Records 4 × 400 metres relay




note: iaaf announced on 12 august 2008 had rescinded world record of 2:54.20 set usa (jerome young, antonio pettigrew, tyree washington, michael johnson) on 22 july 1998 after pettigrew admitted using human growth hormone , epo between 1997 , 2003.



note: iaaf rejected time of 3:01.96 set usa (kerron clement, wallace spearmon, darold williamson, jeremy wariner) on 16 september 2006 no post-race epo analysis performed.










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