Place | Athlete Name | Yr | Affiliation | Time | Qual |
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1 | Tony McQuay | JR | Florida | 45.85 | q | 2 | Marek Niit | JR | Arkansas | 46.08 | q | 3 | Thomas Murdaugh | JR | Ohio State | 46.27 | q | 4 | David Verburg | JR | George Mason | 46.52 | | |
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Place | Athlete Name | Yr | Affiliation | Time | Qual |
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1 | Brycen Spratling | SO | Pittsburgh | 46.13 | q | 2 | Mike Berry | SO | Oregon | 46.25 | q | 3 | Tavaris Tate | JR | Mississippi State | 46.44 | | 4 | Deon Lendore | FR | Texas A&M | 46.81 | |
|