| <- Back to Day 9 Results | Results |
| Men's 400 Meter Hurdles (Semi-Final) | 3:35pm |
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| Event Records |
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| Record | Tag | Time | Athlete | Affiliation | Date |
|---|---|---|---|---|---|
| World | W | 46.78 | Kevin Young | USA | August 6 1992 |
| American | A | 46.78 | Kevin Young | Foot Locker AC | August 6 1992 |
| Meet | M | 47.37 | Edwin Moses | Team adidas | July 17 1988 |
| OG A | 49.50 |
|
Finals, Advance 8, Top 4 Finishers advance |
| Heat 1 |
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| Lane | Name | Affiliation |
|---|---|---|
| 1 | Antonio Blanks | Ohio State |
| 2 | Reginald Wyatt Jr | U S C |
| 3 | Keyunta Hayes | U T S A |
| 4 | Justin Gaymon | Unattached |
| 5 | Kerron Clement | Nike |
| 6 | Bershawn Jackson | Nike |
| 7 | LaRon Bennett | Unattached |
| 8 | Alex Wilright | Evo Track Club |
| Heat 2 |
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| Lane | Name | Affiliation |
|---|---|---|
| 1 | Steven White | North Texas |
| 2 | Reuben Mccoy | Unattached |
| 3 | David Aristil | South Florida |
| 4 | Michael Stigler | Kansas |
| 5 | Angelo Taylor | Nike |
| 6 | Michael Tinsley | adidas |
| 7 | Johnny Dutch | Nike |
| 8 | Jeshua Anderson | Nike |