The men's 400 metre freestyle competition at the 1997 Pan Pacific Swimming Championships took place on August 12 at the NISHI Civic Pool.[1] The last champion was Daniel Kowalski of Australia.[2]
This race consisted of eight lengths of the pool, with all eight being in the freestyle stroke.[3]
Prior to this competition, the existing world and Pan Pacific records were as follows:
All times are in minutes and seconds.
The first round was held on August 12.[1]
The B final was held on August 12.[1]
The A final was held on August 12.[1]