Year
Date
Drivers
Team
Car
Tire
Car #
Distance
Laps
Championship
3-hour duration
1962
February 11
Dan Gurney Frank Arciero Lotus 19B-Coventry Climax
G
96
312.420 mi (502.791 km)
82
International Championship for GT Manufacturers
1963
February 17
Pedro Rodríguez North American Racing Team Ferrari 250 GTO
G
18
307.300 mi (494.551 km)
81
International Championship for GT Manufacturers
2000 km distance
1964
February 16
Pedro Rodríguez Phil Hill North American Racing Team Ferrari 250 GTO
G
30
1,200 mi (2,000 km)
315
International Championship for GT Manufacturers
1965
February 28
Ken Miles Lloyd Ruby Shelby-American Inc. Ford GT
G
73
1,200 mi (2,000 km)
315
International Championship for GT Manufacturers
24-hour duration
1966
February 5February 6
Ken Miles Lloyd Ruby Shelby-American Inc. Ford GT40 Mk. II
G
98
2,583.178 mi (4,157.222 km)
678
International Championship for Sports-PrototypesInternational Championship for Sports Cars
1967
February 4February 5
Lorenzo Bandini Chris Amon SpA Ferrari SEFAC Ferrari 330 P4
F
23
2,537.460 mi (4,083.646 km)
666
International Championship for Sports-PrototypesInternational Championship for Sports Cars
1968
February 3February 4
Vic Elford Jochen Neerpasch Rolf Stommelen Jo Siffert Hans Herrmann Porsche System Engineering Porsche 907LH
D
54
2,564.130 mi (4,126.567 km)
673
International Championship for Makes
1969
February 1February 2
Mark Donohue Chuck Parsons Roger Penske Sunoco Racing Lola T70 Mk.3B-Chevrolet
G
6
2,385.060 mi (3,838.382 km)
626
International Championship for Makes
1970
January 31February 1
Pedro Rodríguez Leo Kinnunen Brian Redman Engineering Porsche 917K
F
2
2,758.440 mi (4,439.279 km)
724
International Championship for Makes
1971
January 30January 31
Pedro Rodríguez Jackie Oliver Automotive Engineering Porsche 917K
F
2
2,621.280 mi (4,218.542 km)
688
International Championship for Makes
6-hour duration
1972
February 6
Mario Andretti Jacky Ickx SpA Ferrari SEFAC Ferrari 312 PB
F
2
739.140 mi (1,189.531 km)
194
World Championship for Makes
24-hour duration
1973
February 2February 3
Peter Gregg Hurley Haywood Brumos Porsche Porsche Carrera RSR
G
59
2,552.700 mi (4,108.172 km)
670
World Championship for Makes
1974
No race due to energy crisis
1975
February 1February 2
Peter Gregg Hurley Haywood Brumos Porsche Porsche Carrera RSR
G
59
2,606.040 mi (4,194.015 km)
679
World Championship for MakesIMSA GT Championship
1976
January 31February 1
Peter Gregg Brian Redman John Fitzpatrick BMW of North America BMW 3.0 CSL
G
59
2,092.800 mi (3,368.035 km)
545
IMSA GT Championship
1977
February 5February 6
Hurley Haywood John Graves Dave Helmick Ecurie Escargot Porsche Carrera RSR
G
43
2,615.040 mi (4,208.499 km)
681
World Championship for MakesIMSA GT Championship
1978
February 4February 5
Peter Gregg Rolf Stommelen Toine Hezemans Brumos Porsche Porsche 935/77
G
99
2,611.200 mi (4,202.319 km)
680
World Championship for MakesIMSA GT Championship
1979
February 3February 4
Hurley Haywood Ted Field Danny Ongais Interscope Racing Porsche 935/79
G
0
2,626.560 mi (4,227.039 km)
684
World Championship for MakesIMSA GT Championship
1980
February 2February 3
Rolf Stommelen Volkert Merl Reinhold Joest L&M Joest Racing Porsche 935J
D
2
2,745.600 mi (4,418.615 km)
715
World Championship for MakesIMSA GT Championship
1981
January 31February 1
Bobby Rahal Brian Redman Bob Garretson Garretson Racing/Style Auto Porsche 935 K3
G
9
2,718.720 mi (4,375.355 km)
708
World Endurance ChampionshipIMSA GT Championship
1982
January 30January 31
John Paul Sr. John Paul Jr. Rolf Stommelen JLP Racing Porsche 935 JLP-3
G
18
2,760.960 mi (4,443.334 km)
719
IMSA GT Championship
1983
February 5February 6
A. J. Foyt Preston Henn Bob Wollek Claude Ballot-Léna Henn's Swap Shop Racing Porsche 935L
G
6
2,373.120 mi (3,819.167 km)
618
IMSA GT Championship
1984
February 4February 5
Sarel van der Merwe Tony Martin Graham Duxbury Kreepy Krauly Racing March 83G-Porsche
G
00
2,476.800 mi (3,986.023 km)
640
IMSA GT Championship
1985
February 2February 3
A. J. Foyt Bob Wollek Al Unser Thierry Boutsen Henn's Swap Shop Racing Porsche 962
G
8
2,502.680 mi (4,027.673 km)
703
IMSA GT Championship
1986
February 1February 2
Al Holbert Derek Bell Al Unser Jr. Löwenbräu Holbert Racing Porsche 962
G
14
2,534.720 mi (4,079.236 km)
712
IMSA GT Championship
1987
January 31February 1
Al Holbert Derek Bell Chip Robinson Al Unser Jr. Löwenbräu Holbert Racing Porsche 962
G
14
2,680.680 mi (4,314.136 km)
753
IMSA GT Championship
1988
January 30January 31
Raul Boesel Martin Brundle John Nielsen Jan Lammers Castrol Jaguar Racing (TWR) Jaguar XJR-9
D
60
2,591.680 mi (4,170.905 km)
728
IMSA GT Championship
1989
February 4February 5
John Andretti Derek Bell Bob Wollek Miller/BFGoodrich Busby Racing Porsche 962
BF
67
km)A
621
IMSA GT Championship
1990
February 3February 4
Davy Jones Jan Lammers Andy Wallace Castrol Jaguar Racing (TWR) Jaguar XJR-12D
G
61
2,709.160 mi (4,359.970 km)
761
IMSA GT Championship
1991
February 2February 3
Hurley Haywood "John Winter" Frank Jelinski Henri Pescarolo Bob Wollek Joest Racing Porsche 962C
G
7
2,559.640 mi (4,119.341 km)
719
IMSA GT Championship
1992
February 1February 2
Masahiro Hasemi Kazuyoshi Hoshino Toshio Suzuki Nissan Motorsports Intl. Nissan R91CP
G
23
2,712.720 mi (4,365.700 km)
762
IMSA GT Championship
1993
January 30January 31
P. J. Jones Mark Dismore Rocky Moran All American Racers Eagle MkIII-Toyota
G
98
2,484.880 mi (3,999.027 km)
698
IMSA GT Championship
1994
February 5February 6
Paul Gentilozzi Scott Pruett Butch Leitzinger Steve Millen Cunningham Racing Nissan 300ZX
Y
76
2,516.609 mi (4,050.090 km)
707
IMSA GT Championship
1995
February 4February 5
Jürgen Lässig Christophe Bouchut Giovanni Lavaggi Marco Werner Kremer Racing Kremer K8 Spyder-Porsche
G
10
2,456.400 mi (3,953.192 km)
690
IMSA GT Championship
1996
February 3February 4
Wayne Taylor Scott Sharp Jim Pace Doyle Racing Riley & Scott Mk III-Oldsmobile
D
4
2,481.320 mi (3,993.298 km)
697
IMSA GT Championship
1997
February 1February 2
Rob Dyson James Weaver Butch Leitzinger Andy Wallace John Paul Jr. Elliott Forbes-Robinson John Schneider Dyson Racing Riley & Scott Mk III-Ford
G
16
2,456.400 mi (3,953.192 km)
690
IMSA GT Championship
1998
January 31February 1
Mauro Baldi Arie Luyendyk Giampiero Moretti Didier Theys Doran-Moretti Racing Ferrari 333 SP
Y
30
2,531.160 mi (4,073.507 km)
711
Road Racing Championship
1999
January 30January 31
Elliott Forbes-Robinson Butch Leitzinger Andy Wallace Dyson Racing Team Inc. Riley & Scott Mk III-Ford
G
20
2,520.480 mi (4,056.319 km)
708
Road Racing Championship
2000
February 5February 6
Olivier Beretta Dominique Dupuy Karl Wendlinger Viper Team Oreca Dodge Viper GTS-R
M
91
2,573.880 mi (4,142.258 km)
723
Rolex Sports Car Series
2001
February 3February 4
Ron Fellows Chris Kneifel Franck Fréon Johnny O'Connell Corvette Racing Chevrolet Corvette C5-R
G
2
2,335.360 mi (3,758.398 km)
656
Rolex Sports Car Series
2002
February 2February 3
Didier Theys Fredy Lienhard Max Papis Mauro Baldi Doran Lista Racing Dallara SP1-Judd
G
27
2,548.960 mi (4,102.153 km)
716
Rolex Sports Car Series
2003
February 1February 2
Kevin Buckler Michael Schrom Timo Bernhard Jörg Bergmeister The Racer's Group Porsche 911 GT3-RS
D
66
2,474.200 mi (3,981.839 km)
695
Rolex Sports Car Series
2004
January 31February 1
Christian Fittipaldi Terry Borcheller Forest Barber Andy Pilgrim Bell Motorsports Doran JE4-Pontiac
G
54
km)A
526
Rolex Sports Car Series
2005
February 5February 6
Max Angelelli Wayne Taylor Emmanuel Collard SunTrust Racing Riley MkXI-Pontiac
H
10
km)A
710
Rolex Sports Car Series