Race Win Ratio

until 1949 British 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	Juan Manuel Fangio	100.00%	3	3
1	Aldo Gordini	100.00%	1	1
3	Chico Landi	50.00%	2	4
3	Franco Venturi	50.00%	1	2
5	Amédée Gordini	44.44%	4	9
5	Nino Farina	44.44%	4	9
7	Jean-Pierre Wimille	36.67%	11	30
8	Comte Carlo Felice Trossi	33.33%	3	9
	Piero Taruffi	33.33%	3	9
	Christian Kautz	33.33%	1	3
	Felice Bonetto	33.33%	1	3
	Giorgio Pelassa	33.33%	1	3
	Ian Nickols	33.33%	1	3
14	Luigi Villoresi	29.41%	10	34
15	Bob Gerard	26.67%	4	15
16	José Scaron	22.22%	2	9
17	Eugène Martin	20.00%	3	15
17	Franco Mosters	20.00%	1	5
19	Achille Varzi	18.18%	2	11
20	Prince Bira	17.86%	5	28
21	Reg Parnell	17.24%	5	29
22	Nello Pagani	14.29%	2	14
23	Geoffrey Ansell	12.50%	1	8
23	Tazio Nuvolari	12.50%	1	8
25	Raymond Sommer	10.87%	5 (of which 1 was shared)	46
26	Philippe Étançelin	8.33%	1	12
27	Yves Giraud-Cabantous	8.00%	2	25
28	Louis Rosier	6.25%	2	32
28	Alberto Ascari	6.25%	1	16
30	Henri Louveau	5.56%	2 (of which 1 was shared)	36
31	Louis Chiron	5.26%	2	38
32	Leslie Brooke	5.00%	1	20
33	Eugène Chaboud	4.65%	2	43
34	Emmanuel de Graffenried	4.00%	1	25
35	Georges Raph	3.85%	1	26

Finishing position: