The 1999 Petit Le Mans was the second running of the Petit Le Mans and the sixth round of the 1999 American Le Mans Series season. It took place at Road Atlanta, Georgia, on September 18, 1999.

Class winners in bold.

Pos	Class	No	Team	Drivers	Chassis	Tyre	Laps
					Engine
1	LMP	1	Panoz Motor Sports	David Brabham Éric Bernard Andy Wallace	Panoz LMP-1 Roadster-S	M	394
					Ford (Élan-Yates) 6.0 L V8
2	LMP	43	BMW Motorsport Schnitzer Motorsport	Joachim Winkelhock Bill Auberlen Steve Soper	BMW V12 LMR	M	393
					BMW S70 6.0 L V12
3	LMP	42	BMW Motorsport Schnitzer Motorsport	JJ Lehto Jörg Müller	BMW V12 LMR	M	393
					BMW S70 6.0 L V12
4	LMP	20	Dyson Racing	Butch Leitzinger Elliott Forbes-Robinson James Weaver	Riley & Scott Mk III	G	384
					Ford 5.0 L V8
5	LMP	2	Panoz Motor Sports	Johnny O'Connell Jan Magnussen Memo Gidley	Panoz LMP-1 Roadster-S	M	383
					Ford (Élan-Yates) 6.0 L V8
6	LMP	0	Team Rafanelli SRL	Eric van de Poele Mimmo Schiattarella Tomáš Enge	Riley & Scott Mk III	Y	377
					Judd GV4 4.0 L V10
7	LMP	38	Champion Racing	Allan McNish Ralf Kelleners Bob Wollek	Porsche 911 GT1 Evo	M	372
					Porsche 3.2 L Turbo Flat-6
8	LMP	27	Doran Lista Racing	Didier Theys Fredy Lienhard Stanley Dickens	Ferrari 333 SP	M	369
					Ferrari F310E 4.0 L V12
9	GTS	91	Dodge Viper Team Oreca	Olivier Beretta Karl Wendlinger Marc Duez	Dodge Viper GTS-R	M	357
					Dodge 8.0 L V10
10	GTS	92	Dodge Viper Team Oreca	David Donohue Tommy Archer Jean-Philippe Belloc	Dodge Viper GTS-R	M	357
					Dodge 8.0 L V10
11	LMP	13	J&P Motorsports	Klaus Graf Franz Konrad Jan Lammers	Panoz LMP-1 Roadster-S	M	355
					Ford (Élan-Yates) 6.0 L V8
12	GTS	93	Dodge Viper Team Oreca	Justin Bell Ni Amorim Emmanuel Clérico	Dodge Viper GTS-R	M	354
					Dodge 8.0 L V10
13	GTS	4	Corvette Racing	Andy Pilgrim Kelly Collins Scott Sharp	Chevrolet Corvette C5-R	G	349
					Chevrolet 6.0 L V8
14	GTS	3	Corvette Racing	Chris Kneifel John Paul Jr. Ron Fellows	Chevrolet Corvette C5-R	G	347
					Chevrolet 6.0 L V8
15	GT	23	Manthey Racing Alex Job Racing	Dirk Müller Sascha Maassen Cort Wagner	Porsche 911 GT3-R	M	347
					Porsche 3.6 L Flat-6
16	GT	6	Prototype Technology Group	Boris Said Hans-Joachim Stuck	BMW M3	Y	344
					BMW 3.2 L I6
17	LMP	63	Downing Atlanta	Jim Downing Howard Katz Franck Fréon	Kudzu DLY	G	344
					Mazda R26B 2.6 L 4-Rotor
18	GT	7	Prototype Technology Group	Brian Cunningham Peter Cunningham Brian Simo	BMW M3	Y	339
					BMW 3.2 L I6
19	GT	10	Prototype Technology Group	Darren Law Johannes van Overbeek Mark Simo	BMW M3	Y	339
					BMW 3.2 L I6
20	GT	17	Contemporary Motorsports	Mike Conte Bruno Lambert	Porsche 911 Carrera RSR	?	332
					Porsche 3.8 L Flat-6
21 DNF	LMP	8	Transatlantic Racing	Scott Schubot Henry Camferdam Rick Sutherland	Riley & Scott Mk III	G	322
					Ford 5.0 L V8
22	GT	03	Reiser Callas Rennsport	Grady Willingham Joel Reiser Craig Stanton	Porsche 911 Carrera RSR	P	320
					Porsche 3.8 L Flat-6
23	GTS	83	Chiefie Motorsports	Joe Foster Zak Brown Stephen Earle Michael Schrom	Porsche 911 GT2	P	319
					Porsche 3.6 L Turbo Flat-6
24	GT	07	G & W Motorsports	Danny Marshall Steve Marshall Cindi Lux Chris Hall	Porsche 911 Carrera RSR	P	316
					Porsche 3.8 L Flat-6
25	LMP	63	Downing Atlanta	Dennis Spencer Rich Grupp Barry Waddell	Kudzu DLM	G	313
					Mazda 2.0 L 3-Rotor
26	GTS	08	Roock Motorsport North America	Claudia Hürtgen André Ahrlé Hubert Haupt	Porsche 911 GT2	Y	312
					Porsche 3.8 L Turbo Flat-6
27	GT	25	RWS Motorsport	Hans-Jörg Hofer Luca Riccitelli Patrick Huisman	Porsche 911 GT3-R	M	305
					Porsche 3.6 L Flat-6
28	GTS	49	Freisinger Motorsport	Lance Stewart Yukihiro Hane	Porsche 911 GT2	D	302
					Porsche 3.6 L Turbo Flat-6
29	GTS	55	Saleen/Allen Speedlab	Terry Borcheller Ron Johnson Shane Lewis	Saleen Mustang SR	P	291
					Ford 8.0 L V8
30	LMP	31	Nygmatech Motorsports	Tony Kester Dave Dullum Kurt Baumann	Riley & Scott Mk III	?	279
					Ford 5.0 L V8
31	LMP	29	Intersport Racing	Tim Hubman Vic Rice John Mirro	Riley & Scott Mk III	G	272
					Ford (Roush) 6.0 L V8
32	GT	96	Freisinger Motorsport	John Heinricy Charles Coker Dave White	Porsche 911 Supercup	D	252
					Porsche 3.6 L Flat-6
33 DNF	GT	76	Team ARE	Geoff Auberlen Angelo Cilli Simon Sobrero	Porsche 911 Carrera RSR	Y	243
					Porsche 3.8 L Flat-6
34 DNF	LMP	36	Doran Lista Racing Jim Matthews Racing	Stefan Johansson Jim Matthews Scott Dixon	Ferrari 333 SP	M	225
					Ferrari F310E 4.0 L V12
35 DNF	GTS	48	Freisinger Motorsport	Wolfgang Kaufmann Michel Ligonnet	Porsche 911 GT2	D	223
					Porsche 3.6 L Turbo Flat-6
36 DNF	GTS	19	Chamberlain Motorsport	Didier Defourny Hans Hugenholtz Seiji Ara	Chrysler Viper GTS-R	M	222
					Chrysler 8.0 L V10
37 DNF	GTS	61	Konrad Motorsport	Michel Neugarten Charles Slater Tom McGlynn	Porsche 911 GT2	D	214
					Porsche 3.6 L Turbo Flat-6
38 DNF	LMP	75	DAMS	Jean-Marc Gounon Franck Montagny Christophe Tinseau	Lola B98/10	P	206
					Judd GV4 4.0 L V10
39 DNF	LMP	28	Intersport Racing	Jon Field Ryan Jones Niclas Jönsson	Lola B98/10	G	188
					Ford (Roush) 6.0 L V8
40 DNF	LMP	11	Doyle-Risi Racing	Max Angelelli Didier de Radiguès Xavier Pompidou	Ferrari 333 SP	P	187
					Ferrari F310E 4.0L V12
41 DNF	LMP	12	Doyle-Risi Racing	Alex Caffi Andrea Montermini Wayne Taylor	Ferrari 333 SP	P	172
					Ferrari F310E 4.0 L V12
42 DNF	GT	73	Auto Sport South Racing	Brady Refenning Allan Ziegelman Kevin Wheeler Paulo Lima	Porsche 911 Carrera RSR	G	165
					Porsche 3.8 L Flat-6
43 DNF	GT	70	Alegra Motorsports	Scooter Gabel Carlos DeQuesada	Porsche 911 Carrera RSR	P	157
					Porsche 3.8 L Flat-6
44 DNF	GT	02	Reiser Callas Rennsport	Johnny Mowlem David Murry Hurley Haywood	Porsche 911 Carrera RSR	P	147
					Porsche 3.8 L Flat-6
45 DNF	LMP	74	Robinson Racing	George Robinson Jack Baldwin Irv Hoerr	Riley & Scott Mk III	G	118
					Chevrolet 6.0 L V8
46 DNF	GTS	56	Martin Snow Racing	Martin Snow Larry Schumacher John O'Steen	Porsche 911 GT2	M	115
					Porsche 3.6 L Turbo Flat-6
47 DNF	GT	22	Alex Job Racing	Mike Fitzgerald Darryl Havens Randy Pobst	Porsche 911 Carrera RSR	Y	113
					Porsche 3.8L Flat-6
48 DNF	LMP	95	TRV Motorsport	Jeret Schroeder Tom Volk Lyn St. James	Riley & Scott Mk III	G	66
					Chevrolet 6.0 L V8
49 DNF	GT	64	Spencer Pumpelly Racing	Spencer Pumpelly Jack Lewis Kurt Mathewson	Porsche 911 Carrera RSR	?	7
					Porsche 3.8 L Flat-6
DNS	LMP	06	Multimatic Motorsports	Scott Maxwell Harri Toivonen	Lola B98/10	P	-
					Ford 5.1 L V8

• Pole Position - #1 Panoz Motor Sports (David Brabham) - 1:10.873
• Fastest Lap - #42 BMW Motorsport (J.J. Lehto) - 1:12.653
• Distance - 1,610.567 km (1,000.760 mi)
• Average Speed - 180.108 km/h (111.914 mph)

• "Official Results" (PDF). International Motor Sports Association. 1999. Archived from the original (PDF) on 2005-10-16. Retrieved 2007-11-02.
• "American Le Mans Series 1999". World Sports Racing Prototypes. Archived from the original on 2008-09-19.