400 m
World and Japan, men and women — choose a view below.
Men · World
43.03
Wayde van Niekerk
South Africa · Rio de Janeiro · 14 Aug 2016
Women · World
47.60
Marita Koch
East Germany · Canberra · 6 Oct 1985
Men · Japan
44.44
Yuki Joseph Nakajima
Japan · Tokyo · 14 Sept 2025
Women · Japan
51.75
Asami Tanno
Japan · Fukuroi · 3 May 2008
Recent Updates
Record Timeline
| Date | Athlete | Country | Time | Type |
|---|---|---|---|---|
| 14 Sept 2025 | Yuki Joseph Nakajima | Japan | 44.44 | Japan Record |
| 20 Aug 2023 | Kentaro Sato | Japan | 44.77 | Japan Record |
| 14 Aug 2016 | Wayde van Niekerk | South Africa | 43.03 | World Record |
| 3 May 2008 | Asami Tanno | Japan | 51.75 | Japan Record |
| 19 Sept 2005 | Asami Tanno | Japan | 51.80 | Japan Record |
| 5 Jun 2005 | Asami Tanno | Japan | 51.93 | Japan Record |