Schedule
| Rnd | Race | Length | Circuit | Date |
|---|---|---|---|---|
| 1 | Superflo 12 Hours of Sebring | 12 Hours | Sebring International Raceway | March 20 |
| 2 | Grand Prix of Atlanta | 2 Hours 45 Minutes | Road Atlanta | April 18 |
| 3 | Grand Prix of Mosport | 2 Hours 45 Minutes | Mosport Park | June 27 |
| 4 | Grand Prix of Sonoma | 2 Hours 45 Minutes | Sears Point Raceway | July 25 |
| 5 | Rose City Grand Prix | 2 Hours 45 Minutes | Portland International Raceway | August 1 |
| 6 | Petit Le Mans | 1000 Miles or 10 Hours | Road Atlanta | September 18 |
| 7 | Sports Car Championships | 2 Hours 45 Minutes | Laguna Seca Raceway | October 10 |
| 8 | Grand Prix of Las Vegas | 2 Hours 45 Minutes | Las Vegas Motor Speedway | November 7 |
Read more about this topic: 1999 American Le Mans Series Season