1978 IMSA GT Championship season Schedule Schedule

| Race | Length_ | Class_ | Circuit | Date_ |
|---|---|---|---|---|
| Camel GT Mid-Ohio 250 | mi (km) | All | Mid-Ohio Sports Car Course | August 27 |
| Arthur Montgomery 100 | mi (km) | GTU | Road Atlanta | September 4 |
| Arthur Montgomery 100 | mi (km) | GTX/GTO | Road Atlanta | September 4 |
| Camel GT Daytona 250 | mi (km) | All | Daytona International Speedway | November 26 |