maserati	3.45%	1	29
9	Geoffrey Taylor	3.33%	2	60
10	Colin Chapman	3.25%	15	462
11	Mike Oliver	3.05%	8	262
11	Rodney Clarke	3.05%	8	262
13	Owen Maddock	3.00%	28	932
14	Gioacchino Colombo	2.48%	18	726
15	Tony Rudd	2.44%	2	82
16	Antonio Lago	2.35%	7	298
16	Carlo Marchetti	2.35%	7	298
18	Wilhelm Hild	2.30%	2	87
19	Vittorio Bellentani	2.09%	13	621
20	Am�d�e Gordini	1.81%	7	386
21	Vittorio Jano	1.21%	3	248
22	Ernst Loof	1.20%	1	83
23	Aurelio Lampredi	1.13%	5	441
24	Reid Railton	0.96%	2	209
25	Alberto Massimino	0.70%	1	142
26	Carlo Chiti	0.68%	1	146

Finishing position: