| Event | Heat | Status | |
|---|---|---|---|
| Men 400 Meter Hurdles 17-18 years old (Prelims) | 9| | ||
| Monday |
| Pl | Ln | Athlete | Time | |
|---|---|---|---|---|
| 1 | 3 | Bryce MCCRAY Greater Houston Track Club [03] |
52.62 | |
| 2 | 8 | Benny DIAZ Grand Rapids Track Club/GR Fir [03] |
54.68 | |
| 3 | 4 | Nakoah SYBRANT-FRANKLIN Killeen Track Xpress [02] |
55.05 | |
| 4 | 5 | Jermaine HARDISON Flytime [03] |
56.93 | |
| 5 | 6 | Dion WASHINGTON Westside Track Club [03] |
58.42 | |
| 6 | 7 | Augustas HAYNES Idaho Dash Track Club [04] |
59.98 | |
| 7 | 2 | Justin THEOPHILE Wind Speed Athletics [03] |
1:06.12 | |
| 8 | 1 | Matheus BRAGA River City Finish [04] |
1:06.18 |