Race Win Ratio

until 1951 Indianapolis 500

Include 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
2	Juan Manuel Fangio	54.17%	13	24
3	Chico Landi	50.00%	2	4
3	Franco Venturi	50.00%	1	2
5	Amédée Gordini	44.44%	4	9
6	Jean-Pierre Wimille	36.67%	11	30
7	Comte Carlo Felice Trossi	33.33%	3	9
	Aldo Gordini	33.33%	1	3
	Christian Kautz	33.33%	1	3
	Giorgio Pelassa	33.33%	1	3
	Ian Nickols	33.33%	1	3
12	Nino Farina	32.35%	11	34
13	Luigi Villoresi	24.07%	13	54
14	Bob Gerard	21.43%	6	28
14	Piero Taruffi	21.43%	3	14
16	José Scaron	20.00%	2	10
16	Franco Mosters	20.00%	1	5
18	Achille Varzi	18.18%	2	11
19	Reg Parnell	16.98%	9	53
20	Alberto Ascari	15.79%	6	38
20	Eugène Martin	15.79%	3	19
22	Tazio Nuvolari	12.50%	1	8
23	Nello Pagani	11.76%	2	17
24	Geoffrey Ansell	11.11%	1	9
25	Prince Bira	10.71%	6	56
26	Louis Rosier	10.17%	6	59
27	Peter Whitehead	9.38%	3	32
28	Raymond Sommer	9.09%	6 (of which 1 was shared)	66
29	Felice Bonetto	8.33%	1	12
29	Guy Mairesse	8.33%	1	12
31	Louis Chiron	5.36%	3	56
32	Yves Giraud-Cabantous	5.00%	2	40
33	Georges Grignard	4.55%	1	22
34	Eugène Chaboud	4.26%	2	47
35	Leslie Brooke	4.17%	1	24
36	Henri Louveau	4.08%	2 (of which 1 was shared)	49
37	David Hampshire	3.70%	1	27
38	Georges Raph	3.57%	1	28
39	Charles Pozzi	3.45%	1	29
39	Cuth Harrison	3.45%	1	29
41	Philippe Étançelin	2.78%	1	36
42	Emmanuel de Graffenried	1.96%	1	51

Finishing position: