PORSCHE RACING HISTORYPorsche 917/10 - Chassis No. 917/10-005
17 September 1972 - Can-Am Donnybrooke - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 917/10 TC | 917/10-005 | Mark Donohue (USA) | Roger Penske Enterprises, Inc. | 17th | 1st | 44 laps - Blown Tyre |
1 October 1972 - Can-Am Edmonton - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 917/10 TC | 917/10-005 | Mark Donohue (USA) | Roger Penske Enterprises, Inc. | 1st | 2nd | 80 laps |
15 October 1972 - Can-Am Laguna Seca - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 917/10 TC | 917/10-005 | Mark Donohue (USA) | Roger Penske Enterprises, Inc. | 2nd | 1st | 90 laps |
29 October 1972 - Can-Am Riverside - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 917/10 TC | 917/10-005 | Mark Donohue (USA) | Roger Penske Enterprises, Inc. | 3rd | 3rd | 61 laps |
10 June 1973 - Can-Am Mosport - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 917/10 TC | 917/10-005 | Charlie Kemp (USA) | Rinzler Motoracing/Royal Crown | 1st | 4th | 80 laps |
8 July 1973 - Can-Am Road Atlanta - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 917/10 TC | 917/10-005 | George Follmer (USA) | Rinzler Motoracing/Royal Crown | 1st | 2nd | 90 laps |
22 July 1973 - Can-Am Watkins Glen - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 917/10 TC | 917/10-005 | Charlie Kemp (USA) | Rinzler Motoracing/Royal Crown | 4th | 6th | 59 laps |
26 August 1973 - Can-Am Road America - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 917/10 TC | 917/10-005 | Charlie Kemp (USA) | Rinzler Motoracing/Royal Crown | DNF | 4th | 20 laps - Broken Wheel |
16 September 1973 - Can-Am Edmonton - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 917/10 TC | 917/10-005 | Charlie Kemp (USA) | Rinzler Motoracing/Royal Crown | 8th | 4th | 45 laps |
14 October 1973 - Can-Am Laguna Seca - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 917/10 TC | 917/10-005 | Charlie Kemp (USA) | Rinzler Motoracing/Royal Crown | DNF | 7th | 27 laps - Rear Suspension |
29 October 1973 - Can-Am Riverside - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 917/10 TC | 917/10-005 | Charlie Kemp (USA) | Rinzler Motoracing/Royal Crown | 3rd | 7th | 48 laps |