Race Win Ratio

until 1950 Paris 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
2	Juan Manuel Fangio	77.78%	7	9
3	Chico Landi	50.00%	2	4
	Aldo Gordini	50.00%	1	2
	Franco Venturi	50.00%	1	2
6	Amédée Gordini	44.44%	4	9
7	Jean-Pierre Wimille	36.67%	11	30
8	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
12	Piero Taruffi	30.00%	3	10
13	Nino Farina	27.78%	5	18
14	Bob Gerard	26.32%	5	19
15	Luigi Villoresi	25.58%	11	43
16	José Scaron	20.00%	2	10
16	Franco Mosters	20.00%	1	5
18	Eugène Martin	18.75%	3	16
19	Achille Varzi	18.18%	2	11
20	Reg Parnell	17.50%	7	40
21	Alberto Ascari	16.67%	4	24
21	Felice Bonetto	16.67%	1	6
23	Nello Pagani	13.33%	2	15
24	Prince Bira	13.16%	5	38
25	Tazio Nuvolari	12.50%	1	8
26	Geoffrey Ansell	11.11%	1	9
26	Guy Mairesse	11.11%	1	9
28	Raymond Sommer	10.53%	6 (of which 1 was shared)	57
29	Yves Giraud-Cabantous	7.69%	2	26
30	Louis Rosier	7.32%	3	41
31	Louis Chiron	6.67%	3	45
32	Georges Grignard	5.56%	1	18
33	Henri Louveau	5.13%	2 (of which 1 was shared)	39
34	Peter Whitehead	4.76%	1	21
34	Philippe Étançelin	4.76%	1	21
36	Eugène Chaboud	4.35%	2	46
36	Leslie Brooke	4.35%	1	23
38	Charles Pozzi	3.57%	1	28
38	Georges Raph	3.57%	1	28
40	Emmanuel de Graffenried	2.94%	1	34

Finishing position: