| 1. Karsten Warholm |   Norway | 46.89s |   | 7 |  | 2. Kyron McMaster |   British Virgin Islands | 47.34s |   | 8 |  | 3. Rai Benjamin |   United States | 47.56s |   | 6 |  | 4. Roshawn Clarke |   Jamaica | 48.07s |   | 5 |  | 5. Alison dos Santos |   Brazil | 48.10s |   | 9 |  | 6. Trevor Bassitt |   United States | 48.22s |   | 3 |  | 7. Rasmus Mägi |   Estonia | 48.33s |   | 4 |  | 8. Joshua Abuaku |   Germany | 48.53s |   | 2 |   
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| World Record: Karsten Warholm, Norway 45.94s Tokyo, Japan 3 August 2021  |  | Championship Record: Alison dos Santos, Brazil 46.29s Eugene, United States 19 July 2022  |  | World Leading: Karsten Warholm, Norway 46.51s Monte Carlo, Monaco 21 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: Samuel Matete, Zambia 47.10s Zürich, Switzerland 7 August 1991  |  | Asian Record: Abderrahman Samba, Qatar 46.98s Paris, France 30 June 2018  |  | North, Central American and Caribbean Record: Rai Benjamin, United States 46.17s Tokyo, Japan 3 August 2021  |  | South American Record: Alison dos Santos, Brazil 46.29s Eugene, United States 19 July 2022  |  | European Record: Karsten Warholm, Norway 45.94s Tokyo, Japan 3 August 2021  |  | Oceanian Record: Rohan Robinson, Australia 48.28s Atlanta, United States 31 July 1996  |   
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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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