2005 American Le Mans Series
Rnd Race Circuit Date
1 Mobil 1 12 Hours of Sebring Sebring Raceway March 19
2 Sportsbook.com Grand Prix of Atlanta Road Atlanta April 17
3 American Le Mans at Mid-Ohio Mid-Ohio May 22
4 New England Grand Prix Lime Rock Park July 4
5 Infineon Grand Prix of Sonoma Infineon Raceway July 17
6 Portland Grand Prix Portland International Raceway July 30
7 Generac 500 at Road America Road America August 21
8 Grand Prix of Mosport Mosport September 4
9 Petit Le Mans Road Atlanta October 1
10 Monterey Sports Car Championships Mazda Raceway Laguna Seca October 16
Schedule
The schedule change from 2004 to 2005 was minimal , with only one event being added to the existing schedule . The Grand Prix of Atlanta returned once more , once again shortly after the 12 Hours of Sebring .
The 2005 American Le Mans Series season was the 35th season for the IMSA GT Championship, with it being the fifth under the American Le Mans Series moniker. It was a series for Le Mans Prototypes (LMP) and Grand Touring (GT) race cars divided into 4 classes: LMP1, LMP2, GT1, and GT2. It began March 19, 2005 and ended October 16, 2005 after 10 races.