| series | Champcar current |
| race | Ontario 500 |
| year | 1979 |
| team | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| Penske | 12 | Norton Spirit | Bobby Unser | | 3 | 1 | Penske PC-7/79 | Cosworth DFX | 97 | |
| Penske | 9 | Gould Charge | Rick Mears | | 1 | 2 | Penske PC-7/79 | Cosworth DFX | 34 | |
| Penske | 99 | Gould Charge | Mario Andretti | | 4 | 3 | Penske PC-7/79 [003] | Cosworth DFX | ||
| McLaren | 4 | Budweiser | Johnny Rutherford | | 13 | 4 | McLaren M24B [002] | Cosworth DFX | 2 | |
| Hall Racing | 2 | Pennzoil | Al Unser | | 2 | 5 | Chaparral 2K [02] | Cosworth DFX | 62 | |
| Interscope | 25 | Interscope/Panasonic | Danny Ongais | | 8 | 6 | Parnelli VPJ6C | Cosworth DFX | ||
| Wysard | 34 | Thomas W. Barrett III | Vern Schuppan | | 30 | 7 | Wildcat Mk.II [4] | DGS | ||
| McLaren | 94 | Budweiser | Don Whittington | | 29 | 8 | McLaren M24 [003] | Cosworth DFX | ||
| Larry Hamm Racing | 21 | Vetter Windjammer | Lee Kunzman | | 14 | 9 | Parnelli VPJ6CT [114] | Cosworth DFX | ||
| Hodgdon | 72 | National Engineering | Jerry Sneva | | 25 | 10 | McLaren M24 [006] | Cosworth DFX | ||
| Tom Frantz | 18 | Kent Oil | Tom Frantz | | 31 | 11 | Wildcat Mk.I [2] | DGS | ||
| Whittington Bros | 98 | Whittington Bros. | Bill Whittington | | 24 | 12 | Parnelli VPJ6CT | Cosworth DFX | ||
| Patrick | 60 | North American Van Lines | Roger Mears | | 17 | 13 | Penske PC-6/78 | Cosworth DFX | ||
| Cannon Racing | 95 | Cannon Racing | Larry Cannon | | 35 | 14 | Wildcat Mk.I [1] | DGS | ||
| Patrick | 20 | North American Van Lines | Gordon Johncock | | 12 | 15 | Penske PC-6/78 | Cosworth DFX | ||
| Sanett Racing | 23 | Aero Electronics | Dick Ferguson | | 15 | 16 | Penske PC-6/78 [008] | Cosworth DFX | ||
| O'Connell | 1 | Sugaripe Prune | Tom Sneva | | 5 | 17 | McLaren M24 [001] | Cosworth DFX | 5 | |
| Rhoades | 30 | Paramount Printing | John Martin | | 23 | 18 | McLaren M16E [E-1] | Offy Drake tc | ||
| Beith Racing | 28 | Wheel Center | Billy Scott | | 32 | 19 | Eagle 72 [7219] | Offy Drake tc | ||
| Dayton-Walther | 77 | Dayton-Walther | Salt Walther | | 20 | 20 | Penske PC-6/78 [001] | Cosworth DFX | ||
| Hoffman | 69 | Biane Winery | Al Loquasto | | 27 | 21 | Eagle 72 [7221] | Offy Drake tc | ||
| Alsup Racing | 41 | Insley | Bill Alsup | | 22 | 22 | McLaren M16C/D [C-4] | Offy Drake tc | ||
| Longhorn | 71 | Kent Oil | Steve Krisiloff | | 7 | 23 | Penske PC-6/78 | Cosworth DFX | ||
| Patrick | 40 | Foreman Industries | Wally Dallenbach | | 16 | 24 | Penske PC-6/78 [b] | Cosworth DFX | ||
| Fletcher | 55 | Frosty Acres/Winton Sales | Spike Gehlhausen | | 10 | 25 | Lightning Mk1/77 [f] | Cosworth DFX | ||
| Patrick Santello | 35 | S&M Electric | Tim Richmond | | 18 | 26 | Lightning Mk1/77 [b] | Offy Drake tc | ||
| Gehlhausen | 19 | Sta-On Glaze | Phil Caliva | | 28 | 27 | Eagle 74 Fletcher | Offy Drake tc | ||
| Morales | 10 | Alex Foods | Pancho Carter | | 19 | 28 | Lightning Mk1/77 [ROMLIN/4] | Offy DT160 V8 | ||
| Morales | 15 | Alex Foods | Bob Harkey | | 26 | 29 | Lightning Mk1/77 [d] | Offy Drake tc | ||
| Hoffman | 59 | Hoffman Racing | Joe Saldana | | 33 | 30 | Lightning Mk1/77 [ROMLIN/7] | Offy Drake tc | ||
| Hall Racing | 86 | AMS Oil | Dennis Firestone | | 21 | 31 | Lola T500 | Cosworth DFX | ||
| Longhorn | 11 | Kent Oil | Tom Bagley | | 9 | 32 | Penske PC-6/78 | Cosworth DFX | ||
| O'Connell | 32 | Sugaripe Prune | Johnny Parsons Jr | | 6 | 33 | McLaren M24B [003] | Cosworth DFX | ||
| All American Racers | 36 | Theodore Racing | Mike Mosley | | 11 | 34 | Eagle 78 MkII [7802A] | Cosworth DFX | ||
| Hoffman | 79 | Aero Electronics | Cliff Hucul | | 34 | 35 | Spyder Eagle [7223] | Offy Drake tc |
