| 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: 14 Sep 2025 Facebook Todor Krastev 
 
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