1973 / IMSA SportsCar
Mar
24
XXI Sebring 12 hours
Sebring International Raceway
Apr
21
1973 IMSA Daytona 3 hours
Daytona International Speedway
Jun
10
1973 IMSA Pocono 500 Miles
Pocono Raceway (Road Course)
Jul
4
1973 IMSA Medal of Honor Firecracker 400
Daytona International Speedway
Jul
15
1973 IMSA Mid-Ohio 6 Hours
Mid-Ohio Sports Car Course
Sep
15
1973 IMSA Lime Rock (Race 1)
Lime Rock Park
Sep
15
1973 IMSA Lime Rock (Race 2)
Lime Rock Park
Sep
30
1973 IMSA Atlanta 250 Miles
Road Atlanta Motorsports Center
Oct
1
1973 IMSA Indianapolis 3 hours
Indianapolis Raceway Park
Nov
25
1973 IMSA Daytona 250 Miles
Daytona International Speedway