1973
Canadian-American Challenge Cup
 
       
10/6     Mosport Labatt's Blue Trophy
       
# 0 - 917/10 Tc - DNF
Scheckter
Gallery
 
# 3 - 917/10 - 5°
Durst
Gallery
 
# 4 - 917/10 Tc -
Wiedmer
Gallery
 
# 6 - 917/30 Tc - 7°
Donohue
Gallery
 
# 16 - 917/10 Tc - DNF
Follmer
Gallery
# 23 - 917/10 Tc - Winner
Kemp
Gallery
# 39 - 908/02 K Flunder - DNS
Bytzek
 
# 59 - 917/10 Tc - DNF
Haywood
Gallery
       
8/7     Road Atlanta Carling Can-Am
       
# 0 - 917/10 Tc -
Scheckter
Gallery
 
# 3 - 917/10 - 7°
Durst
Gallery
 
# 4 - 917/10 Tc - DNF
Wiedmer
Gallery
 
# 6 - 917/30 Tc -
Donohue
Gallery
 
   
  # 16 - 917/10 Tc - Winner
Follmer
Gallery
# 59 - 917/10 Tc - 5°
Haywood
Gallery
 
       
22/7     Can-Am at the Glen
       
# 0 - 917/10 Tc -
Scheckter
Gallery
 
# 3 - 917/10 - 7°
Durst
Gallery
 
# 4 - 917/10 TC - DNF
Wiedmer
Gallery
 
# 6 - 917/30 Tc - Winner
Donohue
Gallery
 
# 16 - 917/10 Tc - DNF
Follmer
Gallery
# 23 - 917/10 Tc - 4°
Kemp
Gallery
# 58 - 911 Carrera RSR - 9°
Gregg
Gallery
# 59 - 917/10 Tc - DNF
Haywood
Gallery
       
12/8     Mid-Ohio Buckeye Cup
       
# 0 - 917/10 Tc - DNF
Scheckter
Gallery
 
# 3 - 917/10 - 10°
Durst
Gallery
 
# 4 - 917/10 Tc - DNF
Wiedmer
Gallery
 
# 5 - 917/10 Tc - DNF
Kauhsen
Gallery
 
# 6 - 917/30 Tc - Winner
Donohue
Gallery
# 16 - 917/10 Tc -
Follmer
Gallery
# 23 - 917/10 Tc - DNS
Kemp
 
# 59 - 917/10 Tc -
Haywood
Gallery
       
26/8     Road America Can-Am
       
# 0 - 917/10 Tc -
Scheckter
Gallery
 
# 3 - 917/10 - DNS
Durst

 
# 6 - 917/30 Tc - Winner
Donohue
Gallery
 
# 16 - 917/10 Tc -
Follmer
Gallery
 
   
  # 23 - 917/10 Tc - DNF
Kemp
Gallery
# 59 - 917/10 Tc - DNF
Haywood
Gallery
 
       
16/9     Edmonton Molson Cup
       
# 0 - 917/10 Tc - DNF
Scheckter
Gallery
 
# 6 - 917/30 Tc - Winner
Donohue
Gallery
 
# 16 - 917/10 Tc -
Follmer

 
# 23 - 917/10 Tc - 8°
Kemp
Gallery
 
   
  # 59 - 917/10 Tc - DNF
Haywood
 
       
14/10     Laguna Seca Monterey Castrol Grand Prix
       
# 0 - 917/10 Tc - DNF
Scheckter
Gallery
 
# 3 - 917/10 Tc - DNF
Redman
Gallery
 
# 6 - 917/30 Tc - Winner
Donohue
Gallery
 
# 7 - 917/30 Tc - DNS
Donohue
Gallery
 
# 16 - 917/10 Tc - DNF
Follmer
Gallery
# 23 - 917/10 Tc - DNF
Kemp
 
# 59 - 917/10 TC -
Haywood
Gallery
       
28/10     Riverside Los Angeles Times Grand Prix
       
# 0 - 917/10 Tc - DNF
Scheckter
Gallery
 
# 3 - 917/10 Tc - DNF
Redman
Gallery
 
# 6 - 917/30 Tc - Winner
Donohue
Gallery
 
# 7 - 917/30 Tc - RIP
Donohue

 
# 16 - 917/10 Tc - DNF
Follmer
Gallery
 
# 20 - KMW SP20 - DNS
Earl
Gallery
 
# 22 - KMW SP30 - 9°
Müller-Prschl
Gallery
 
# 23 - 917/10 Tc -
Kemp
Gallery
 
   
  # 59 - 917/10 Tc -
Haywood
Gallery