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1972 Calendar
- Lime Rock Park
U.S.A.
Round 1- 1st
Bob Sharp - 2ndMike Downs
- 3rdLothar Stahlberg
- Bryar Motorsports Park
U.S.A.
Round 2- 1stJohn Morton
- 2ndBob Sharp
- 3rdJohn Buffum
- Mid-Ohio Sports Car Course
U.S.A.
Round 3- 1stPeter Gregg
- 2ndMike Downs
- 3rdBert Everett
- Watkins Glen International
U.S.A.
Round 4- 1stPeter Gregg
- 2ndJohn Morton
- 3rdHorst Kwech
- Donnybrooke International Speedway
U.S.A.
Round 5- 1stHorst Kwech
- 2ndBert Everett
- 3rdJerry Thompson
- Road America
U.S.A.
Round 6- 1stJohn Morton
- 2ndMike Downs
- 3rdRichard Hull
- Sanair Super Speedway
Canada
Round 7- 1stBert Everett
- 2ndKen Schley
- 3rdHarry Theodoracopulos
- Road Atlanta
U.S.A.
Round 8- 1stJohn Morton
- 2ndSam Posey
- 3rdDave Madison
- Portland International Raceway
U.S.A.
Round 9- 1stJohn Morton
- 2ndHershel McGriff
- 3rdWalt Maas
- Laguna Seca
U.S.A.
Round 10- 1stJohn Morton
- 2ndHorst Kwech
- 3rdBobby Allison
- Riverside International Raceway
U.S.A.
Round 11- 1stJohn Morton
- 2ndPeter Gregg
- 3rdBert Everett