CZECHOSLOVAKIAN GRAND PRIX
250cc · Course
| Pos | Pilote | Temps / écart | Pts |
|---|---|---|---|
| 1 | Anton Mang | 43:01.000 | |
| 2 | Kork Ballington | 43:20.570 | |
| 3 | Jean Francois Baldé | 43:58.590 | |
| 4 | Roland Freymond | 46:49.370 | |
| 5 | Hans Müller | 44:14.640 | |
| 6 | Thierry Espié | 44:15.020 | |
| 7 | Edi Stoellinger | 44:15.550 | |
| 8 | A. Gouin | 44:16.020 | |
| 9 | Walter Villa | 44:16.520 | |
| 10 | Jean Louis Tournadre | 44:30.630 |
125cc · Course
| Pos | Pilote | Temps / écart | Pts |
|---|---|---|---|
| 1 | Guy Bertin | 46:00.590 | |
| 2 | Maurizio Massimiani | 46:00.650 | |
| 3 | Hans Müller | 46:07.200 | |
| 4 | Bruno Kneubühler | 46:09.910 | |
| 5 | Pierpaolo Bianchi | 46:36.120 | |
| 6 | Janos Drapal | 46:36.680 | |
| 7 | Harald Bartol | 46:49.340 | |
| 8 | Ivan Palazzese | 47:05.590 | |
| 9 | Rolf Blatter | 47:15.050 | |
| 10 | Stefan Dörflinger | 47:30.070 |
350cc · Course
| Pos | Pilote | Temps / écart | Pts |
|---|---|---|---|
| 1 | Anton Mang | — | |
| 2 | Jean Francois Baldé | — | |
| 3 | Jeffrey Sayle | — | |
| 4 | Jacques Cornu | — | |
| 5 | Jacques Bolle | — | |
| 6 | Tony Head | — | |
| 7 | Loris Reggiani | — | |
| 8 | Massimo Matteoni | — | |
| 9 | Carlos Lavado | — | |
| 10 | Jon Ekerold | — | |
| 11 | Eric Saul | — | |
| 14 | Graeme Mcgregor | — | |
| — | Johnny Cecotto | OUTSTND | |
| — | Walter Villa | OUTSTND | |
| — | Roland Freymond | OUTSTND | |
| — | Tony Rogers | OUTSTND | |
| — | Keith Huewen | OUTSTND | |
| — | Thierry Espié | OUTSTND | |
| — | Edi Stöllinger | OUTSTND | |
| — | Pekka Nurmi | OUTSTND |