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The 2003 American Le Mans Series season was the fifth season for the IMSA American Le Mans Series, and the 33rd overall season of the IMSA GT Championship. It was a series for Le Mans Prototypes (LMP) and Grand Touring (GT) race cars divided into 4 classes: LMP900, LMP675, GTS, and GT. It began March 15, 2003, and ended October 18, 2003, after nine races.
Dyson Racing's overall win at Sonoma Raceway was the first time in ALMS history that the overall win was captured by a vehicle not from the LMP900 class.
Schedule
Little was changed between the 2002 and 2003 schedules; the Grand Prix of Washington, D.C., and Mid-Ohio Sports Car Course did not return, but both were instead replaced by the return of the Grand Prix of Atlanta at Road Atlanta. The Grand Prix of Mexico was originally scheduled for April 6 at the Autodromo Hermanos Rodriguez but was canceled due to financial issues.[1]
| Rnd | Race | Circuit | Date |
|---|---|---|---|
| 1 | Mobil 1 12 Hours of Sebring | Sebring International Raceway | March 15 |
| C | Grand Prix of Mexico | Autodromo Hermanos Rodriguez | April 6 |
| 2 | Chevy Grand Prix of Atlanta | Road Atlanta | June 29 |
| 3 | Infineon Grand Prix of Sonoma | Sonoma Raceway | July 27 |
| 4 | Le Grand Prix de Trois-Rivières | Circuit Trois-Rivières | August 3 |
| 5 | Toronto Grand Prix of Mosport | Mosport | August 17 |
| 6 | Road America 500 | Road America | August 24 |
| 7 | Fry's Electronics Sports Car Championships | Mazda Raceway Laguna Seca | September 7 |
| 8 | Grand Prix Americas | Miami street circuit | September 27 |
| 9 | Petit Le Mans | Road Atlanta | October 18 |
| Sources:[2][3] | |||
Season results
Overall winner in bold.
Teams Championship
Points are awarded to the top 10 finishers in the following order:[5]
- 20-16-13-10-8-6-4-3-2-1
Exceptions being for the 12 Hours of Sebring and Petit Le Mans which award the top 10 finishers in the following order:[5]
- 26-22-19-16-14-12-10-9-8-7
Cars failing to complete 70% of the winner's distance are not awarded points. Teams only score the points of their highest finishing entry in each race.
LMP900 Standings
| Pos | Team | Chassis | Engine | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Rd 5 | Rd 6 | Rd 7 | Rd 8 | Rd 9 | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Infineon Team Joest
|
Audi R8 | Audi 3.6L Turbo V8 | 26 | 16 | 20 | 20 | 20 | 13 | 20 | 16 | 19 | 170 |
| 2 |  ADT Champion Racing
|
Audi R8 | Audi 3.6L Turbo V8 | 22 | 20 | 16 | 16 | 10 | 20 | 13 | 20 | 26 | 163 |
| 3 | JML Team Panoz
|
Panoz LMP01 Evo | Élan 6L8 6.0L V8 | 14 | 10 | 10 | 13 | 16 | 16 | 16 | 13 | 22 | 130 |
| 4 | American Spirit Racing
|
Riley & Scott Mk III C | Lincoln 5.0L V8 | 8 | 6 | 8 | 6 | 10 | 8 | 14 | 60 | ||
| 5 | Intersport Racing
|
Lola B2K/10 Riley & Scott Mk III C |
Judd GV4 4.0L V10 Élan 6L8 6.0L V8 |
8 | 6 | 6 | 8 |
8 |
10 |
46 | |||
| 6 | Doran Lista Racing
|
Dallara SP1 | Judd GV5 5.0L V10 | 10 | 13 | 13 | 36 | ||||||
| 7 |  Team Bentley
|
Bentley Speed 8 | Bentley 4.0L Turbo V8 | 19 | 19 | ||||||||
| 8 | Audi Sport UK
|
Audi R8 | Audi 3.6L Turbo V8 | 12 | 12 | ||||||||
| 9 | Taurus Sports Racing
|
Lola B2K/10 | Judd GV4 4.0L V10 | 7 | 7 |