Swimming at the 1979 Pan American Games – Men's 400 metre freestyle
The men's 400 metre freestyle competition of the swimming events at the 1979 Pan American Games took place on 5 July at the Piscina Olimpica Del Escambron. The last Pan American Games champion was Douglas Northway of US. This race consisted of eight lengths of the pool, with all eight being in the freestyle stroke. Results. All times are in minutes and seconds. Heats. The first round was held on July 5. Final. The final was held on July 5. Swimming at the 1979 Pan American Games