Medalists
Results
Heats
Qualification: First 4 of each heat (Q) and the next 4 fastest (q) qualified for the semifinals.Semifinals
Qualification: First 2 of each semifinal (Q) and the next 2 fastest (q) qualified for the final.Final
References
* (Archived) {{DEFAULTSORT:2008 African Championships in Athletics - Men's 400 metres 2008 African Championships in Athletics 400 metres at the African Championships in Athletics