| Event | Semi | Status | |
|---|---|---|---|
| Women 400 M Xfinity Open (Semis) | 2| | ||
| Friday 8:29 PM |
| Record | Athlete | Date | ||
|---|---|---|---|---|
| WR | World | Marita Koch - GDR | 47.60 | 10/6/1985 |
| AR | American | Sanya Richards - Nike | 48.70 | 9/17/2006 |
| MR | Meet | Sanya Richards - Nike | 49.27 | 6/24/2006 |
| FR | Facility | Shaunae Miller-Uibo - BAH | 49.08 | 4/24/2021 |
| WQ | World Champ Q | 51.00 |
| Pl | Ln | Athlete | Time | ||
|---|---|---|---|---|---|
| 1 | 4 | Britton WILSON Arkansas |
50.59 Q | 0.194 | |
| 2 | 6 | Talitha DIGGS Florida |
50.95 Q | 0.221 | |
| 3 | 7 | Jermaisha ARNOLD Texas A&M |
51.27 Q | 0.247 | |
| 4 | 5 | Makenzie DUNMORE Tracksmith |
51.51 | 0.171 | |
| 5 | 8 | Alexis HOLMES Nike |
51.68 | 0.203 | |
| 6 | 2 | Kendall ELLIS New Balance |
51.70 | 0.232 | |
| 7 | 3 | Ziyah HOLMAN Michigan |
52.37 | 0.304 | |
| 8 | 1 | Wadeline JONATHAS adidas |
52.64 | 0.281 |