The 1988 TranSouth 500 was the fifth stock car race of the 1988 NASCAR Winston Cup Series season and the 32nd iteration of the event. The race was held on Sunday, March 27, 1988, before an audience of 58,000 in Darlington, South Carolina, at Darlington Raceway, a 1.366 miles (2.198 km) permanent egg-shaped oval racetrack. The race took the scheduled 367 laps to complete. In the late stages of the race, Lake Speed, driving for his owner-driver operation Speed Racing, would dominate the late stages of the race with Hoosier tires to score his first and only career NASCAR Winston Cup Series victory and his only victory of the season. To fill out the podium, AK Racing driver Alan Kulwicki and Robert Yates Racing driver Davey Allison would finish second and third, respectively.