0.4 Frank Fredericks NAM 02.10.1967 Atlanta 01.08.1996 19.68 -0.1 Tyson Gay USA 09.08.1982 Stuttgart 10.09.2006 Click on name to see the video. 400 metres Same Michael Johnson helds another record in 400 metres running. Unbeleivable athlete!! All-time best results: Mark Athlete Nat Birth Venue Date 43.18 Michael Johnson USA 13.09.1967 Sevilla 26.08.1999