| 48 | Alexander Doom |  | 44.15 | | Jun 10, 2024 | Stadio Olimpico, Roma (ITA) |
| 52 | Otis Harris |  | 44.16 | | Aug 23, 2004 | Olympic Stadium, Athina (GRE) |
| 53 | Innocent Egbunike |  | 44.17 | | Aug 19, 1987 | Letzigrund, Zürich (SUI) |
| 54 | Samson Kitur |  | 44.18 | | Aug 3, 1992 | Estadio Olímpico, Barcelona (ESP) |
| 55 | Charles Gitonga |  | 44.20 | | Jun 28, 1996 | Nairobi (KEN) |
| 56 | Emmanuel Kipkurui Korir |  | 44.21 | | Jun 23, 2018 | Nairobi (KEN) |
| 56 | Ian Morris |  | 44.21 | | Aug 3, 1992 | Estadio Olímpico, Barcelona (ESP) |
| 56 | Rai Benjamin |  | 44.21 | | Apr 8, 2023 | USC Cromwell Field at Loker Track Stadium, Los Angeles, CA (USA) |
| 59 | Gil Roberts |  | 44.22 | | Jun 24, 2017 | Sacramento, CA (USA) |
| 59 | Bryce Deadmon |  | 44.22 | | Jul 8, 2023 | Hayward Field, Eugene, OR (USA) |
| 61 | Kahmari Montgomery |  | 44.23 | | Jun 7, 2019 | Austin, TX (USA) |
| 62 | Emmanuel Bamidele |  | 44.24 | | Jun 9, 2023 | Mike A. Myers Stadium, Austin, TX (USA) |
| 62 | Tony Mcquay |  | 44.24 | | Jul 2, 2016 | Hayward Field, Eugene, OR (USA) |
| 64 | Ryan Willie |  | 44.25 | | Jun 9, 2023 | Mike A. Myers Stadium, Austin, TX (USA) |
| 64 | Trevor Stewart |  | 44.25 | | Jun 7, 2019 | Austin, TX (USA) |
| 64 | Karabo Sibanda |  | 44.25 | | Aug 14, 2016 | Estádio Olímpico, Rio de Janeiro (BRA) |
| 67 | Alberto Juantorena |  | 44.26 | | Jul 29, 1976 | Olympic Stadium, Montréal (CAN) |
| 68 | Antonio Pettigrew |  | 44.27 | | Jun 17, 1989 | Houston, TX (USA) |
| 68 | Alonzo Babers |  | 44.27 | | Aug 8, 1984 | Memorial Coliseum, Los Angeles, CA (USA) |
| 68 | Darold Williamson |  | 44.27 | | Jun 10, 2005 | Sacramento, CA (USA) |
| 71 | Tyree Washington |  | 44.28 | | May 12, 2001 | Los Angeles, CA (USA) |
| 71 | Andrew Valmon |  | 44.28 | | Jun 19, 1993 | Eugene, OR (USA) |
| 73 | Derrick Brew |  | 44.29 | | May 16, 1999 | Athens, GA (USA) |
| 73 | Letsile Tebogo |  | 44.29 | | Mar 18, 2024 | Bestmed Tuks Stadium, Pretoria (RSA) |
| 73 | Nathan Strother |  | 44.29 | | Jul 27, 2019 | Drake Stadium, Des Moines, IA (USA) |
| 73 | Sanderlei Parrela |  | 44.29 | | Aug 26, 1999 | La Cartuja, Sevilla (ESP) |
| 77 | Noah Williams |  | 44.30 | | Apr 24, 2021 | LSU Bernie Moore Stadium, Baton Rouge, LA (USA) |
| 77 | LaMont Smith |  | 44.30 | | Jun 19, 1996 | Atlanta, GA (USA) |
| 77 | Gabriel Tiacoh |  | 44.30 | | Jun 7, 1986 | Indianapolis, IN (USA) |
| 80 | Lythe Pillay |  | 44.31 | | Apr 20, 2024 | Msunduzi Athletics Stadium, Pietermaritzburg (RSA) |
| 80 | Alejandro Cárdenas |  | 44.31 | | Aug 26, 1999 | La Cartuja, Sevilla (ESP) |
| 82 | Thomas Schönlebe |  | 44.33 | | Sep 3, 1987 | Stadio Olimpico, Roma (ITA) |
| 83 | Elija Godwin |  | 44.34 | | Jun 25, 2022 | Hayward Field, Eugene, OR (USA) |
| 83 | Darnell Hall |  | 44.34 | | Jul 5, 1995 | Stade Olympique de la Pontaise, Lausanne (SUI) |
| 85 | Andrew Rock |  | 44.35 | | Aug 12, 2005 | Olympiastadion, Helsinki (FIN) |
| 86 | Ali Khamis Khamis |  | 44.36 | | Aug 14, 2016 | Estádio Olímpico, Rio de Janeiro (BRA) |
| 86 | Deon Lendore |  | 44.36 | | May 18, 2014 | Lexington, KY (USA) |
| 86 | Iwan Thomas |  | 44.36 | | Jul 13, 1997 | Birmingham (GBR) |
| 89 | Davis Kamoga |  | 44.37 | | Aug 5, 1997 | Olympic Stadium, Athina (GRE) |
| 89 | Roger Black |  | 44.37 | | Jul 3, 1996 | Lausanne (SUI) |
| 89 | Mark Richardson |  | 44.37 | | Jul 9, 1998 | Bislett Stadion, Oslo (NOR) |
| 92 | Darren Clark |  | 44.38 | | Sep 26, 1988 | Olympic Stadium, Seoul (KOR) |
| 92 | Bralon Taplin |  | 44.38 | | Jul 15, 2016 | Stade Louis II, Monaco (MON) |
| 92 | Micahi Danzy |  | 44.38 | | May 17, 2025 | Kentner Stadium Wake Forest University, Winston Salem, NC (USA) |
| 95 | Håvard Bentdal Ingvaldsen |  | 44.39 | | Aug 20, 2023 | Nemzeti Atlétikai Központ, Budapest (HUN) |
| 96 | Lee Bhekempilo Eppie |  | 44.40 | | Aug 16, 2025 | Francistown Stadion, Francistown (BOT) |
| 96 | Jermaine Gonzales |  | 44.40 | | Jul 22, 2010 | Stade Louis II, Monaco (MON) |
| 96 | Christopher Brown |  | 44.40 | | Jun 6, 2008 | Bislett Stadion, Oslo (NOR) |
| 96 | Fred Newhouse |  | 44.40 | | Jul 29, 1976 | Olympic Stadium, Montréal (CAN) |
| 100 | David Verburg |  | 44.41 | | Jun 26, 2015 | Hayward Field, Eugene, OR (USA) |