| 3.8.2003 | Special GT Cup Fuji | 11 | | Matsuda / Tanaka | Team Gainer | 37th |
| 3.8.2003 | 3 h Trois-Rivières | 28 | #ZFFYR51B000118459 (007M) | Pescatori / Grégoire | JMB Racing USA/Team Ferrari | 26th |
| 3.8.2003 | 3 h Trois-Rivières | 29 | #ZFFYR51B000119073 (000M) | Ludovico Manfredi | JMB Racing USA/Team Ferrari | DNA |
| 3.8.2003 | 3 h Trois-Rivières | 63 | #F131 GT 2028 | Lewis / Borcheller | Acemco Motorsports, LLC | 15th |
| 8.8.2003 | 250 mile Watkins Glen | 07 | #ZFFYR51B000118981 | Jennings / Black | Preferred Path | DNA |
| 8.8.2003 | 250 mile Watkins Glen | 33 | #2036 | Wagner / Martini | Scuderia Ferrari of Washington | 5th |
| 17.8.2003 | 2 h 45 min Mosport | 28 | #ZFFYR51B000118459 (007M) | Alexander / Grégoire / Salazar | JMB Racing USA/Team Ferrari | 19th |
| 17.8.2003 | 2 h 45 min Mosport | 29 | #ZFFYR51B000119349 (003M) | Gosse / Kutemann | JMB Racing USA/Team Ferrari | 25th |
| 17.8.2003 | SM GTR Gellerasen | 30 | #ZFFY251B00011466 | Kari Mäkinen | Kumho Euroracing | 4th/3rd |
| 17.8.2003 | 2 h 45 min Mosport | 32 | #F131 GT 2018 | Bertolini / Baldi | Ferri Competizione | 16th |
| 17.8.2003 | 2 h 45 min Mosport | 34 | #2022 | Mauro Baldi | Risi Competizione | DNA |
| 17.8.2003 | 2 h 45 min Mosport | 35 | #F131 GT 2006 | Kelleners / Lazzaro | Risi Competizione | 10th |
| 17.8.2003 | 2 h 45 min Mosport | 63 | #F131 GT 2028 | Lewis / Borcheller | Acemco Motorsports, LLC | 17th |
| 17.8.2003 | British GT Thruxton | 88 | | Mullen / Kirkaldy | Veloqx Motorsport | 2nd |
| 24.8.2003 | 2 h 45 min Road America | 28 | #ZFFYR51B000118459 (007M) | Alexander / Grégoire | JMB Racing USA/Team Ferrari | 35th |
| 24.8.2003 | 2 h 45 min Road America | 29 | #ZFFYR51B000119349 (003M) | Shearer / Kutemann | JMB Racing USA/Team Ferrari | 34th |
| 24.8.2003 | 2 h 45 min Road America | 35 | #F131 GT 2006 | Kelleners / Lazzaro | Risi Competizione | 30th |
| 24.8.2003 | 2 h 45 min Road America | 63 | #F131 GT 2028 | Lewis / Borcheller | Acemco Motorsports, LLC | 21st |
| 25.8.2003 | 1000 km Suzuka | 11 | | Matsuda / Tanaka | Team Gainer | DNF |
| 31.8.2003 | SM GTR Knutstorp | 30 | #ZFFY251B00011466 | Kari Mäkinen | Kumho Euroracing | 4th/4th |
| 31.8.2003 | 1000 km Spa | 120 | #ZFFYR51B000115767 | Adams / Attard / Brady / Ward | Steven Brady | 17th |
| 31.8.2003 | 1000 km Spa | 142 | #ZFFYR51B000127261 | Robinson / Lester / Greasley | Hector Lester | DNF |
| 7.9.2003 | 2 h 45 min Laguna Seca | 28 | #ZFFYR51B000118459 (007M) | Alexander / Grégoire / Salazar | JMB Racing USA/Team Ferrari | 18th |
| 7.9.2003 | 2 h 45 min Laguna Seca | 29 | #ZFFYR51B000119349 (003M) | Earle / Neuhaus | JMB Racing USA/Team Ferrari | 25th |
| 7.9.2003 | 2 h 45 min Laguna Seca | 35 | #F131 GT 2006 | Lazzaro / Kelleners | Risi Competizione | 13th |
| 7.9.2003 | 500 km Anderstorp | 52 | #2004 | Bertolini / de Simone | JMB Racing | 17th |
| 7.9.2003 | 500 km Anderstorp | 53 | #ZFFYR51B000118766 (001M) | Kutemann / Gosse | JMB Racing | 18th |
| 7.9.2003 | 500 km Anderstorp | 57 | #2032 | Pergl / Janiš | Menx | 13th |
| 7.9.2003 | 2 h 45 min Laguna Seca | 63 | #F131 GT 2028 | Lewis / Borcheller | Acemco Motorsports, LLC | 19th |
| 7.9.2003 | 500 km Anderstorp | 88 | #ZFFYR51B000123510 (015M) | Turner / Davies | Team Maranello Concessionaires | 9th |
| 7.9.2003 | 500 km Anderstorp | 89 | #2010 | Mullen / Burt | Team Maranello Concessionaires | DNF |
| 14.9.2003 | Motegi GT | 11 | | Matsuda / Tanaka | Team Gainer | DNF |
| 14.9.2003 | Spanish GT Valencia | 21 | | Cerqueda / Pérez-Sala | Gabord Competicion | 12th/8th |
| 14.9.2003 | Spanish GT Valencia | 22 | | Saez-Merino / Ugalde Mortal | Circuito Comunidad Valenciana | 8th/12th |
| 14.9.2003 | Spanish GT Valencia | 23 | | Puig / Bosch | Gabord Competicion | 11th/15th |
| 14.9.2003 | Spanish GT Valencia | 24 | | Watson / De Mollinedo | Club Motor Circuito De Jerez | 15th/DNF |
| 14.9.2003 | Spanish GT Valencia | 25 | | Goiburu / Costa | Antonio Cano | 9th/7th |
| 21.9.2003 | 6 h Mont-Tremblant | 33 | #2036 | Wagner / Martini | Scuderia Ferrari of Washington | 3rd |
| 21.9.2003 | 500 km Oschersleben | 52 | #2004 | Bertolini / de Simone | JMB Racing | 5th |
| 21.9.2003 | Italian GT Vallelunga | 52 | #ZFFYR51B000122578 (010M) | Monti / Montermini | Mastercar SRL | 3rd/2nd |
| 21.9.2003 | 500 km Oschersleben | 53 | #ZFFYR51B000118766 (001M) | Kutemann / Gosse | JMB Racing | DNF |
| 21.9.2003 | 500 km Oschersleben | 57 | #2032 | Enge / Pergl | Menx | 18th |
| 21.9.2003 | Italian GT Vallelunga | 57 | | Kessel / Chiesa | Loris Kessel Racing | 4th/11th |
| 21.9.2003 | 500 km Oschersleben | 58 | #2040 | | Auto Palace | DNA |
| 21.9.2003 | Italian GT Vallelunga | 83 | | Bortignon / Bertoli | Mastercar SRL | 8th/5th |
| 21.9.2003 | 6 h Mont-Tremblant | 86 | #2024 | Stroll | Falcon Racing | 21st |
| 21.9.2003 | 500 km Oschersleben | 88 | #ZFFYR51B000123510 (015M) | Turner / Davies | Team Maranello Concessionaires | 6th |
| 21.9.2003 | 500 km Oschersleben | 89 | #2010 | Burt / Mullen | Team Maranello Concessionaires | 7th |
| 27.9.2003 | 2 h 45 min Miami | 28 | #ZFFYR51B000118459 (007M) | Grégoire / Salazar | JMB Racing USA | 14th |
| 27.9.2003 | 2 h 45 min Miami | 29 | #ZFFYR51B000119349 (003M) | Earle / Neuhaus | JMB Racing USA | 25th |
| 27.9.2003 | 2 h 45 min Miami | 35 | #F131 GT 2006 | Kelleners / Lazzaro | Risi Competizione | 9th |
| 27.9.2003 | 2 h 45 min Miami | 63 | #F131 GT 2028 | Lewis / Borcheller | Acemco Motorsports, LLC | 18th |
| 28.9.2003 | FFSA GT Lédenon | 27 | | Emeric / Maximin | Auto Palace | - |
| 28.9.2003 | FFSA GT Lédenon | 28 | #2040 | Hiesse / Caly | Auto Palace | 18th/9th |
| 28.9.2003 | SM GTR Mantorp Park | 30 | #ZFFY251B00011466 | Kari Mäkinen | Kumho Euroracing | 7th/DNF |
| 28.9.2003 | British GT Brands Hatch | 35 | | Adams / Attard | Damax | 12th |
| 28.9.2003 | British GT Brands Hatch | 42 | | Lester / Robinson | Glenvarigill | 10th |
| 28.9.2003 | British GT Brands Hatch | 48 | | McWhirter / Simms | Virgo Motorsport | 14th |
| 28.9.2003 | FFSA GT Lédenon | 84 | | Nouvel / Wozniak | PCR/VDO | 29th/19th |
| 28.9.2003 | FFSA GT Lédenon | 91 | | Mangifesta / Prette | Auto Palace | 27th/26th |
| 5.10.2003 | 400 km Virginia | 28 | #ZFFYR51B000122917 | Segal / Wilson / Hyman | Scuderia Ferrari of Washington | 14th |
| 5.10.2003 | 400 km Virginia | 33 | #2036 | Wagner / Martini | Scuderia Ferrari of Washington | 5th |
| 5.10.2003 | 500 km Estoril | 52 | #2004 | Bertolini / de Simone | JMB Racing | 8th |
| 5.10.2003 | 500 km Estoril | 53 | #ZFFYR51B000118766 (001M) | Gosse / Kutemann | JMB Racing | 19th |
| 5.10.2003 | 500 km Estoril | 57 | #2032 | Pergl / Janiš | Menx | 13th |
| 5.10.2003 | 500 km Estoril | 58 | #2040 | | Auto Palace | DNA |
| 5.10.2003 | 500 km Estoril | 70 | #ZFFYR51B000119337 | Névoa / Venier | Yellow Racing | DNF |
| 5.10.2003 | 500 km Estoril | 88 | #ZFFYR51B000123510 (015M) | Turner / Davies | Team Maranello Concessionaires | 9th |
| 5.10.2003 | 500 km Estoril | 89 | #2010 | Mullen / Burt | Team Maranello Concessionaires | 17th |
| 12.10.2003 | Spanish GT Jerez | 20 | #ZFFYR51B000122578 (010M) | Engelorn / Montermini | Mastercar | 4th/DNF |
| 12.10.2003 | Spanish GT Jerez | 21 | | Cerqueda / Pérez-Sala | Gabord Competicion | 10th/9th |
| 12.10.2003 | Spanish GT Jerez | 22 | | Saez-Merino / Ugalde Mortal | Circuito Comunidad Valenciana | DNS/5th |
| 12.10.2003 | Spanish GT Jerez | 23 | | Puig / Vinyes | Gabord Competicion | 12th/7th |
| 12.10.2003 | Spanish GT Jerez | 24 | | Watson / De Mollinedo | Club Motor Circuito De Jerez | 16th/10th |
| 12.10.2003 | Spanish GT Jerez | 25 | | Goiburu / Costa | Antonio Cano | 8th/12th |
| 18.10.2003 | Petit Le Mans | 28 | #ZFFYR51B000118459 (007M) | Grégoire / Earle / Shearer | JMB Racing USA | DNS |
| 18.10.2003 | Petit Le Mans | 29 | #ZFFYR51B000119073 (000M) | Alexander / Salazar / Earle / Shearer / Neuhaus | JMB Racing USA | DNA |
| 18.10.2003 | Petit Le Mans | 35 | #F131 GT 2006 | Kelleners / Lazzaro | Risi Competizione | 13th |
| 18.10.2003 | Petit Le Mans | 63 | #F131 GT 2028 | Law / Lewis / Borcheller | Acemco Motorsports, LLC | 18th |
| 19.10.2003 | 500 km Monza [GT] | 52 | #2004 | Bertolini / de Simone | JMB Racing | 9th |
| 19.10.2003 | 500 km Monza [GT] | 53 | #ZFFYR51B000118766 (001M) | Kutemann / Gosse | JMB Racing | 15th |
| 19.10.2003 | 500 km Monza [GT] | 57 | #2032 | Pergl / Janiš | Menx | DNF |
| 19.10.2003 | 500 km Monza [GT] | 58 | #2040 | Hiesse / Ermolli | Auto Palace | 24th |
| 19.10.2003 | 500 km Monza [GT] | 70 | #ZFFYR51B000119337 | Venier / Cochet | Yellow Racing Team | DNS |
| 19.10.2003 | 500 km Monza [GT] | 71 | #ZFFYR51B000122578 (010M) | Bertoli / "Base Up" / Montermini | Mastercar | DNF |
| 19.10.2003 | 500 km Monza [GT] | 88 | #ZFFYR51B000123510 (015M) | Turner / Davies | Team Maranello Concessionaires | 19th |
| 19.10.2003 | 500 km Monza [GT] | 89 | #2010 | Burt / Mullen | Team Maranello Concessionaires | NC |
| 26.10.2003 | Autopolis GT | 11 | | Matsuda / Tanaka | Team Gainer | 15th |
| 26.10.2003 | FFSA GT Magny-Cours | 27 | | Maximin / Emeric | Auto Palace | - |
| 26.10.2003 | FFSA GT Magny-Cours | 28 | #2040 | Muller / Hiesse | Auto Palace | DNF/31st |
| 26.10.2003 | FFSA GT Magny-Cours | 84 | | Voilette / Wozniak | PCR/VDO | 40th/DNS |
| 26.10.2003 | FFSA GT Magny-Cours | 91 | | Mangifesta / Prette | Auto Palace | 39th/23rd |
| 2.11.2003 | 3 h Daytona | 04 | #2008 | West / Ash, Jr. | Scuderia Ferrari of Washington | 24th |
| 2.11.2003 | 3 h Daytona | 33 | #2036 | Wagner / Martini | Scuderia Ferrari of Washington | 7th |
| 2.11.2003 | 3 h Daytona | 88 | #ZFFYR51B000118536 | Assentato / Longhi | Scuderia Ferrari of Washington | 14th |
| 9.11.2003 | Spanish GT Barcelona | 21 | | Cerqueda / Pérez-Sala | Gabord Competicion | 19th |
| 9.11.2003 | Spanish GT Barcelona | 22 | | Saez-Merino / Ugalde Mortal | Circuito Comunidad Valenciana | 22nd |
| 9.11.2003 | Spanish GT Barcelona | 23 | | Puig / Vinyes | Gabord Competicion | 17th |
| 9.11.2003 | Spanish GT Barcelona | 25 | | Goiburu / Costa | Antonio Cano | 24th |
| 9.11.2003 | Spanish GT Barcelona | 54 | | Harmsen / Schaefer | Holger Harmsen | 28th |