| Event | Semi | Status | |
|---|---|---|---|
| Women 400 M Nike Open (Semis) | 2|2 | ||
| Friday 8:25 PM |
| Record | Athlete | Date | ||
|---|---|---|---|---|
| MR | Meet | Sanya Richards - Nike | 49.27 | 6/24/2006 |
| FR | Hayward | Shaunae Miller-Uibo - BAH | 49.08 | 4/24/2021 |
| AR | American | Sanya Richards - Nike | 48.70 | 9/17/2006 |
| WR | World | Marita Koch - GDR | 47.60 | 10/6/1985 |
| WQ | World Qualifier | 51.35 |
| Pl | Ln | Athlete | Time | ||
|---|---|---|---|---|---|
| 1 | 5 | Kendall ELLIS New Balance |
51.06 Q | 0.220 | |
| 2 | 4 | Lynna IRBY adidas |
51.28 Q | 0.217 | |
| 3 | 6 | Wadeline JONATHAS adidas |
51.29 Q SB | 0.214 | |
| 4 | 9 | Na'Asha ROBINSON Unattached |
51.50 SB | 0.295 | |
| 5 | 8 | Taylor MANSON Florida |
51.63 SB | 0.222 | |
| 6 | 3 | Kyra JEFFERSON Unattached |
51.66 | 0.280 | |
| 7 | 7 | Rosaline EFFIONG Arkansas |
51.81 | 0.205 | |
| 8 | 2 | Taiya SHELBY Vanderbilt |
52.40 | 0.220 |