| series | Champcar complete |
| race | Milwaukee |
| year | 1966 |
| team | car | entry | driver | start | finish | chassis | engine | laps led | * | |
| Dean Racing | 1 | Dean Van Lines | Mario Andretti | | 1 | 1 | Hawk I [65-1] | Ford DOHC | 100 | |
| Lindsey Hopkins | 8 | G.C. Murphy | Roger McCluskey | | 3 | 2 | Eagle 66 [205] | Ford DOHC | ||
| All American Racers | 6 | Yamaha | Joe Leonard | | 2 | 3 | Eagle 66 [202] | Ford DOHC | ||
| G.C.R. | 76 | Pure Firebird | Art Pollard | | 7 | 4 | Gerhardt 66 [002] | Offy 168 sc | ||
| Leader Card | 12 | Wynn's | Chuck Hulse | | 5 | 5 | Watson 66 [1] | Ford DOHC | ||
| Mecom Racing | 26 | Bryant Heating & Cooling | Al Unser | | 18 | 6 | Lola T90 [SL-90-01] | Offy 168 sc | ||
| Gerhardt | 94 | Gerhardt | Mel Kenyon | | 20 | 7 | Gerhardt 65 [002] | Offy 252 | ||
| Racing Associates | 39 | Racing Associates | Bobby Grim | | 21 | 8 | Watson 63 FE [6] | Offy 168 tc | ||
| Vatis Enterprises | 54 | Valvoline | Gary Congdon | | 11 | 9 | Huffaker 64 [b] | Offy 252 | ||
| AJ Foyt | 82 | Sheraton-Thompson | George Snider | | 14 | 10 | Lotus 34 [2] | Ford DOHC | ||
| Barnett Bros. | 55 | Barnett Bros. | Ron Lux | | 17 | 11 | Kuzma 63 FE [13] | Offy 252 | ||
| Federal Engineering | 22 | Federal Engineering | Bud Tingelstad | | 22 | 12 | Gerhardt 66 [h] | Offy 168 sc | ||
| Mecom Racing | 24 | American Red Ball | Larry Dickson | | 12 | 13 | Lola T90 [SL-90-03] | Ford DOHC | ||
| Leader Card | 95 | Leader Card | Arnie Knepper | | 16 | 14 | Watson 63 FE [7] | Offy 252 | ||
| Leader Card | 4 | Leader Card | Don Branson | | 10 | 15 | Gerhardt 66 [k] | Ford DOHC | ||
| Gordon Van Liew | 7 | Vita Fresh | Bobby Unser | | 15 | 16 | Huffaker 66 [a] | Offy 168 sc | ||
| Viking Racing | 36 | Viking Racing | Bob Hurt | | 9 | 17 | Gerhardt 66 [f] | Offy 252 | ||
| Karl Hall | 71 | Fairchild-Hiller | Gig Stephens | | 13 | 18 | Halibrand Shrike 65 [g] | Offy 252 | ||
| George O Reves | 68 | Western Racing Associates | Bruce Jacobi | | 8 | 19 | Lola T80 [a] | Chevy 305 V8 | ||
| Agajanian | 98 | Agajanian REV 500 | Dick Atkins | | 6 | 20 | JP Shrike 66 [a] | Offy 168 sc | ||
| John Zink | 3 | Zink-Urschel-Slick | Jim McElreath | | 19 | 21 | Moore BT12 | Ford DOHC | ||
| Gerhardt | 56 | Gerhardt | Jim Hurtubise | | 4 | 22 | Gerhardt 66 [j] | Offy 168 sc | ||
| AJ Foyt | 2 | Sheraton-Thompson | AJ Foyt | | DNS | Lotus 38 [4] | Ford DOHC | |||
| American Eagle Racing | 61 | McManus Bros. | Gary Bettenhausen | | DNS | Halibrand Shrike 65 [H64172] | Offy 252 | |||
| Dave Paul | 23 | Valiant Homes | Dave Paul | | DNS | Halibrand Shrike 65 [h] | Offy 252 | |||
| Dayton-Walther | 77 | Dayton-Walther | Carl Williams | | DNS | Gerhardt 66 [004] | Ford DOHC | |||
| Federal Engineering | 38 | Federal Engineering | Sam Sessions | | DNS | Ward 66 [1] | Offy 252 | |||
| George R Bryant | 41 | George R Bryant | Johnny Boyd | | DNS | BRP 65 [65/1] | Ford DOHC | |||
| Hollansworth | 42 | Hollansworth | John Hollansworth | | DNS | Salih 60 FE [2] | Offy 252 | |||
| J Frank Harrison | 96 | J Frank Harrison | Ronnie Duman | | DNS | Eisert 66 [3] | Ford DOHC | |||
| Jim Robbins | 27 | Jim Robbins | Billy Foster | | DNS | Vollstedt 66 [8] | Ford DOHC | |||
| Joe Barzda | 87 | California Speed Shop | Red Riegel | | DNS | Halibrand Shrike 65 [e] | Offy 252 | |||
| Lysle Greenman | 51 | Greenman-Casale | Dempsey Wilson | | DNS | Halibrand Shrike 65 [j] | Chevy 305 V8 | |||
| Myron Caves | 85 | Caves Buick | Don Meacham | | DNS | Gerhardt 66 [c] | Offy 168 sc | |||
| Myron E Osborn | 49 | Ansen | Dick Fries | | DNS | Troutman-Barnes 64 [1] | Offy 252 | |||
| Peter Salemi | 81 | Central Excavating | Bob Harkey | | DNS | Gerhardt 65 [003] | Offy 252 | |||
| Richard Compton | 44 | Richard Compton | Hal Minyard | | DNS | Vollstedt 63 [6] | Offy 252 | |||
| W & W Enterprises | 72 | Weinberger Homes | Gordon Johncock | | DNS | Gerhardt 66 [i] | Ford DOHC | |||
| unknown | 0 | Al Smith | | DNS | unknown | unknown |
