Race Win Ratio

until 1950 ACF 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	Driver	Race Win Ratio	Race Wins	Races
1	John Crouch	100.00%	1	1
1	Johnnie Parsons	100.00%	1	1
3	Juan Manuel Fangio	71.43%	10	14
4	Chico Landi	50.00%	2	4
	Aldo Gordini	50.00%	1	2
	Franco Venturi	50.00%	1	2
7	Amédée Gordini	44.44%	4	9
8	Jean-Pierre Wimille	36.67%	11	30
9	Comte Carlo Felice Trossi	33.33%	3	9
	Christian Kautz	33.33%	1	3
	Giorgio Pelassa	33.33%	1	3
	Ian Nickols	33.33%	1	3
13	Nino Farina	30.43%	7	23
14	Piero Taruffi	30.00%	3	10
15	Bob Gerard	27.27%	6	22
16	Luigi Villoresi	23.91%	11	46
17	José Scaron	20.00%	2	10
17	Franco Mosters	20.00%	1	5
19	Achille Varzi	18.18%	2	11
20	Eugène Martin	16.67%	3	18
21	Reg Parnell	16.28%	7	43
22	Alberto Ascari	14.81%	4	27
23	Nello Pagani	12.50%	2	16
	Felice Bonetto	12.50%	1	8
	Tazio Nuvolari	12.50%	1	8
26	Prince Bira	11.90%	5	42
27	Geoffrey Ansell	11.11%	1	9
27	Guy Mairesse	11.11%	1	9
29	Raymond Sommer	9.84%	6 (of which 1 was shared)	61
30	Yves Giraud-Cabantous	6.67%	2	30
31	Louis Rosier	6.38%	3	47
32	Louis Chiron	6.12%	3	49
33	Georges Grignard	5.56%	1	18
34	Henri Louveau	5.13%	2 (of which 1 was shared)	39
35	Leslie Brooke	4.35%	1	23
35	Peter Whitehead	4.35%	1	23
37	Eugène Chaboud	4.26%	2	47
38	Philippe Étançelin	3.85%	1	26
39	Georges Raph	3.57%	1	28
40	Charles Pozzi	3.45%	1	29
41	Emmanuel de Graffenried	2.63%	1	38

Finishing position: