1978 E3 Prijs Vlaanderen
| Race details | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Dates | 1 April 1978 | |||||||||
| Stages | 1 | |||||||||
| Distance | 230 km (142.9 mi) | |||||||||
| Winning time | 5h 40' 00" | |||||||||
| Results | ||||||||||
| ||||||||||
The 1978 E3 Harelbeke was the 21st edition of the E3 Harelbeke cycle race and was held on 1 April 1978. The race started and finished in Harelbeke. The race was won by Freddy Maertens.