1988 IMSA GT Championship
The 1988 Camel GT Championship season was the 18th season of the IMSA GT Championship auto racing series. It was for GTP and Lights classes of prototypes, as well as Grand Tourer-style racing cars which ran in the GTO and GTU classes. It began January 30, 1988, and ended October 23, 1988, after seventeen rounds.
Schedule
The GT and Prototype classes did not participate in all events, nor did they race together at shorter events. Races marked as GT featured both GTO and GTU classes combined. Races marked with All had all classes on track at the same time.| Rnd | Race | Length | Class | Circuit | Date |
| 1 | SunBank 24 at Daytona | 24 Hours | All | Daytona International Speedway | January 30 January 31 |
| 2 | Grand Prix of Miami | 3 Hours | Proto | Streets of Miami | February 28 |
| 2 | Grand Prix of Miami | 40 Minutes | GTU | Streets of Miami | February 28 |
| 3 | Coca-Cola 12 Hours of Sebring | 12 Hours | All | Sebring International Raceway | March 19 |
| 4 | Atlanta Journal-Constitution Grand Prix | 500 km | Proto | Road Atlanta | April 10 |
| 5 | Grand Prix of Palm Beach | 3 Hours | Proto | West Palm Beach street course | April 24 |
| 5 | Grand Prix of Palm Beach | 1 Hour | GTO | West Palm Beach street course | April 24 |
| 6 | Mid-Atlantic Toyota Grand Prix | 3 Hours | GT | Summit Point Raceway | May 22 |
| 7 | Lime Rock Grand Prix | 150 Laps | Proto | Lime Rock Park | May 30 |
| 8 | Nissan Grand Prix of Ohio | 500 km | Proto | Mid-Ohio Sports Car Course | June 5 |
| 8 | Nissan Grand Prix of Ohio | 200 km | GT | Mid-Ohio Sports Car Course | June 5 |
| 9 | Camel Continental | 500 km | Proto | Watkins Glen International | July 3 |
| 10 | Miller High Life 500 | 500 km | All | Road America | July 17 |
| 11 | G.I. Joe's Grand Prix | 1 Hour 30 Minutes | GT | Portland International Raceway | July 31 |
| 11 | G.I. Joe's Grand Prix | 300 km | Proto | Portland International Raceway | July 31 |
| 12 | Lincoln-Mercury California Grand Prix | 200 km | GT | Sears Point Raceway | August 14 |
| 12 | Lincoln-Mercury California Grand Prix | 300 km | Proto | Sears Point Raceway | August 14 |
| 13 | Nissan Camel Grand Prix of San Antonio | 3 Hours | Proto | San Antonio street course | September 4 |
| 14 | Lime Rock 2 Hours | 90 Laps | GTO | Lime Rock Park | September 5 |
| 14 | Lime Rock 2 Hours | 50 Laps | GTU | Lime Rock Park | September 5 |
| 15 | Kodak Copier 500 | 500 km | GT | Watkins Glen International | September 25 |
| 16 | Columbus Ford Dealers 500 | 300 km | Proto | Columbus street course | October 2 |
| 16 | Columbus Ford Dealers 500 | 45 Minutes | GT | Columbus street course | October 2 |
| 17 | Camel Grand Prix of Southern California | 45 Minutes | GTU | Del Mar Fairgrounds | October 22 |
| 17 | Camel Grand Prix of Southern California | 1 Hour | GTO | Del Mar Fairgrounds | October 22 |
| 17 | Camel Grand Prix of Southern California | 2 Hours | Proto | Del Mar Fairgrounds | October 22 |