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The 2003 1000 km of Spa was the sixth race for the 2003 FIA Sportscar Championship season (running under SR1 and SR2 classes) and the ninth race for the 2003 British GT Championship season (running under GTO and GT Cup classes), running in combination at the Circuit de Spa-Francorchamps. It took place on August 31, 2003.^[1]

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	SR1	25	Audi Sport Japan Team Goh	Tom Kristensen Seiji Ara	Audi R8	M	144
					Audi 3.6L Turbo V8
2	SR1	16	Pescarolo Sport	Franck Lagorce Stéphane Sarrazin	Courage C60	G	140
					Peugeot A32 3.2L Turbo V6
3	SR1	2	Racing for Holland	Beppe Gabbiani Felipe Ortiz	Dome S101	D	138
					Judd GV4 4.0L V10
4	SR1	6	Taurus Sports Racing	Justin Keen Giovanni Lavaggi Larry Oberto	Lola B2K/10	D	138
					Judd GV4 4.0L V10
5	SR2	52	Lucchini Engineering	Mirko Savoldi Piergiuseppe Peroni Filippo Francioni	Lucchini SR2002	A	129
					Nissan (AER) VQL 3.0L V6
6	GTO	122	Rollcentre Racing	Martin Short Tom Herridge João Barbosa	Mosler MT900R	D	127
					Chevrolet LS1 5.7L V8
7	SR2	63	Equipe Palmyr	Philippe Favre Christophe Ricard	Lucchini SR2000	A	127
					Alfa Romeo 3.0L V6
8	GTO	133	Balfe Motorsport	Shaun Balfe Jamie Derbyshire Thomas Erdos	Mosler MT900R	D	127
					Chevrolet LS1 5.7L V8
9	GTO	192	DeWALT Motorsport Salisbury	Rob Barff Richard Hay Michael Caine	TVR Tuscan T400R	D	126
					TVR Speed Six 4.0L I6
10	Guest	121	Belgian Racing	Renaud Kuppens Sébastien Ugeux	Gillet Vertigo Streiff	D	123
					Alfa Romeo 3.6L V6
11	GTO	123	Peninsula TVR Racesport	John Hartshorne Daniel Eagling Graeme Mundy	TVR Tuscan T400R	D	122
					TVR Speed Six 4.0L I6
12	GTO	169	Eclipse Motorsport	Piers Johnson Simon Pullan Shane Lynch	TVR Tuscan T400R	D	121
					TVR Speed Six 4.0L I6
13	Guest	110	Christophe Lemée Riverside	Christophe Lemée Jonathan Cochet Jean-François Hemroulle	Lamborghini Diablo GTR	P	120
					Lamborghini 6.0L V12
14	GTO	150	Xero Competition	Ricky Cole Paula Cook Peter Le Bas	Chevrolet Corvette LM-GT	D	120
					Chevrolet LS1 5.7L V8
15	GT Cup	177	GruppeM / Tech9 Motorsport	Liz Halliday Amanda Stretton Tom Shrimpton	Porsche 996 GT3 Cup	D	117
					Porsche 3.6L Flat-6
16	GTO	140	Point Preparation	Franck Pelle Peter Cook	Porsche 911 Turbo	D	116
					Porsche 3.6L Turbo Flat-6
17	GTO	120	Master Motorsport Damax	Nick Adams Marco Attard Steven Brady Robin Ward	Ferrari 360 Modena N-GT	D	116
					Ferrari 3.6L V8
18	GT Cup	146	Team Aero	Keith Ahlers Rob Wells Christian Bock	Morgan Aero 8-R	D	114
					BMW (Mader) 4.0L V8
19	GT Cup	166	Richard Thorne Motorsport	Adam Sharpe Aaron Scott Neil Cunningham	Morgan Aero 8-R	D	114
					BMW (Mader) 4.0L V8
20	GTO	111	Graham Nash Motorsport	Armand Fumal Manfred Jurasz Mauro Casadei	Porsche 996 GT3-R	D	109
					Porsche 3.6L Flat-6
21	GT Cup	147	Atlanta Motorsport	Rob Croydon Rob Durrant Andy Ward	Renault Clio V6	D	100
					Renault 3.0L V6
NC	GTO	127	CDL Racing	Steve Hyde Gareth Evans Carl Hansen	TVR Tuscan T400R	D	93
					TVR Speed Six 4.0L I6
NC	GT Cup	143	Scuderia Grifo Corse	Michelangelo Segatori Walter Colacino	Lotus Elise Sport 200	D	93
					Rover K18 1.8L I4
NC	SR2	99	PiR Compétition	Pierre Bruneau Marc Rostan	Pilbeam MP84	A	90
					Nissan (AER) VQL 3.0L V6
DNF	SR1	5	RN Motorsport	Andy Wallace Hayanari Shimoda	DBA4 03S	D	104
					Zytek ZG348 3.4L V8
DNF	GT Cup	176	Gruppe M / Tech9 Motorsport	Patrick Pearce Bob Berridge Matt Griffin	Porsche 996 GT3 Cup	D	87
					Porsche 3.6L Flat-6
DNF	GTO	191	DeWALT Motorsport Salisbury	Lee Caroline Mike Jordan Richard Stanton	TVR Tuscan T400R	D	84
					TVR Speed Six 4.0L I6
DNF	GT Cup	144	ISL Motorsport	Stuart Turvey Alan Bonner Alun Edwards	Marcos Mantis	D	63
					Ford 4.6L V8
DNF	Guest	130	Marcos Racing International	Cor Euser Jos Menten Calum Lockie	Marcos Mantara LM600	D	62
					Chevrolet 7.0L V8
DNF	GT Cup	142	Glenvarigill Racing	Hector Lester Keith Robinson John Greasley	Ferrari 360 Modena Challenge	D	61
					Ferrari 3.6L V8
DNF	SR2	61	Team Jota	Sam Hignett Nigel Taylor John Stack	Pilbeam MP84	A	60
					Nissan (AER) VQL 3.0L V6
DNF	GT Cup	149	Brunswick Endurance Racing	Peter Cate Rupert Bullock Graham Saunders	Lotus Elise	D	48
					Rover K18 1.8L I4
DNF	SR2	55	GP Racing	Gianni Collini Fabio Mancini Massimo Saccomanno	Lucchini SR2001	A	43
					Alfa Romeo 3.0L V6
DNF	SR1	1	Racing for Holland	Jan Lammers John Bosch	Dome S101	D	42
					Judd GV4 4.0L V10
DNF	GT Cup	129	GulfAir Racing	Steve Wood Mark Sumpter Stuart Scott	Volkswagen Golf GTI	D	38
					Volkswagen 1.8L Turbo I4

• Pole Position - #25 Audi Sport Japan Team Goh - 2:14.889
• Fastest Lap - #25 Audi Sport Japan Team Goh - 2:18.074
• Average Speed - 172.558 km/h