2003 Road America 500

Class winners in bold. Cars failing to complete 75% of winner's distance marked as Not Classified (NC).

Pos	Class	No	Team	Drivers	Chassis	Tyre	Laps
					Engine
1	LMP900	38	ADT Champion Racing	Johnny Herbert JJ Lehto	Audi R8	M	79
					Audi 3.6L Turbo V8
2	LMP675	20	Dyson Racing	Chris Dyson Andy Wallace	MG-Lola EX257	G	78
					MG (AER) XP20 2.0L Turbo I4
3	LMP900	10	JML Team Panoz	Olivier Beretta David Saelens	Panoz LMP01 Evo	M	78
					Élan 6L8 6.0L V8
4	GTS	80	Prodrive	David Brabham Jan Magnussen	Ferrari 550-GTS Maranello	M	75
					Ferrari 5.9L V12
5	GTS	3	Corvette Racing	Ron Fellows Johnny O'Connell	Chevrolet Corvette C5-R	G	75
					Chevrolet 7.0L V8
6	GTS	88	Prodrive	Tomáš Enge Peter Kox	Ferrari 550-GTS Maranello	M	74
					Ferrari 5.9L V12
7	LMP900	1	Infineon Team Joest	Marco Werner Frank Biela	Audi R8	M	73
					Audi 3.6L Turbo V8
8	GTS	0	Team Olive Garden	Emanuele Naspetti Mimmo Schiattarella	Ferrari 550 Maranello	P	73
					Ferrari 6.0L V12
9	GTS	4	Corvette Racing	Kelly Collins Oliver Gavin	Chevrolet Corvette C5-R	G	73
					Chevrolet 7.0L V8
10	LMP900	11	JML Team Panoz	Benjamin Leuenberger Gunnar Jeannette	Panoz LMP01 Evo	M	73
					Élan 6L8 6.0L V8
11	GTS	2	Konrad Motorsport	Franz Konrad Wolfgang Kaufmann	Saleen S7-R	D	73
					Ford 7.0L V8
12	LMP900	30	Intersport Racing	Clint Field Rick Sutherland	Riley & Scott Mk III C	D	72
					Élan 6L8 6.0L V8
13	GT	31	Petersen Motorsports White Lightning Racing	Craig Stanton Johnny Mowlem	Porsche 911 GT3-RS	M	72
					Porsche 3.6L Flat-6
14	LMP900	12	American Spirit Racing	Michael Lewis Tomy Drissi	Riley & Scott Mk III C	D	72
					Lincoln (Élan) 5.0L V8
15	GT	66	The Racer's Group	Kevin Buckler Cort Wagner	Porsche 911 GT3-RS	M	71
					Porsche 3.6L Flat-6
16	GT	33	ZIP Racing	Andy Lally Spencer Pumpelly	Porsche 911 GT3-RS	D	71
					Porsche 3.6L Flat-6
17	GT	23	Alex Job Racing	Lucas Luhr Sascha Maassen	Porsche 911 GT3-RS	M	71
					Porsche 3.6L Flat-6
18	GT	67	The Racer's Group	Michael Schrom Pierre Ehret	Porsche 911 GT3-RS	M	70
					Porsche 3.6L Flat-6
19	GT	52	Seikel Motorsport	Philip Collin John Lloyd	Porsche 911 GT3-RS	Y	70
					Porsche 3.6L Flat-6
20	GT	68	The Racer's Group	Marc Bunting Chris Gleason	Porsche 911 GT3-RS	M	70
					Porsche 3.6L Flat-6
21	GT	63	ACEMCO Motorsports	Terry Borcheller Shane Lewis	Ferrari 360 Modena GTC	Y	69
					Ferrari 3.6L V8
22	GT	79	J3 Racing	David Murry Justin Jackson	Porsche 911 GT3-RS	M	69
					Porsche 3.6L Flat-6
23	GT	61	P.K. Sport	Piers Masarati Vic Rice	Porsche 911 GT3-R	P	69
					Porsche 3.6L Flat-6
24	GT	42	Orbit Racing	Leo Hindery Joe Policastro Joe Policastro Jr.	Porsche 911 GT3-RS	M	68
					Porsche 3.6L Flat-6
25	LMP675	18	Essex Racing	James Gue Jason Workman	Lola B2K/40	P	68
					Nissan (AER) VQL 3.0L V6
26	LMP675	64	Downing Atlanta Inc.	Jim Downing Howart Katz	WR LMP-02	D	67
					Mazda R26B 2.6L 4-Rotor
27	GTS	17	Carsport America	Tom Weickardt Joe Ellis Romeo Kapudija	Dodge Viper GTS-R	P	64
					Dodge 8.0L V8
28	LMP675	37	Intersport Racing	Jon Field Duncan Dayton	MG-Lola EX257	G	60
					MG (AER) XP20 2.0L Turbo I4
29	LMP675	56	Team Bucknum Racing	Jeff Bucknum Bryan Willman Chris McMurry	Pilbeam MP91	D	59
					Willman (JPX) 3.4L V6
30 DNF	GT	35	Risi Competizione	Anthony Lazzaro Ralf Kelleners	Ferrari 360 Modena GTC	M	57
					Ferrari 3.6L V8
31 NC	GT	24	Alex Job Racing	Jörg Bergmeister Timo Bernhard	Porsche 911 GT3-RS	M	57
					Porsche 3.6L Flat-6
32 DNF	GT	60	P.K. Sport	Robin Liddell Alex Davison	Porsche 911 GT3-RS	P	51
					Porsche 3.6L Flat-6
33 DNF	GT	43	Orbit Racing	Marc Lieb Peter Baron	Porsche 911 GT3-RS	M	37
					Porsche 3.6L Flat-6
34 DNF	GT	29	JMB Racing USA	Peter Kutemann Philip Shearer	Ferrari 360 Modena GTC	P	26
					Ferrari 3.6L V8
35 DNF	GT	28	JMB Racing USA	Stéphane Grégoire Iradj Alexander	Ferrari 360 Modena GTC	P	26
					Ferrari 3.6L V8
36 DNF	LMP675	16	Dyson Racing	Butch Leitzinger James Weaver	MG-Lola EX257	G	8
					MG (AER) XP20 2.0L Turbo I4
DNS	GTS	71	Carsport America	Jeff Altenburg Jean-Philippe Belloc	Dodge Viper GTS-R	P	-
					Dodge 8.0L V10

• Pole Position - #1 Infineon Team Joest - 1:52.265
• Fastest Lap - #1 Infineon Team Joest - 1:54.613
• Distance - 514.655 km
• Average Speed - 185.623 km/h

• "Official Results" (PDF). Archived from the original (PDF) on February 10, 2012. Retrieved October 21, 2007. (30.3 KiB)
• Race Results