Kalender IMSA WeatherTech SportsCar Championship 2019
| Datum | Meeting | Locatie |
|---|---|---|
| 04-01-2019 06-01-2019 | The Roar before the Rolex 24 IWSC | Daytona International Speedway |
| 24-01-2019 27-01-2019 | Rolex 24 at Daytona IWSC | Daytona International Speedway |
| 13-03-2019 16-03-2019 | Mobil 1 12 Hours of Sebring IWSC | Sebring International Raceway |
| 12-04-2019 13-04-2019 | Long Beach IWSC | Long Beach Road Course |
| 03-05-2019 05-05-2019 | Mid-Ohio IWSC | Mid-Ohio Sports Car Course |
| 31-05-2019 01-06-2019 | Detroit IWSC | Detroit Belle Isle Circuit |
| 27-06-2019 30-06-2019 | 6H Watkins Glen IWSC | Watkins Glen International |
| 05-07-2019 07-07-2019 | SportsCar Grand Prix IWSC | Canadian Tire Motorsport Park |
| 19-07-2019 20-07-2019 | Lime Rock Park IWSC | Lime Rock Park |
| 02-08-2019 04-08-2019 | Road America IWSC | Road America |
| 23-08-2019 25-08-2019 | Michelin GT Challenge IWSC | Virginia International Raceway |
| 13-09-2019 15-09-2019 | Laguna Seca IWSC | Mazda Raceway Laguna Seca |
| 09-10-2019 12-10-2019 | Petit Le Mans IWSC | Road Atlanta |
Frank Beliën