The men's 400 metre freestyle event at the 2018 Commonwealth Games was held on 5 April at the Gold Coast Aquatic Centre.

Records Prior to this competition, the existing world, Commonwealth and Games records were as follows:

Schedule The schedule is as follows:

All times are Australian Eastern Standard Time (UTC+10) Date Time Round Thursday 5 April 2018 10:47 Qualifying 19:46 Final

Results Heats Rank Heat Lane Name Nationality Time Notes 1 2 4 3:47.93 Q 2 2 6 3:48.18 Q 3 1 5 3:48.31 Q 4 2 5 3:48.86 Q 5 1 4 3:50.23 Q 6 1 3 3:50.76 Q 7 2 3 3:51.65 Q 8 1 6 3:51.78 Q 9 1 2 3:56.09 10 2 2 3:56.40 11 1 7 3:56.82 12 1 1 4:03.50 13 2 7 4:06.03 14 2 1 4:09.79

Final Rank Lane Name Nationality Time Notes43:43.76 33:45.21 23:45.32 453:48.08 573:49.52 663:49.60 783:53.36 813:55.01

References