10th Place Finish Ratio

until 1963 German 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	Wilhelm Hild	3.28%	4	122
11	Colin Chapman	3.12%	22	705
12	Mike Oliver	3.05%	8	262
12	Rodney Clarke	3.05%	8	262
14	Owen Maddock	3.04%	31	1021
15	Tony Rudd	2.68%	3	112
16	Gioacchino Colombo	2.48%	18	726
17	Antonio Lago	2.35%	7	298
17	Carlo Marchetti	2.35%	7	298
19	Hans Mezger	2.27%	2	88
20	Vittorio Bellentani	2.09%	13	621
21	Helmut Bott	1.92%	2	104
22	Am�d�e Gordini	1.81%	7	386
23	Vittorio Jano	1.53%	4	262
24	Carlo Chiti	1.22%	2	164
25	Ernst Loof	1.20%	1	83
26	Aurelio Lampredi	1.13%	5	441
27	Reid Railton	0.96%	2	209
28	Alberto Massimino	0.66%	1	151

Finishing position: