| Event | Final | Status | |
|---|---|---|---|
| Women 400 M Xfinity Open (Final) | 1|1 | ||
| Saturday 6:19 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 | 5 | Sydney MCLAUGHLIN-LEVRONE New Balance |
48.74 PB MR | 0.238 | |
| 2 | 4 | Britton WILSON Arkansas |
49.79 | 0.190 | |
| 3 | 7 | Talitha DIGGS adidas |
49.93 PB | 0.177 | |
| 4 | 3 | Lynna IRBY-JACKSON adidas |
50.11 SB | 0.194 | |
| 5 | 6 | Rosey EFFIONG Arkansas |
50.41 | 0.197 | |
| 6 | 2 | Makenzie DUNMORE Tracksmith |
50.96 | 0.186 | |
| 7 | 8 | Jermaisha ARNOLD Texas A&M |
51.12 | 0.260 | |
| 8 | 1 | Quanera HAYES Nike |
51.50 SB | 0.247 |