| Event | Sect | Status | |
|---|---|---|---|
| Women 400 M (Semi-Finals) | 2|2 | ||
| 19-Jun 7:20 PM |
| Record | Athlete | Date | ||
|---|---|---|---|---|
| MR | Meet | Chandra Cheeseborough - Ath. West | 49.28 | 6/19/1984 |
| AR | American | Sanya Richards - Nike | 48.70 | 9/17/2006 |
| WR | World | Marita Koch - GDR | 47.60 | 10/6/1985 |
| OG | OG Q | 51.35 |
| Pl | Ln | Athlete | Time | ||
|---|---|---|---|---|---|
| 1 | 7 | Quanera HAYES NIKE |
50.07 Q | 0.230 | |
| 2 | 5 | Wadeline JONATHAS adidas |
50.24 Q | 0.289 | |
| 3 | 4 | Kaylin WHITNEY NIKE |
50.35 Q | 0.241 | |
| 4 | 6 | Lynna IRBY adidas |
50.58 | 0.249 | |
| 5 | 8 | Taylor MANSON University of Florida |
51.11 | 0.169 | |
| 6 | 2 | NaAsha ROBINSON Unattached |
52.04 | 0.260 | |
| 7 | 3 | Olivia BECHTEL Miami University (Ohio) |
52.28 | 0.259 | |
| 8 | 9 | Brittany AVENI Duke University |
52.31 | 0.276 |