1977 / IMSA SportsCar
Mar
19
XXV Sebring 12 hours
Sebring International Raceway
Apr
17
1977 IMSA 100 Mile Road Atlanta
Road Atlanta Motorsports Center
May
1
1977 IMSA Monterey Triple Crown
Laguna Seca Raceway
May
15
1977 IMSA 100 Mile Mid-America
Mid-America Raceway
May
30
1977 IMSA Coca-Cola 350
Lime Rock Park
Jun
5
1977 IMSA Mid-Ohio 200
Mid-Ohio Sports Car Course
Jun
19
1977 IMSA Pepsi Cola Grand Prix
Brainerd International Raceway
Jul
4
1977 IMSA Daytona Firecracker 400
Daytona International Speedway
Jul
31
1977 IMSA 100 Mile Sears Point
Sears Point Raceway
Aug
14
1977 IMSA Pocono Carquest Twin Grand Prix
Pocono Raceway (Road Course)
Aug
28
1977 IMSA Twin 3 Hours
Mid-Ohio Sports Car Course
Sep
5
1977 IMSA Labor Day Race
Road Atlanta Motorsports Center
Oct
9
1977 IMSA Shasta Monterey Grand Prix
Laguna Seca Raceway
Nov
27
1977 IMSA 250 Mile Daytona Finale
Daytona International Speedway