| series | Champcar complete |
| race | Trenton II |
| year | 1978 |
| team | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| Penske | 7 | Gould Charge | Mario Andretti | | 3 | 1 | Penske PC-6/78 [003] | Cosworth DFX | 33 | |
| Lindsey Hopkins | 16 | 1st National Travel Check | Johnny Parsons Jr | | 7 | 2 | Lightning Mk1/77 [c] | Offy Drake tc | ||
| Penske | 1 | Norton Spirit | Tom Sneva | | 4 | 3 | Penske PC-6/78 [005] | Cosworth DFX | ||
| Hall Racing | 2 | 1st National Travel Check | Al Unser | | 9 | 4 | Lola T500 | Cosworth DFX | ||
| Patrick | 40 | Foreman Industries | Steve Krisiloff | | 14 | 5 | Wildcat Mk.II [2] | DGS | ||
| O'Connell | 6 | Sugaripe Prune | Wally Dallenbach | | 12 | 6 | Lightning Mk1/77 [e] | Cosworth DFX | ||
| Fletcher | 8 | Budweiser | Pancho Carter | | 6 | 7 | Lightning Mk1/77 | Cosworth DFX | ||
| Morales | 78 | Alex Foods | Mike Mosley | | 10 | 8 | Lightning Mk1/77 | Offy Drake tc | ||
| Grant King Racers | 98 | Oberdorfer | Gary Bettenhausen | | 18 | 9 | Kingfish 73 | Offy Drake tc | ||
| Leader Card | 24 | Thermo King | Sheldon Kinser | | 11 | 10 | Watson 78 [1] | Offy Drake tc | ||
| McLaren | 4 | 1st National Travel Check | Johnny Rutherford | | 5 | 11 | McLaren M24 | Cosworth DFX | 1 | |
| Leader Card | 22 | Kent Oil | Tom Bagley | | 17 | 12 | Watson 77 [1] | Offy Drake tc | ||
| Hucul Racing | 29 | Hucul/Hunter | Cliff Hucul | | 19 | 13 | McLaren M16E [E-2] | Offy Drake tc | ||
| Patrick | 20 | North American Van Lines | Gordon Johncock | | 8 | 14 | Wildcat Mk.II [4] | DGS | ||
| Interscope | 25 | Interscope | Danny Ongais | | 2 | 15 | Parnelli VPJ6C | Cosworth DFX | 53 | |
| Gibson Racing | 75 | Gibson Racing | Todd Gibson | | 15 | 16 | Eagle 74 [7406] | DGS | ||
| Vatis Enterprises | 92 | McCord Auto Supply | Spike Gehlhausen | | 13 | 17 | Eagle 72 Fleagle [7228] | Offy Drake tc | ||
| Thunder Racing | 30 | Thunder Racing | Jerry Sneva | | 16 | 18 | McLaren M16C/D [B-3] | Offy Drake tc | ||
| AJ Foyt | 14 | American Racing Wheels | AJ Foyt | | 1 | 19 | Parnelli VPJ6CT [005] | Cosworth DFX | 13 | |
| William R Compton | 38 | Money Brokers | Jerry Karl | | 20 | 20 | McLaren M16C/D [C/D-6] | Offy Drake tc | ||
| Cannon Racing | 85 | Natural Lite Beer | Larry Cannon | | DNS | Wildcat Mk.I [1] | DGS | |||
| Frank Fiore | 88 | Machinists Union | Tom Gloy | | DNS | McLaren M16C/D [A-4] | Offy Drake tc | |||
| Hoffman | 69 | Mr. Wize Buys Carpet | Joe Saldana | | DNS | Eagle 72 [7221] | Offy Drake tc | |||
| McElreath | 26 | Circle City Coal | Jim McElreath | | DNS | Eagle 74 [7407] | Offy Drake tc | |||
| Rasmussen | 58 | Rent-A-Racer | Eldon Rasmussen | | DNS | Rascar Atlanta 72 [1] | Foyt V8 tc | |||
| Vollstedt | 17 | La Machine | Dick Simon | | DNS | Vollstedt 73 [13] | Offy Drake tc |
