Information
Official Name :: Canadian-American Challenge Cup
Schedule
| # | Date | Track / Event | Winner(s) | Car | Results |
|---|---|---|---|---|---|
| 01 | 1973/06/10 | Mosport (CAN) | Charlie Kemp | Porsche 917/10 | Race |
| 02 | 1973/07/07 | Braselton, GA (USA) | George Follmer | Porsche 917/10 | Race |
| 03 | 1973/07/22 | Watkins Glen, NY (USA) | Mark Donohue | Porsche 917/30 | Race |
| 04 | 1973/08/12 | Lexington, OH (USA) | Mark Donohue | Porsche 917/30 | Race |
| 05 | 1973/08/26 | Elkhart Lake, WI (USA) | Mark Donohue | Porsche 917/30 | Race |
| 06 | 1973/09/16 | Edmonton Speedway (CAN) | Mark Donohue | Porsche 917/30 | Race |
| 07 | 1973/10/14 | Laguna Seca, CA (USA) Grand Prix Monterey | Mark Donohue | Porsche 917/30 | Race |
| 08 | 1973/10/28 | Riverside, CA (USA) Los Angeles Times Grand Prix | Mark Donohue | Porsche 917/30 | Race |
Standings
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