Laps Led

1981 Belgian GP
1982 San Marino GP

until 1981 San Marino GP

Include Indy 500 races
Include non-championship races

Pos	Entrant	Laps Led
1	Scuderia Ferrari SpA SEFAC	3622
2	Team Lotus	2138
3	Scuderia Ferrari	1967
4	John Player Team Lotus	1806
5	Elf Team Tyrrell	1312
6	Owen Racing Organisation	1078
7	Officine Alfieri Maserati	790
8	Brabham Racing Organisation	655
9	Gold Leaf Team Lotus	650
10	Alfa Romeo SpA	638
11	Matra International	628
12	Daimler Benz AG	589
13	R.R.C. Walker Racing Team	554
14	Marlboro Team McLaren	548
15	Cooper Car Co	535
16	Motor Racing Developments	428
17	Parmalat Racing Team	380
18	Vandervell Products	371
19	Albilad-Williams Racing Team	314
20	Martini Racing	290
21	Tyrrell Racing Organisation	266
22	Albilad-Saudia Racing Team	246
23	Equipe Renault Elf	245
24	Equipe Ligier Gitanes	244
25	Ligier Gitanes	222
26	Walter Wolf Racing	214
27	Bruce McLaren Motor Racing	196
28	Yardley Team McLaren	140
29	Yardley Team BRM	137
30	Marlboro BRM	131
31	Marlboro Team Texaco	115
32	Hesketh Racing	88
33	March Engineering	72
34	Honda R&D Co	68
35	Citibank Team Penske	45
36	Rob Walker/Jack Durlacher Racing	42
37	STP March Racing Team	39
37	UOP Shadow Racing Team	39
39	Arrows Racing Team	37
40	Marlboro Team Alfa Romeo	31
41	Scuderia Sud Americana	25
42	Ragno Arrows Beta Racing Team	24
43	Porsche System Engineering	20
43	Scuderia Lancia	20
45	Anglo American Racers	19
45	Equipe Matra	19
47	Lavazza March	15
48	Beta Team March	13
	John Love	13
	North American Racing Team	13
51	Equipe Matra Elf	11
	Honda Racing	11
	Shadow Racing Team	11
54	Harry Schell	10
	Vel's Parnelli Jones Racing	10
	World Wide Racing	10
57	Equipe Matra Sports	9
58	Embassy Racing with Graham Hill	8
59	FISA	7
60	Raymond Sommer	5
60	Team Surtees	5
62	Beta Team Surtees	4
63	Frank Williams Racing Cars	2
64	Equipe Gordini	1
64	Ken Kavanagh	1