| Pl | Athlete | Time | Heat (pl) | React | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Trevor STEWART N. Carolina A&T [SR] | 44.55 | Q | 5 (1) | |||||
| 2 | | Randolph ROSS N. Carolina A&T [SO] | 44.63 | Q | 1 (1) | |||||
| 3 |  | Noah WILLIAMS LSU [SO] | 45.40 (45.393) | Q | 2 (1) | |||||
| 4 |  | Champion ALLISON Alabama [JR] | 45.40 (45.394) | Q | 5 (2) | PB | ||||
| 5 |  | Jacory PATTERSON Virginia Tech [JR] | 45.40 (45.396) | Q | 3 (1) | |||||
| 6 |  | Dwight ST HILLAIRE Kentucky [JR] | 45.46 | Q | 4 (1) | |||||
| 7 |  | Johnathon SAWYER SE Louisiana [SR] | 45.54 | Q | 1 (2) | |||||
| 8 |  | Taj BURGESS Rutgers [JR] | 45.55 | Q | 2 (2) | PB | ||||
| 9 |  | Christopher BAILEY Tennessee [SO] | 45.81 | Q | 6 (1) | |||||
| 10 |  | Ryan WILLIE Florida [FR] | 45.82 | Q | 3 (2) | |||||
| 11 |  | Elija GODWIN Georgia [SO] | 46.03 | Q | 6 (2) | |||||
| 12 |  | DaeQwan BUTLER Florida State [SO] | 46.06 | Q | 2 (3) | |||||
| 13 |  | Tyler JOHNSON Ohio State [SR] | 46.08 | Q | 4 (2) | |||||
| 14 |  | Jimmie WILLIAMS Oakland [JR] | 46.29 | q | 2 (4) | PB | ||||
| 15 |  | Trequan BARNES Norfolk State [JR] | 46.38 | Q | 5 (3) | |||||
| 16 |  | Trey JOHNSON Southern Miss. [SO] | 46.40 | Q | 3 (3) | |||||
| 17 |  | Jordan WILLIS Virginia [JR] | 46.45 | Q | 4 (3) | |||||
| 18 | | James BENSON II SE Louisiana [JR] | 46.49 (46.486) | Q | 6 (3) | |||||
| 19 |  | Solomon STRADER Miami (Fla.) [FR] | 46.49 (46.488) | q | 4 (4) | PB | ||||
| 20 |  | Shawn COLLINS Jackson State [SO] | 46.60 | q | 4 (5) | PB | ||||
| 21 | | Elijah YOUNG N. Carolina A&T [SR] | 46.64 | Q | 1 (3) | |||||
| 22 | | Brandon OUTLAW Virginia [JR] | 46.65 | q | 4 (6) | |||||
| 23 |  | Jonathan IMES Lipscomb [JR] | 46.66 | q | 1 (4) | SB | ||||
| 24 |  | Dubem AMENE Michigan [FR] | 46.71 | q | 2 (5) | |||||
| 25 |  | Isaiah PALMER North Carolina [JR] | 46.72 | 2 (6) | ||||||
| 26 | | Patrick FORREST Virginia Tech [SR] | 46.74 | 6 (4) | ||||||
| 27 |  | Marlowe MOSLEY Western Kentucky [JR] | 46.83 | 1 (5) | ||||||
| 28 |  | Jackson JUNKINS South Carolina [SO] | 46.86 | 1 (6) | ||||||
| 29 |  | Ade JONES-ROUNDTREE Pittsburgh [SR] | 47.09 | 6 (5) | ||||||
| 30 | | Donnie JAMES Ohio State [SR] | 47.12 | 4 (7) | ||||||
| 31 |  | Eric HUGHEY Navy [SR] | 47.16 | 5 (4) | ||||||
| 32 |  | Alexander SCHWEDT Duke [JR] | 47.18 | 3 (4) | ||||||
| 33 |  | Jan Michael GUTIERREZ ALMEDINA Albany [SR] | 47.20 | 2 (7) | ||||||
| 34 |  | Lucas HONOHAN Massachusetts [SO] | 47.23 | 4 (8) | ||||||
| 35 | | Tyreke SAPP Virginia Tech [JR] | 47.31 | 3 (5) | ||||||
| 36 | | Ryan SAINT-GERMAIN North Carolina [JR] | 47.36 | 5 (5) | ||||||
| 37 |  | Charles SANDERS Akron [FR] | 47.42 | 1 (7) | ||||||
| 38 |  | Xavier ROGERS South Alabama [JR] | 47.49 | 3 (6) | ||||||
| 39 |  | Chase THORNHILL Gardner-Webb [JR] | 47.55 | 6 (6) | ||||||
| 40 |  | Anthony DELASANTA Rhode Island [JR] | 47.69 | 2 (8) | ||||||
| 41 |  | Malcolm DOTSON Purdue [SR] | 47.80 | 6 (7) | ||||||
| 42 |  | Abayie OPUNI Coppin State [JR] | 47.83 | 6 (8) | ||||||
| 43 | | Gabriel SERRANO Alabama [SO] | 47.94 | 1 (8) | ||||||
| 44 | | Khamal STEWART-BAYNES Miami (Fla.) [JR] | 48.01 | 5 (6) | ||||||
| 45 | | Emmanuel BYNUM Tennessee [FR] | 48.13 | 5 (7) | ||||||
| 46 |  | Sparticus GRIFFIN Kennesaw State [FR] | 48.99 | 3 (7) | ||||||
 | Noah WOODMAN Connecticut [SO] | DNF | 5 | |||||||
 | Jaquez TORIAN Mid. Tenn. State [JR] | DQ 15.5-2b | 3 |