The men's 400 metres event at the 1990 Commonwealth Games was held on 27 and 28 January at the Mount Smart Stadium in Auckland.
Contents
Heats
Qualification: First 6 of each heat (Q) and the next 6 fastest (q) qualified for the quarterfinals.
Quarterfinals
Qualification: First 4 of each heat (Q) and the next 2 fastest (q) qualified for the semifinals.
Semifinals
Qualification: First 4 of each heat (Q) and the next 1 fastest (q) qualified for the final.
References
Athletics at the 1990 Commonwealth Games – Men's 400 metres Wikipedia(Text) CC BY-SA