| 250 | Hassan El Kashief |  | 44.76 | | 3 giu 1982 | Provo, UT (USA) |
| 252 | Kevin Little |  | 44.77 | | 21 apr 1996 | Walnut, CA (USA) |
| 252 | Félix Stevens |  | 44.77 | | 21 feb 1986 | Santiago de Cuba (CUB) |
| 252 | Jason Rouser | | 44.77 | | 17 giu 1996 | Atlanta, GA (USA) |
| 252 | Kentaro Sato |  | 44.77 | | 20 ago 2023 | Nemzeti Atlétikai Központ, Budapest (HUN) |
| 252 | Michael Joseph |  | 44.77 | | 13 mag 2023 | John Jacobs Track Complex, Norman, OK (USA) |
| 252 | Kennedy Ochieng |  | 44.77 | | - | - |
| 252 | Davide Re |  | 44.77 | | 30 giu 2019 | La Chaux-de-Fonds (SUI) |
| 252 | Demetrius Pinder |  | 44.77 | | 23 giu 2012 | Nassau (BAH) |
| 252 | David Gillick |  | 44.77 | | 4 lug 2009 | Madrid (ESP) |
| 252 | Tabarie Henry |  | 44.77 | | 23 mag 2009 | Hutchinson, KS (USA) |
| 252 | Lansford Spence |  | 44.77 | | 26 giu 2005 | Kingston (JAM) |
| 263 | Ja'Warren Hooker | | 44.78 | | 15 lug 2000 | Sacramento, CA (USA) |
| 263 | Susumu Takano | | 44.78 | | 16 giu 1991 | Tokyo (JPN) |
| 265 | Najee Glass | | 44.79 | | 24 apr 2015 | Gainesville, FL (USA) |
| 265 | Pavel Maslák |  | 44.79 | | 9 mag 2014 | Suhaim bin Hamad Stadium, Doha (QAT) |
| 265 | Marc Raquil |  | 44.79 | | 26 ago 2003 | Stade de France, Paris-St-Denis (FRA) |
| 265 | Kyle Clemons | | 44.79 | | 2 lug 2016 | Hayward Field, Eugene, OR (USA) |
| 265 | João Coelho |  | 44.79 | | 3 ago 2023 | Shuangliu Sports Centre, Chengdu (CHN) |
| 265 | Lucas Carvalho |  | 44.79 | | 29 lug 2023 | COTP Stadium, São Paulo (BRA) |
| 265 | Evan Clarke | | 44.79 | | 29 mag 1993 | Abilene, TX (USA) |
| 272 | Wayne Collett | | 44.80 | | 7 set 1972 | - |
| 272 | Chris Whitlock | | 44.80 | | 2 lug 1983 | Colorado Springs, CO (USA) |
| 272 | Richard Johnson | | 44.80 | | 14 mag 2023 | John Jacobs Track Complex, Norman, OK (USA) |
| 272 | Jamaal Torrance | | 44.80 | | 26 giu 2010 | Drake Stadium, Des Moines, IA (USA) |
| 272 | Joel Milburn |  | 44.80 | | 18 ago 2008 | National Stadium, Beijing (CHN) |
| 272 | Kevin Kipkorir | | 44.80 | | 27 giu 2025 | Nyayo National Stadium, Nairobi (KEN) |
| 278 | Danny Mccray | | 44.81 | | 18 mag 1996 | Lubbock, TX (USA) |
| 278 | Oleksandr Pohorilko |  | 44.81 | | 27 giu 2025 | Estadio Vallehermoso, Madrid (ESP) |
| 278 | Reheem Hayles | | 44.81 | | 7 giu 2023 | Mike A. Myers Stadium, Austin, TX (USA) |
| 278 | Dubem Nwachukwu | | 44.81 | | 7 giu 2023 | Mike A. Myers Stadium, Austin, TX (USA) |
| 278 | Calvin Smith | | 44.81 | | 17 apr 2010 | Gainesville, FL (USA) |
| 283 | Jordan Boase | | 44.82 | | 12 apr 2008 | Tempe, AZ (USA) |
| 283 | Jason Barton | | 44.82 | | 15 mag 2004 | Tucson, AZ (USA) |
| 283 | Arman Gino Hall | | 44.82 | | 21 giu 2013 | Drake Stadium, Des Moines, IA (USA) |
| 283 | Maxie Parks | | 44.82 | | 12 giu 1976 | Westwood, CA (USA) |
| 283 | James Benson | | 44.82 | | 13 mag 2023 | LSU Bernie Moore Stadium, Baton Rouge, LA (USA) |
| 283 | Wendell Mottley |  | 44.82 | | 11 ago 1966 | Kingston (JAM) |
| 289 | Josh Mance | | 44.83 | | 6 giu 2012 | Des Moines, IA (USA) |
| 289 | Ray Armstead | | 44.83 | | 22 ago 1984 | Zürich (SUI) |
| 289 | Sunday Uti |  | 44.83 | | 6 ago 1984 | Memorial Coliseum, Los Angeles, CA (USA) |
| 289 | Jude Monye | | 44.83 | | 11 mag 1996 | Kingston (JAM) |
| 289 | Dane Hyatt | | 44.83 | | 1 lug 2012 | Kingston (JAM) |
| 289 | Davian Clarke | | 44.83 | | 23 ago 2004 | Olympic Stadium, Athina (GRE) |
| 289 | Anton Galkin |  | 44.83 | | 31 lug 2004 | Tula (RUS) |
| 296 | Billy Mullins | | 44.84 | | 11 mag 1980 | Westwood, CA (USA) |
| 296 | Matthew Boling | | 44.84 | | 19 lug 2024 | Percy Beard Track, Gainesville, FL (USA) |
| 296 | Yousef Karam |  | 44.84 | | 22 apr 2019 | Doha (QAT) |
| 296 | Jayden Davis | | 44.84 | | 19 apr 2025 | Hilmer Lodge Stadium, Walnut, CA (USA) |
| 296 | Alvin Daniel | | 44.84 | | 28 giu 1992 | Birmingham (GBR) |
