| 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: 24 Sep 2023
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