| Start List | Status |
|---|---|
| Women 400 M Xfinity Open (Final) | |
| Saturday 6:19 PM | Total #: 1 |
| 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 |
| Ln | Athlete | SB | PB | 1 | Quanera HAYES Nike | 51.58 | 49.72 | 2 | Makenzie DUNMORE Tracksmith | 50.35 | 50.35 | 3 | Lynna IRBY-JACKSON adidas | 50.38 | 49.80 | 4 | Britton WILSON Arkansas | 49.13 | 49.13 | 5 | Sydney MCLAUGHLIN-LEVRONE New Balance | 49.51 | 49.51 | 6 | Rosey EFFIONG Arkansas | 50.17 | 50.17 | 7 | Talitha DIGGS adidas | 50.35 | 49.99 | 8 | Jermaisha ARNOLD Texas A&M | 50.33 | 50.33 |
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