| 1.5 cc Class 1 | ||||
| Pos | Name | Nation | mph | Final km/h |
| 1 | Glen Dye | USA | 129,094 | 207,757 |
| 2 | Peter Rischer | D | 100,826 | 162,264 |
| 3 | Ted Maciag | USA | 82,586 | 132,909 |
| Peter Rischer | D | 91,603 | 147,421 |
| 2.5 cc Class 2 | ||||
| Pos | Name | Nation | mph | Final km/h |
| 1 | Priit Hoyer | EST | 171,203 | 275,525 |
| 2 | Lee Roy James | USA | 99,137 | 159,546 |
| 3 | Ted Maciag | USA | 83,843 | 134,932 |
| 3.5 cc WMCR | ||||
| Pos | Name | Nation | mph | Final km/h |
| 1 | Glen Dye | USA | 150,453 | 242,131 |
| 2 | Nick Tucci II | USA | 101,836 | 163,889 |
| 3 | Jurgen Ekberg | USA | – | – |
| 5 cc Class 4 | ||||
| Pos | Name | Nation | mph | Final km/h |
| 1 | Tonu Sepp | EST | 189,475 | 304,93 |
| 2 | Gualtiero Picco | I | 186,536 | 300,201 |
| 3 | Priit Hoyer | EST | 184,81 | 297,423 |
| 4 | Frank Garzon Jr | USA | 170,498 | 274,39 |
| 5 | Steve Morse | USA | 159,69 | 256,996 |
| 6 | Peter Rischer | D | 158,401 | 254,922 |
| 7 | Jim Okel | USA | – | – |
| 10 cc Class 5 | ||||
| Pos | Name | Nation | mph | Final km/h |
| 1 | Gualtiero Picco | I | 206,97 | 333,086 |
| 2 | Paul-Otto Ströbel | CH | 205,525 | 330,76 |
| 3 | Steve Morse | USA | 202,768 | 326,323 |
| 4 | Dieter Hecht | D | 200,622 | 322,87 |
| 5 | Ron Clydesdale | AUS | 196,602 | 316,4 |
| 6 | Rich Democh | USA | 195,229 | 314,191 |
| 7 | Stuart Hamill | USA | 195,093 | 313,972 |
| 8 | Glen Dye | USA | 194,111 | 312,391 |
| 9 | John Ellis | USA | 193,708 | 311,743 |
| 10 | Tonu Sepp | EST | 192,906 | 310,452 |
| 11 | Anthony Tucci | USA | 192,806 | 310,291 |
| 12 | Phil McDonald | USA | 180,515 | 290,511 |
| 13 | Jurgen Ekberg | USA | 174,925 | 281,514 |
| 14 | Frank Garzon Sr | USA | 170,265 | 274,015 |
| 15 | Nick Tucci II | USA | – | – |
| 16 | Lee Roy James | USA | – | – |
| 17 | John Walker | AUS | – | – |
| Steve Morse | USA | 188,073 | 302,674 | |
| Glen Dye | USA | 147,322 | 237,092 |