Michael Johnson - 400m World Record - 43.18 s (1999)
2015-08-27 56 Dailymotion
Michael Johnson - 400m World Record - 43.18 s (1999) <br /> <br />Follow us : <br /> <br />https://www.facebook.com/pages/Channel-Sport/1519492525005571 <br /> <br />https://twitter.com/ChannelSport1
