| Event | Heat | Status | |
|---|---|---|---|
| Men 400 Meter Hurdles 17-18 years old (Prelims) | 6| | ||
| Monday |
| Pl | Ln | Athlete | Time | |
|---|---|---|---|---|
| 1 | 6 | Alexander ORNELAS Greater Houston Track Club [04] |
55.07 | |
| 2 | 5 | Ethan ELLIS Unattached [04] |
56.34 | |
| 3 | 1 | Armon HOWARD Elite Performance XL [04] |
57.80 | |
| 4 | 4 | Meinkaikay KAYE Unattached [02] |
58.25 | |
| 5 | 2 | Amarion HOWARD Elite Performance XL [04] |
59.51 | |
| 6 | 8 | Demarlynn TAYLOR East St. Louis Greyhounds TC [04] |
1:00.72 | |
| 7 | 7 | Andrew ROBINSON St. Louis Pal [03] |
1:03.57 | |
| DNS | 3 | Zakell JOHNSON Roe Blaze Speed [02] |
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