Mclaren M8D Chevrolet - Lothar Motschenbacher - 1972 round one Canadian-American Challenge Cup (CanAm) race at Mosport Park. Finished 6th.
| 1st | #5 | Denny Hulme - McLaren M20 Chevrolet |
| 2nd | #6 | Mark Donohue - Porsche 917/10 TC |
| 3rd | #4 | Peter Revson - McLaren M20 Chevrolet |
| 4th | #09 | Milt Minter - Porsche 917/10 |
| 5th | #59 | Peter Gregg - Porsche 917/10 |
| 6th | #11 | Lothar Motschenbacher - McLaren M8D Chevrolet |
| 7th | #96 | Steve Durst - McLaren M8E/D Chevrolet |
| 8th | #50 | Gordon Dewar - McLaren M8C/D Chevrolet |
| 9th | #23 | Charlie Kemp - Lola T222 Chevrolet |
| 10th | #17 | Bob Nagel - Lola T222 Chevrolet |
| 11th | #15 | William Wonder - McLaren M8C Chevrolet |
| 12th | #41 | Jim Butcher - Lola T163/165 Chevrolet |
| 13th | #77 | Bob Klempel - McLaren Elva Mark III Chevrolet |
| 14th | #81 | Dick Durant - Lola T163 Chevrolet |
| - | #9 | John Cordts - Lola T163 Chevrolet |
| - | #1 | Jackie Oliver - Shadow Mk III Chevrolet |
| - | #2 | Gregg Young - McLaren M8F Chevrolet |
| - | #5 | Roger McCaig - McLaren M8FP Chevrolet |
| - | #13 | James Place - Lola T160 Chevrolet |
| - | #39 | Rainer Brezinka - Porsche 910 |
| - | #2 | Gregg Young - McLaren M8F Chevrolet |
| - | #5 | Roger McCaig - McLaren M8FP Chevrolet |
| - | #3 | Bobby Brown - McLaren M8E Chevrolet |
| - | #29 | Howden Ganley BRM P167 Chevrolet |
| - | #30 | Frank Kahlich McLaren 12 Chevrolet |
| - | #33 | Scooter Patrick - Alfa Romeo T33/4 |