1978 / IMSA SportsCar
Mar
18
XXVI Sebring 12 hours
Sebring International Raceway
Apr
2
I Talladega 6 hours
Talladega Superspeedway
Apr
16
1978 IMSA Camel GT Challenge
Road Atlanta Motorsports Center
Apr
30
1978 IMSA Monterey Triple Crown
Laguna Seca Raceway
May
7
1978 IMSA 100 Mile Hallett
Hallett Motor Racing Circuit
May
29
1978 IMSA Coca-Cola 300
Lime Rock Park
Jun
18
1978 IMSA Pepsi Grand Prix
Brainerd International Raceway
Jul
4
1978 IMSA XX Annual Daytona Fire Cracker 400
Daytona International Speedway
Jul
30
1978 IMSA III Annual Camel GT Challenge
Sears Point Raceway
Aug
6
1978 IMSA G.I. Joe´s Grand Prix
Portland International Raceway
Aug
27
1978 IMSA 250 Mile Mid-Ohio
Mid-Ohio Sports Car Course
Sep
4
1978 IMSA Arthur L. Montgomery Camel GT Challenge
Road Atlanta Motorsports Center
Nov
26
1978 IMSA 250 Mile Daytona Finale
Daytona International Speedway