10th Place Finish Ratio

until 1961 Monaco 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	Wilhelm Hild	4.55%	1	22
7	Tony Rudd	4.44%	2	45
8	Ernesto Maserati	4.08%	12	294
9	Bindo Maserati	3.45%	1	29
9	Ettore Maserati	3.45%	1	29
11	Geoffrey Taylor	3.33%	2	60
12	Colin Chapman	3.20%	7	219
13	Mike Oliver	3.05%	8	262
13	Rodney Clarke	3.05%	8	262
15	Owen Maddock	2.65%	20	755
16	Gioacchino Colombo	2.48%	18	725
17	Antonio Lago	2.35%	7	298
17	Carlo Marchetti	2.35%	7	298
19	Vittorio Bellentani	2.10%	13	620
20	Am�d�e Gordini	1.81%	7	386
21	Vittorio Jano	1.47%	3	204
22	Ernst Loof	1.20%	1	83
23	Aurelio Lampredi	1.13%	5	441
24	Carlo Chiti	0.98%	1	102
25	Reid Railton	0.96%	2	209
26	Alberto Massimino	0.76%	1	131

Finishing position: