| series | Champcar complete |
| race | Milwaukee |
| year | 1968 |
| team | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| Gene White Racing | 25 | Gene White | Lloyd Ruby | | 7 | 1 | Mongoose 68 [5] | Offy 168 tc | 43 | |
| Andretti Racing Enterprises | 2 | Overseas National Airways | Mario Andretti | | 9 | 2 | Hawk III [68-1] | Ford DOHC | 23 | |
| Retzloff Racing | 5 | Retzloff Chemical | Al Unser | | 12 | 3 | Lola T92 [SL-92-04] | Ford DOHC | ||
| E.R.E. Enterprises | 18 | City of Seattle | Johnny Rutherford | | 10 | 4 | Eagle 66 [202] | Ford DOHC | ||
| Hayhoe | 59 | Cleaver-Brooks | Bruce Walkup | | 20 | 5 | Hayhoe 68 [a] | Offy 168 tc | ||
| Jack Adams | 38 | Wynn's | Larry Dickson | | 15 | 6 | Lola T92 [SL-92-05] | Ford DOHC | ||
| Vatis Enterprises | 54 | Valvoline | Wally Dallenbach | | 5 | 7 | Huffaker 64 [c] | Offy 168 tc | 46 | |
| Gerhardt | 11 | Thermo King | George Snider | | 16 | 8 | Gerhardt 68 [a] | Offy 168 tc | ||
| Federal Engineering | 10 | Federal Engineering | Bud Tingelstad | | 13 | 9 | Gerhardt 67 | Offy 168 tc | ||
| Jim Robbins | 27 | Jim Robbins | Jim Malloy | | 17 | 10 | Vollstedt 66 [8] | Ford DOHC tc | ||
| Myron Caves | 14 | Quaker State | Sam Sessions | | 21 | 11 | Gerhardt 67 [p] | Offy 168 tc | ||
| Johncock Racing Team | 4 | Gilmore Racing | Gordon Johncock | | 8 | 12 | Gerhardt 68 [b] | Offy 168 tc | ||
| Agajanian | 98 | Wagner-Lockheed | Billy Vukovich | | 11 | 13 | JP Shrike 66 [a] | Offy 168 tc | ||
| AJ Foyt | 1 | Sheraton-Thompson | AJ Foyt | | 6 | 14 | Coyote I [68-2] | Ford DOHC | ||
| Bob Oldright | 61 | Dudley Trucking | Max Dudley | | 24 | 15 | Halibrand Shrike 65 [b] | Chevy 305 V8 | ||
| STP Corporation | 20 | STP | Art Pollard | | 3 | 16 | Lotus 56 4WD [4] | PrattWhitney ST6N-74 Turbine | 1 | |
| Dayton-Walther | 77 | Dayton-Walther | Bill Puterbaugh | | 23 | 17 | Gerhardt 66 [m] | Ford DOHC | ||
| STP Corporation | 60 | STP | Joe Leonard | | 4 | 18 | Lotus 56 4WD [1] | PrattWhitney ST6N-74 Turbine | 13 | |
| Leader Card | 90 | Zecol-Lubaid | Mike Mosley | | 19 | 19 | Watson 68 [1] | Offy 168 tc | ||
| Lindsey Hopkins | 8 | G.C. Murphy | Roger McCluskey | | 1 | 20 | Eagle 67 [211] | Offy 168 tc | 6 | |
| Leader Card | 3 | Rislone | Bobby Unser | | 2 | 21 | Eagle 67 [210] | Offy 168 tc | 18 | |
| Peter Salemi | 81 | Central Excavating | Ronnie Duman | | 14 | 22 | Gerhardt 67 [m] | Offy 168 tc | ||
| Frank Curtis | 37 | Curtis Auto Center | Bay Darnell | | 22 | 23 | Curtis 67 [3] | Chevy 305 V8 | ||
| Michner Racing | 23 | Michner Petroleum | Norm Brown | | 18 | 24 | Lola T80 [c] | Ford DOHC | ||
| Federal Engineering | 10 | Federal Engineering | Arnie Knepper | | relief | Gerhardt 67 | Offy 168 tc | |||
| Johncock Racing Team | 4 | Gilmore Racing | Roger McCluskey | | relief | Gerhardt 68 [b] | Offy 168 tc | |||
| Buzz Harvey | 36 | Bulldog Stables | Gene Bergin | | DNS | Gerhardt 66 [n] | Chevy 305 V8 | |||
| Frank Fiore | 34 | Speedy's Broasted Chicken | Dee Jones | | DNS | Huffaker 66 [d] | Chevy 305 V8 | |||
| Gerhardt | 15 | City of Lebanon | Mel Kenyon | | DNS | Gerhardt 67 [j] | Offy 168 tc | |||
| Malcolm J Boyle | 26 | Central Hardware | Bruce Jacobi | | DNS | Gerhardt 66 [f] | Offy 168 tc | |||
| Navarro | 50 | Navarro Engineering | Les Scott | | DNS | Watson 64 [1] | AMC Rambler 199 S6 tc |
