The 1997 Masaryk Grand Prix was the third round of the 1997 International Sports Racing Series season. It took place at the Masaryk Circuit, Czech Republic, on September 14, 1997.
Class winners in bold.
| Pos | Class | No | Team | Drivers | Chassis | Tyre | Laps |
|---|---|---|---|---|---|---|---|
| Engine | |||||||
| 1 | CN | 20 |  Symbol Team | Arturo Merzario | Centenari M1 | 10 | |
| Alfa Romeo 3.0L V6 | |||||||
| 2 | CN | 1 |  Scuderia München | Martin Krisam, Jr. | Osella PA20 | ? | 10 |
| BMW 3.0L I6 | |||||||
| 3 | CN | 2 | Renngem. Allgäu | Rainer Fink | PRC S96 | 10 | |
| BMW 3.0L I6 | |||||||
| 4 | CN | 3 |  PRC Rennsporttechnik | Emanuel Pedrazza | PRC S95 | ? | 10 |
| BMW 3.0L I6 | |||||||
| 5 | CN | 11 |  Racing Driver Club | Charly Fischlin | Martini Mk.66 | 10 | |
| Alfa Romeo 3.0L V6 | |||||||
| 6 | CN | 4 | PRC Rennsporttechnik | Franz Schreiner | PRC S95 | 10 | |
| BMW 3.0L I6 | |||||||
| 7 | CN | 14 | PRC Rennsporttechnik | Andreas Tandl | PRC S95 | ? | 10 |
| Alfa Romeo 3.0L V6 | |||||||
| 8 | CN | 15 | PRC Rennsporttechnik | Franco Foresti | Argo JM21 | 10 | |
| Alfa Romeo 3.0L V6 | |||||||
| 9 | CN | 16 |  Vorel | Jaroslav Vorel | PRC M93 | ? | 9 |
| Alfa Romeo 3.0L V6 | |||||||
| 10 | S2000 | 40 | Remus Racing | Wolfgang Leistentritt | Shrike P16 | ? | 9 |
| Ford 2.0L I4 | |||||||
| 11 | S2000 | 41 | PRC Rennsporttechnik | Ralph Baumann | PRC M91 | 9 | |
| Ford 2.0L I4 | |||||||
| 12 | S2000 | 43 | Schrotter | Markus Schrotter | Tiga SC82 | ? | 8 |
| Ford 2.0L I4 | |||||||
| DNF | C3 | 31 | Scuderia München | Martin Krisam | URD C391 | ? | 5 |
| BMW 2.5L I6 | |||||||
| DNF | CN | 13 | Erich Weber | Erich Weber | PRC S96 | ? | 0 |
| Alfa Romeo 3.0L V6 | |||||||
| DNS | S2000 | 42 | PRC Rennsporttechnik | Franz Tandl | Reynard 89SC | ? | - |
| Ford 2.0L I4 |