| 5.1.2003 | Daytona Test | 20 | #ZFFYR51B000119073 (000M) | Earle / Atapattu / Shearer / Manfredi | JMB Racing USA Team Ferrari | DNA |
| 5.1.2003 | Daytona Test | 21 | #ZFFYR51B000118459 (007M) | Farfus / Earle / Atapattu / Pescatori | JMB Racing USA Team Ferrari | 21st |
| 5.1.2003 | Daytona Test | 35 | #F131 GT 2006 | Lazzaro / Mowlem / Kelleners / Baldi | Risi Competizione | 19th |
| 2.2.2003 | 24 h Daytona | 20 | #ZFFYR51B000118459 (007M) | Farfus / Collard / Papis / Garbagnati | JMB USA Racing | 14th |
| 2.2.2003 | 24 h Daytona | 22 | #ZFFYR51B000119073 (000M) | Earle | JMB USA Racing | 40th |
| 2.2.2003 | 24 h Daytona | 33 | #2008 | Wagner / Martini / Tremblay / Wellman | Scuderia Ferrari of Washington | 31st |
| 2.2.2003 | 24 h Daytona | 34 | #F131 GT 2018 | Baldi / Keen / van de Poele / Hampton | Ferri Competizione | 11th |
| 2.2.2003 | 24 h Daytona | 35 | #F131 GT 2006 | Kelleners / Lazzaro / Mowlem | Risi Competizione | 2nd |
| 1.3.2003 | 250 mile Homestead | 20 | #ZFFYR51B000118459 (007M) | | JMB Racing USA | DNA |
| 1.3.2003 | 250 mile Homestead | 21 | #ZFFYR51B000119073 (000M) | | JMB Racing USA | DNA |
| 1.3.2003 | 250 mile Homestead | 33 | #2008 | Wagner / Martini | Scuderia Ferrari of Washington | 2nd |
| 1.3.2003 | 250 mile Homestead | 35 | #F131 GT 2006 | Kelleners / Lazzaro | Risi Competizione | DNA |
| 7.3.2003 | FIA GT Test Barcelona | 66 | #ZFFYR51B000119337 | | Yellow Racing | DNA |
| 7.3.2003 | FIA GT Test Barcelona | - | #2032 | Enge / Pergl | MEN-X | 9th |
| 7.3.2003 | FIA GT Test Barcelona | - | #ZFFYR51B000118533 (011M) | Mullen / Davies / Burt / Turner | Team Maranello Concessionaires | 9th |
| 15.3.2003 | 12 h Sebring | 28 | #ZFFYR51B000118459 (007M) | Grégoire / Babini / Pescatori | JMB Racing USA | 15th |
| 15.3.2003 | 12 h Sebring | 29 | #ZFFYR51B000119073 (000M) | Earle / Garbagnati / Manfredi | JMB Racing USA | 27th |
| 15.3.2003 | 12 h Sebring | 34 | #2022 | Franchitti / McGarrity | Risi Competizione | 34th |
| 15.3.2003 | 12 h Sebring | 35 | #F131 GT 2006 | Kelleners / Lazzaro | Risi Competizione | 48th |
| 15.3.2003 | 12 h Sebring | 63 | #F131 GT 2014 | Zacharias / Davis / Lewis | ACEMCO Motorsports | 36th |
| 15.3.2003 | 12 h Sebring | | #F131 GT 2018 | | Risi Competizione | DNE |
| 15.3.2003 | 12 h Sebring | | #F131 GT 2028 | | Acemco Motorsports, LLC | DNE |
| 30.3.2003 | GT Aida | 11 | | Matsuda / Tanaka | Team Gainer | 26th |
| 30.3.2003 | Italian GT Imola | 51 | | Caffi / "Base Up" | Mastercar | 15th/6th |
| 30.3.2003 | Italian GT Imola | 52 | #ZFFYR51B000122578 (010M) | Casè / Monti | Mastercar | 7th/8th |
| 30.3.2003 | Italian GT Imola | 57 | | Chiesa / Kessel | Loris Kessel Racing | 3rd/7th |
| 30.3.2003 | Italian GT Imola | 58 | | Bertolini / Lambertini | JMB Racing | 5th/3rd |
| 6.4.2003 | 500 km Barcelona | 52 | #2004 | Bertolini / de Simone | JMB Racing | 8th |
| 6.4.2003 | 500 km Barcelona | 53 | #ZFFYR51B000118766 (001M) | Kutemann / Gosse | JMB Racing | 20th |
| 6.4.2003 | 500 km Barcelona | 57 | #2032 | Pergl / Enge | MEN-X | 14th |
| 6.4.2003 | 500 km Barcelona | 58 | #2040 | Hiesse / Gomez | Auto Palace Star Rent Competition | 12th |
| 6.4.2003 | 500 km Barcelona | 59 | | de Castro / Camino | EV Racing | DNA |
| 6.4.2003 | 500 km Barcelona | 88 | #2010 | Mullen / Davies | Team Maranello Concessionaires | 9th |
| 6.4.2003 | 500 km Barcelona | 89 | #ZFFYR51B000123510 (015M) | Burt / Turner | Team Maranello Concessionaires | 10th |
| 13.4.2003 | Italian GT Mugello | 51 | | "Base Up" / Moncini | Mastercar | 6th/6th |
| 13.4.2003 | Italian GT Mugello | 52 | #ZFFYR51B000122578 (010M) | Casè / Monti | Mastercar | DNF/DQ |
| 13.4.2003 | Italian GT Mugello | 57 | | Chiesa / Kessel | Loris Kessel Racing | 5th/3rd |
| 13.4.2003 | Italian GT Mugello | 65 | | Ermolli / Sangiuolo | Mastercar | 13th/10th |
| 21.4.2003 | FFSA GT Nogaro | 27 | | Vannelet / Maximin | Auto Palace | - |
| 21.4.2003 | FFSA GT Nogaro | 28 | #2040 | Hiesse / Caly | Auto Palace | 15th/18th |
| 21.4.2003 | FFSA GT Nogaro | 39 | | De Sadeleer / Malcher | JMB Racing | DNF/DNS |
| 21.4.2003 | FFSA GT Nogaro | 84 | | Nouvel / Tramelli | Promo Concept Racing | 47th/40th |
| 21.4.2003 | FFSA GT Nogaro | 91 | | Vannelet / Maximin | Auto Palace | DNF/DNF |
| 27.4.2003 | Spanish GT Albacete | 21 | | Cerqueda / Pérez-Sala | Gabord Competicion | 9th/11th |
| 27.4.2003 | Spanish GT Albacete | 22 | | Saez-Merino / Ugalde Mortal | Circuito Comunidad Valenciana | DNF/10th |
| 27.4.2003 | Spanish GT Albacete | 23 | | Puig / Vinyes | Gabord Competicion | 8th/7th |
| 27.4.2003 | Spanish GT Albacete | 24 | | Watson / De Mollinedo | Club Motor Circuito de Jerez | 16th/16th |
| 27.4.2003 | Spanish GT Albacete | 25 | | Goiburu / Costa | TC Racing | 10th/8th |
| 27.4.2003 | 500 km Magny-Cours | 52 | #2004 | Bertolini / de Simone | JMB Racing | 12th |
| 27.4.2003 | 500 km Magny-Cours | 53 | #ZFFYR51B000118766 (001M) | Kutemann / Gosse | JMB Racing | 18th |
| 27.4.2003 | 500 km Magny-Cours | 57 | #2032 | Enge / Pergl | MENX | DNF |
| 27.4.2003 | 500 km Magny-Cours | 58 | #2040 | Gomez / Hiesse | Auto Palace Star Rent Competition | 8th |
| 27.4.2003 | 500 km Magny-Cours | 59 | | | EV Racing | DNA |
| 27.4.2003 | 500 km Magny-Cours | 66 | #ZFFYR51B000119337 | Fabio Vernier | Yellow Racing | DNA |
| 27.4.2003 | 500 km Magny-Cours | 88 | #2010 | Mullen / Davies | Team Maranello Concessionaires | 6th |
| 27.4.2003 | 500 km Magny-Cours | 89 | #ZFFYR51B000123510 (015M) | Burt / Turner | Team Maranello Concessionaires | DQ |
| 3.5.2003 | 250 mile Phoenix | 33 | #2008 | Wagner / Martini | Ferrari of Washington | 2nd |
| 4.5.2003 | 500 km Fuji | 11 | | Matsuda / Tanaka | Team Gainer | 15th |
| 4.5.2003 | SM GTR Falkenberg | 30 | #ZFFY251B00011466 | Kari Mäkinen | Kumho Euroracing | 2nd/2nd |
| 4.5.2003 | Le Mans Test | 70 | #ZFFYR51B000119073 (000M) | Terrien / Babini / de Simone | JMB Racing | 43rd |
| 4.5.2003 | Le Mans Test | 94 | #F131 GT 2006 | Kelleners / Borcheller / Lazzaro | Risi Competizione/G. Risi | 39th |
| 4.5.2003 | Le Mans Test | 95 | #F131 GT 2014 | Leitzinger / Mowlem / Lewis | Risi Competizione/G. Risi | 41st |
| 11.5.2003 | British GT Knockhill | 42 | | Bartlett / Lester | Glenvarigill Racing | 14th |
| 11.5.2003 | 500 km Pergusa | 52 | #2004 | Bertolini / de Simone | JMB Racing | 8th |
| 11.5.2003 | 500 km Pergusa | 53 | #ZFFYR51B000118766 (001M) | Gosse / Kutemann | JMB Racing | 14th |
| 11.5.2003 | Italian GT Misano | 57 | | Chiesa / Kessel | Loris Kessel Racing | 4th/5th |
| 11.5.2003 | 500 km Pergusa | 57 | #2032 | Pergl / Enge | MENX | DNF |
| 11.5.2003 | 500 km Pergusa | 58 | #ZFFYR51B000123037 (009M) | Hiesse / Gomez | Auto Palace Star Rent Competition | DNF |
| 11.5.2003 | 500 km Pergusa | 88 | #2010 | Mullen / Davies | Team Maranello Concessionaires | 15th |
| 11.5.2003 | 500 km Pergusa | 89 | #ZFFYR51B000123510 (015M) | Turner / Burt | Team Maranello Concessionaires | 16th |