Men's 400 m - Athletics
|  |
Athlete |
Stage |
Result |
Placement |
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 400 m M - Budapest 2023 | |||||||
| Vernon Norwood | Final | 44,39 | 4. | ||||
| Semifinal | 44,26 | 2 | Q | ||||
| Round 1 | 44,87 | 2 | Q | ||||
| Bryce Deadmon | Round 1 | 46,20 | 7 | ||||
| Quincy Hall | Final | 44,37 |  |
||||
| Semifinal | 44,43 | 1 | Q | ||||
| Round 1 | 44,86 | 2 | Q | ||||
| 400 m M - Eugene 2022 | |||||||
| Michael Cherry | Semifinal | 45,28 | 4 | ||||
| Round 1 | 45,81 | 1 | Q | ||||
| Champion Allison | Final | 44,77 | 4. | ||||
| Semifinal | 44,71 | 1 | Q | ||||
| Round 1 | 45,56 | 1 | Q | ||||
| Michael Norman | Final | 44,29 |  |
||||
| Semifinal | 44,30 | 1 | Q | ||||
| Round 1 | 45,37 | 1 | Q | ||||
| 400 m M - Doha 2019 | |||||||
| Vernon Norwood | Semifinal | 45,00 | 4 | ||||
| Round 1 | 45,59 | 3 | Q | ||||
| Michael Norman | Semifinal | 45,94 | 7 | ||||
| Round 1 | 45,00 | 1 | Q | ||||
| Nathan Strother | Semifinal | 45,34 | 7 | ||||
| Round 1 | 45,71 | 5 | q | ||||
| Fred Kerley | Final | 44,17 | |
||||
| Semifinal | 44,25 | 1 | Q | ||||
| Round 1 | 45,19 | 2 | Q | ||||
| 400 m M - London 2017 | |||||||
| LaShawn Merritt | Semifinal | 45,52 | 7 | ||||
| Round 1 | 45,00 | 2 | Q | ||||
| Gil Roberts | Semifinal | 44,84 | 3 | ||||
| Round 1 | 44,92 | 2 | Q | ||||
| Fred Kerley | Final | 45,23 | 7. | ||||
| Semifinal | 44,51 | 3 | q | ||||
| Round 1 | 44,92 | 1 | Q | ||||
| Wilbert London | Semifinal | 45,12 | 5 | ||||
| Round 1 | 45,10 | 2 | Q | ||||
| 400 m M - Beijing 2015 | |||||||
| Bryshon Nellum | Semifinal | 44,77 | 5 | ||||
| Round 1 | 44,65 | 3 | Q | ||||
| David Verburg | Semifinal | 44,71 | 3 | ||||
| Round 1 | 44,43 | 1 | Q | ||||
| Vernon Norwood | Semifinal | 45,07 | 6 | ||||
| Round 1 | 45,53 | 3 | Q | ||||
| LaShawn Merritt | Final | 43,65 |  |
||||
| Semifinal | 44,34 | 2 | Q | ||||
| Round 1 | 44,51 | 1 | Q | ||||
| 400 m M - Moscow 2013 | |||||||
| Arman Hall | Semifinal | 45,54 | 5 | ||||
| Round 1 | 45,45 | 5 | q | ||||
| Tony McQuay | Final | 44,40 | |
||||
| Semifinal | 44,66 | 2 | Q | ||||
| Round 1 | 45,06 | 1 | Q | ||||
| LaShawn Merritt | Final | 43,74 | |
||||
| Semifinal | 44,60 | 1 | Q | ||||
| Round 1 | 44,92 | 1 | Q | ||||
| 400 m M - Daegu 2011 | |||||||
| Tony McQuay | Round 1 | 46,76 | 6 | ||||
| Jamaal Torrance | Semifinal | 45,73 | 4 | ||||
| Round 1 | 45,44 | 2 | Q | ||||
| Greg Nixon | Semifinal | 45,51 | 5 | ||||
| Round 1 | 45,16 | 3 | Q | ||||
| LaShawn Merritt | Final | 44,63 | |
||||
| Semifinal | 44,76 | 1 | Q | ||||
| Round 1 | 44,35 | 1 | Q | ||||
| 400 m M - Berlin 2009 | |||||||
| Alvin Harrison | Round 1 | 46,67 | 5 | ||||
| Gil Roberts | Round 1 | 46,41 | 5 | ||||
| Lionel Larry | Semifinal | 45,85 | 6 | ||||
| Round 1 | 45,64 | 4 | q | ||||
| Jeremy Wariner | Final | 44,60 | |
||||
| Semifinal | 44,69 | 1 | Q | ||||
| Round 1 | 45,54 | 1 | Q | ||||
| LaShawn Merritt | Final | 44,06 | |
||||
| Semifinal | 44,37 | 1 | Q | ||||
| Round 1 | 45,23 | 1 | Q | ||||
| 400 m M - Osaka 2007 | |||||||
| Lionel Larry | Round 1 | dnf | |||||
| Angelo Taylor | Final | 44,32 | |
||||
| Semifinal | 44,45 | 1 | Q | ||||
| Round 1 | 45,13 | 2 | Q | ||||
| LaShawn Merritt | Final | 43,96 | |
||||
| Semifinal | 44,31 | 1 | Q | ||||
| Round 1 | 44,78 | 1 | Q | ||||
| Jeremy Wariner | Final | 43,45 | |
||||
| Semifinal | 44,34 | 1 | Q | ||||
| Round 1 | 45,10 | 1 | Q | ||||
| 400 m M - Helsinki 2005 | |||||||
| Darold Williamson | Final | 45,12 | 7. | ||||
| Semifinal | 45,65 | 2 | Q | ||||
| Round 1 | 45,97 | 1 | Q | ||||
| Andrew Rock | Final | 44,35 | |
||||
| Semifinal | 45,78 | 2 | Q | ||||
| Round 1 | 44,98 | 1 | Q | ||||
| Jeremy Wariner | Final | 43,93 | |
||||
| Semifinal | 45,65 | 1 | Q | ||||
| Round 1 | 45,24 | 1 | Q | ||||
| 400 m M - Paris 2003 | |||||||
| Calvin Harrison | Final | dq(d) | |||||
| Semifinal | dq(d) | ||||||
| Round 1 | dq(d) | ||||||
| Jerome Young | Final | dq(d) | |||||
| Semifinal | dq(d) | ||||||
| Round 1 | dq(d) | ||||||
| Tyree Washington | Final | 44,77 | |
||||
| Semifinal | 44,60 | 1 | Q | ||||
| Round 1 | 45,30 | 1 | Q | ||||
| 400 m M - Sevilla 1999 | |||||||
| Michael Johnson | Final | 43,18 | |
WR | |||
| 400 m M - Athens 1997 | |||||||
| Tyree Washington | Final | 44,39 | |
||||
| Michael Johnson | Final | 44,12 | |
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| 400 m M - Göteborg 1995 | |||||||
| Harry Reynolds | Final | 44,22 | |
||||
| Michael Johnson | Final | 43,39 | |
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| 400 m M - Stuttgart 1993 | |||||||
| Harry Reynolds | Final | 44,13 | |
||||
| Michael Johnson | Final | 43,65 | |
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| 400 m M - Tokyo 1991 | |||||||
| Danny Everett | Final | 44,63 | |
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| Antonio Pettigrew | Final | 44,57 | |
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| 400 m M - Rome 1987 | |||||||
| Harry Reynolds | Final | 44,80 | |
||||
| 400 m M - Helsinki 1983 | |||||||
| Sunder Nix | Final | 45,24 | |
||||
| Michael Franks | Final | 45,22 | |
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| * This list about American results in Athletics in Athletics World Championships is not yet completed in the database. There may be additional events with American participation and/or additional athletes in the listed events which are not yet included. All results with American medals are already included. | |||||||
