Who holds the world record for men 400meters running?

Answer 1

Since 1963: 47.60 - Marita Koch - 06 Oct 85

47.99 - Jarmila Kratochvílová - 10 Aug 83

48.16 - Marita Koch - 08 Sep 82

48.60 - Marita Koch - 04 Aug 79

48.89 - Marita Koch - 29 Aug 79

48.94 - Marita Koch - 31 Aug 78

49.03 - Marita Koch - 19 Aug 78

49.19 - Marita Koch - 02 Jul 78

49.28 - Irena Szewinska - 29 Jul 76

49.75 - Irena Szewinska - 22 Jun 76

49.77 - Christine Brehmer - 09 May 76

50.14 - Riitta Salin - 04 Sep 74

50.78 - Riitta Salin - 18 Aug 74

50.98 - Jelica Pavlicic - 03 Aug 74

51.02 - Marilyn Neufville - 23 Jul 70

51.72 - Nicole Duclos - 18 Sep 69

52.01 - Betty Cuthbert - 17 Oct 64

52.77 - Ann Packer - 16 Oct 64

53.12 - Joy Grieveson - 14 Sep 63

Answer 2

Michael Johnson from the USA, with a time of 43.18 seconds. He ran this time on 26 August 1999 at the World Championships in Seville, Spain.
Michael Johnson with a time of 43.18 seconds

Answer 3

Michael Johnson : 43.18 seconds (WR)

Michael Johnson holds almost all U.S. National/International meet records.

Answer 4

I belive Tyson Gay, not really sure. Maybe Usain Bolt he used to run 400 and 800. Michael Johnson.

Answer 5

Wilson Kipketer - 1:41.11 - WR

Answer 6

Michael Johnson of the United States currently holds the 400 m World Record with a time of 43.18 seconds, set August 26, 1999, at the World Championships.