Pedzisa mutsara unotevera: Musi waJuly 29, Johnson akakunda zviri nyore mumakwikwi eOlympic emamita 400 aine rekodhi yemaOlympic yemasekonzi 43.49, masekondi 0.92 ari mberi kwaRoger Black wokuGreat Britain akahwina menduru yesirivha. Mumakwikwi ekupedzisira emamita mazana maviri musi waAugust 1, Johnson akamhanya mamita zana ekutanga mumasekondi 10.12 uye akapedza nhangemutange munguva yepasi rose yemasekondi 19.32, achiputsa neanopfuura zvikamu zvitatu kubva pagumi zvechipiri rekodhi yaakange ambogadza muUS Olympic Trials, munzira imwechete mwedzi wapfuura - kuvandudzwa kukuru kwakamboitika pane rekodhi yepasi rose yemamita mazana maviri. Vamwe vatsinhiri vakaenzanisa kuita kwacho nokurova rekodhi kwaBob Beamon pakusvetuka marefu paMitambo yeOlympic yeZhizha ya1968 muMexico City. Mukati mokumhanya, Johnson akatambudza tsandanyama yomutsoka wake, iyo yakamudzivisa kukunda menduru yake yechitatu yegoridhe yeOlympics mu
4 × 400 m relay sezvo Team USA yakaenderera mberi kuhwina goridhe kunyangwe pasina iye.