The Bog-a-Duck Trial was held on August 6.
The 1977 Bog-a-Duck was directed by Ian Sichlau for the Melbourne University Car Club and included some tricky navigation in the Heathcote area. The event was won by Greg Lee and Allen Roberts.
| Place | Driver | Navigator | Car | Points | Club |
|---|---|---|---|---|---|
| 1 | Greg Lee | Allen Roberts | Colt | 32 | CCRMIT |
| 2 | Ian Richards | Kate Niblett | Datsun 1600 | 37 | CCRMIT |
| 3 | Norm Crofts | Bill Johnston | Escort | 43 | CCRMIT |
| 4 | Janiene Kilfoyle | Stuart Lister | Corolla | 45 | |
| 5 | Lindsay Dale | John Wilkinson | Datsun 1600 | 71 | |
| 6= | John Edwards | Harold Pearson | Datsun 1600 | 92 | |
| 6= | Steve Hollowood | Simon Brown | Datsun 180B | 92 | CCRMIT |
| 8 | J. Middlin | G. Brooks | Escort | 108 | SCOTCC |
| 9 | Rod Greene | R. Bell | Cortina | 149 | SCOTCC |
| 10 | Malcolm McNab | Brian Wallace | Datsun 1600 | 160 | CCRMIT |