Race Win Ratio

until 1950 Swiss 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	66.67%	8	12
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	Nino Farina	33.33%	7	21
	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
14	Piero Taruffi	30.00%	3	10
15	Luigi Villoresi	24.44%	11	45
16	Bob Gerard	23.81%	5	21
17	José Scaron	20.00%	2	10
17	Franco Mosters	20.00%	1	5
19	Achille Varzi	18.18%	2	11
20	Reg Parnell	17.07%	7	41
21	Eugène Martin	16.67%	3	18
22	Alberto Ascari	15.38%	4	26
23	Felice Bonetto	14.29%	1	7
24	Nello Pagani	12.50%	2	16
24	Tazio Nuvolari	12.50%	1	8
26	Prince Bira	12.20%	5	41
27	Geoffrey Ansell	11.11%	1	9
27	Guy Mairesse	11.11%	1	9
29	Raymond Sommer	10.17%	6 (of which 1 was shared)	59
30	Yves Giraud-Cabantous	7.14%	2	28
31	Louis Rosier	6.67%	3	45
32	Louis Chiron	6.25%	3	48
33	Georges Grignard	5.56%	1	18
34	Henri Louveau	5.13%	2 (of which 1 was shared)	39
35	Peter Whitehead	4.55%	1	22
36	Eugène Chaboud	4.35%	2	46
36	Leslie Brooke	4.35%	1	23
38	Philippe Étançelin	4.17%	1	24
39	Charles Pozzi	3.57%	1	28
39	Georges Raph	3.57%	1	28
41	Emmanuel de Graffenried	2.70%	1	37

Finishing position: