1978 12 Hours of Sebring

The Twelve Hours of Sebring International Grand Prix of Endurance for the Camel GT Challenge was the second round of the 1978 IMSA GT Championship. The race was held at the Sebring International Raceway on March 18, 1978. The overall victory went to No. 9, Dick Barbour Racing (Porsche 935). The drivers were Brian Redman, Charles Mendez and Bob Garretson.

Race results
Class winners in bold.