| 1. Antonio Watson |  Jamaica | 44.22s | | - | | 2. Matthew Hudson-Smith |  Great Britain | 44.31s | | - | | 3. Quincy Hall |  United States | 44.37s | PB | - | | 4. Vernon Norwood | United States | 44.39s | | - | | 5. Sean Bailey | Jamaica | 44.96s | | - | | 6. Håvard Bentdal Ingvaldsen |  Norway | 45.08s | | - | | 7. Wayde van Niekerk |  South Africa | 45.11s | | - | | -. Kirani James |  Grenada | DQ | TR17.3.1 | - |
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| World Record: Wayde van Niekerk, South Africa 43.03s Rio de Janeiro, Brazil 14 August 2016 | | Championship Record: Michael Johnson, United States 43.18s Seville, Spain 26 August 1999 | | World Leading: Steven Gardiner, Bahamas 43.74s Székesfehérvár, Hungary 18 July 2023 | | -- Competitors from -- Nations. Quota --. Entry Standard: --.--s. Venue: National Athletics Centre. | | |
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| | | 7 Heats. First 3 from each Heat and next best 3 times advanced to Semi-Finals. |
| African Record: Wayde van Niekerk, South Africa 43.03s Rio de Janeiro, Brazil 14 August 2016 | | Asian Record: Youssef Ahmed Masrahi, Saudi Arabia 43.93s Bejing, China 23 August 2015 | | North, Central American and Caribbean Record: Michael Johnson, United States 43.18s Seville, Spain 26 August 1999 | | South American Record: Anthony José Zambrano, Colombia 43.93s Tokyo, Japan 2 August 2021 | | European Record: Thomas Schönlebe, East Germany 44.33s Rome, Italy 3 September 1987 | | Oceanian Record: Darren Clark, Australia 44.38s Seoul, South Korea 26 September 1988 |
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Prepared and maintained by Todor Krastev
todor1966@yahoo.com
Last updated: 24 Sep 2023
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