| Event | Status |
|---|---|
| Women 400 M Nike Open (Semis) | |
| Friday 8:25 PM | Total Races: 2 |
| 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 | Athlete | Time | Semi (pl) | React | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Talitha DIGGS Florida | 50.88 | Q | 1 (1) | 0.175 | |||||
| 2 | Kendall ELLIS New Balance | 51.06 | Q | 2 (1) | 0.220 | |||||
| 3 | Kennedy SIMON Texas | 51.11 | Q | 1 (2) | 0.226 | |||||
| 4 | Jaide STEPTER Unattached | 51.26 | Q | 1 (3) | 0.221 | |||||
| 5 | Lynna IRBY adidas | 51.28 | Q | 2 (2) | 0.217 | |||||
| 6 | Wadeline JONATHAS adidas | 51.29 | Q | 2 (3) | 0.214 | SB | ||||
| 7 | Allyson FELIX Athleta | 51.32 | q | 1 (4) | 0.214 | |||||
| 8 | Kaylin WHITNEY Nike | 51.42 | q | 1 (5) | 0.295 | |||||
| 9 | Na'Asha ROBINSON Unattached | 51.50 | 2 (4) | 0.295 | SB | |||||
| 10 | Taylor MANSON Florida | 51.63 | 2 (5) | 0.222 | SB | |||||
| 11 | Kyra JEFFERSON Unattached | 51.66 | 2 (6) | 0.280 | ||||||
| 12 | Jermaisha ARNOLD Coastal Carolina | 51.78 | 1 (6) | 0.275 | ||||||
| 13 | Rosaline EFFIONG Arkansas | 51.81 | 2 (7) | 0.205 | ||||||
| 14 | Delecia MCDUFFIE N. Carolina A&T | 51.82 | 1 (7) | 0.297 | ||||||
| 15 | Shae ANDERSON U C L A | 52.14 | 1 (8) | 0.268 | ||||||
| 16 | Taiya SHELBY Vanderbilt | 52.40 | 2 (8) | 0.220 |