| 04 | David Gillick |  | 45.52= | | Feb 20, 2010 | National Indoor Arena, Birmingham (GBR) (i) |
| 05 | Calvin Smith |  | 45.61 | | Feb 28, 2010 | Fayetteville, AR (USA) (i) |
| 06 | Tony Mcquay |  | 45.74 | | Mar 13, 2010 | Fayetteville, AR (USA) (i) |
| 07 | Jamaal Torrance |  | 45.76 | | Feb 28, 2010 | Albuquerque, NM (USA) (i) |
| 08 | Greg Nixon |  | 45.77 | | Feb 28, 2010 | Albuquerque, NM (USA) (i) |
| 09 | Tavaris Tate |  | 45.80 | | Feb 12, 2010 | Fayetteville, AR (USA) (i) |
| 10 | Tabarie Henry |  | 45.81 | | Jan 30, 2010 | College Station, TX (USA) (i) |
| 11 | Leslie Djhone |  | 45.85 | | Feb 28, 2010 | Paris (FRA) (i) |
| 12 | Christopher Brown |  | 45.96 | | Mar 13, 2010 | Aspire Dome, Doha (QAT) (i) |
| 13 | Demetrius Pinder |  | 46.01 | | Jan 16, 2010 | College Station, TX (USA) (i) |
| 14 | Josh Scott |  | 46.05 | | Mar 13, 2010 | Albuquerque, NM (USA) (i) |
| 15 | Lionel Larry |  | 46.12 | | Feb 12, 2010 | Fayetteville, AR (USA) (i) |
| 16 | Dmitriy Buryak |  | 46.21 | | Feb 27, 2010 | - |
| 17 | Clayton Parros |  | 46.22 | | Mar 13, 2010 | Fayetteville, AR (USA) (i) |
| 18 | Rabah Yousif |  | 46.24 | | Feb 20, 2010 | National Indoor Arena, Birmingham (GBR) (i) |
| 19 | Edino Steele |  | 46.27 | | Feb 26, 2010 | New York, NY (USA) (i) |
| 20 | Kerron Clement |  | 46.29 | | Feb 28, 2010 | Albuquerque, NM (USA) (i) |
| 21 | William Collazo |  | 46.31 | | Mar 13, 2010 | Aspire Dome, Doha (QAT) (i) |
| 22 | LeJerald Betters |  | 46.35 | | Feb 28, 2010 | Albuquerque, NM (USA) (i) |
| 23 | Maksim Dyldin |  | 46.41 | | Feb 27, 2010 | Moskva (RUS) (i) |
| 24 | Allodin Fothergill |  | 46.45 | | Mar 7, 2010 | Boston, MA (USA) (i) |
| 25 | Bryan Miller |  | 46.47 | | Feb 13, 2010 | College Station, TX (USA) (i) |
| 26 | Arismendy Peguero |  | 46.50 | | Mar 6, 2010 | Valencia (ESP) (i) |
| 27 | Richard Buck |  | 46.52 | | Feb 20, 2010 | - |
| 28 | James Davis |  | 46.53 | | Jan 23, 2010 | Albuquerque, NM (USA) (i) |
| 29 | Obakeng Ngwigwa |  | 46.54 | | Feb 28, 2010 | Fayetteville, AR (USA) (i) |
| 30 | Nery Brenes |  | 46.55 | | Mar 13, 2010 | Aspire Dome, Doha (QAT) (i) |
| 31 | Leford Green |  | 46.58 | | Mar 6, 2010 | Blacksburg, VA (USA) (i) |
| 32 | Marquis Holston |  | 46.59 | | Jan 30, 2010 | - |
| 33 | Clemens Zeller |  | 46.63 | | Feb 16, 2010 | - |
| 34 | Bastian Swillims |  | 46.67 | | Feb 28, 2010 | Karlsruhe (GER) (i) |
| 35 | Ricardo Chambers |  | 46.68 | | Feb 20, 2010 | National Indoor Arena, Birmingham (GBR) (i) |
| 36 | Brian Gregan |  | 46.68 | | Feb 16, 2010 | Wien (AUT) (i) |
| 37 | Riker Hylton |  | 46.70 | | Feb 13, 2010 | Boston, MA (USA) (i) |
| 38 | Miles Smith |  | 46.70 | | Jan 23, 2010 | New York, NY (USA) (i) |
| 39 | Yoel Armando Tapia |  | 46.73 | | Mar 6, 2010 | - |
| 40 | Robert Simmons |  | 46.76 | | Feb 28, 2010 | Fayetteville, AR (USA) (i) |
| 41 | Errol Nolan |  | 46.79 | | Feb 5, 2010 | New York, NY (USA) (i) |
| 42 | Marcin Marciniszyn |  | 46.80 | | Feb 28, 2010 | Spala (POL) (i) |
| 43 | Michael Mathieu |  | 46.82 | | Feb 12, 2010 | Fayetteville, AR (USA) (i) |
| 44 | Marcus Boyd |  | 46.83 | | Jan 30, 2010 | College Station, TX (USA) (i) |
| 45 | Santiago Ezquerro |  | 46.83 | | Feb 28, 2010 | - |
| 46 | Alex Meisolle |  | 46.85 | | Feb 28, 2010 | - |
| 47 | Valentin Kruglyakov |  | 46.86 | | Feb 26, 2010 | - |
| 48 | Andreas Rapatz |  | 46.87 | | Jan 23, 2010 | - |
| 49 | Josef Prorok |  | 46.88 | | Feb 16, 2010 | Wien (AUT) (i) |
| 50 | Nicolas Fillon |  | 46.89 | | Feb 28, 2010 | - |