| Event | Status |
|---|---|
| Women 400 M Nike Open (Prelims) | |
| Thursday 7:26 PM | Total Races: |
| 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 | Heat (pl) | React | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Jaide STEPTER Unattached | 51.05 | Q | 2 (1) | 0.203 | SB | ||||
| 2 | Rosaline EFFIONG Arkansas | 51.17 | Q | 3 (1) | 0.193 | |||||
| 3 | Talitha DIGGS Florida | 51.32 | Q | 3 (2) | 0.177 | |||||
| 4 | Kaylin WHITNEY Nike | 51.36 | Q | 3 (3) | 0.256 | SB | ||||
| 5 | Lynna IRBY adidas | 51.42 | Q | 2 (2) | 0.252 | |||||
| 6 | Shae ANDERSON U C L A | 51.51 | q | 3 (4) | 0.228 | |||||
| 7 | Taiya SHELBY Vanderbilt | 51.65 | q | 3 (5) | 0.208 | |||||
| 8 | Kendall ELLIS New Balance | 51.69 | Q | 4 (1) | 0.244 | |||||
| 9 | Wadeline JONATHAS adidas | 51.73 | Q | 4 (2) | 0.244 | |||||
| 10 | Taylor MANSON Florida | 51.78 (51.777) | Q | 2 (3) | 0.209 | |||||
| 11 | Na'Asha ROBINSON Unattached | 51.78 (51.778) | q | 2 (4) | 0.259 | SB | ||||
| 12 | Delecia MCDUFFIE N. Carolina A&T | 51.87 | q | 3 (6) | 0.213 | |||||
| 13 | MaKenzie DUNMORE South Carolina | 51.89 | 2 (5) | 0.173 | ||||||
| 14 | Kyra JEFFERSON Unattached | 52.09 | Q | 4 (3) | 0.303 | |||||
| 15 | Allyson FELIX Athleta | 52.30 | Q | 1 (1) | 0.207 | |||||
| 16 | Courtney OKOLO Unattached | 52.37 | 2 (6) | 0.244 | ||||||
| 17 | Kennedy SIMON Texas | 52.42 | Q | 1 (2) | 0.207 | |||||
| 18 | Jermaisha ARNOLD Coastal Carolina | 52.57 | Q | 1 (3) | 0.380 | |||||
| 19 | Alexis HOLMES Kentucky | 52.68 | 1 (4) | 0.200 | ||||||
| 20 | Stephanie DAVIS South Carolina | 52.73 | 1 (5) | 0.247 | ||||||
| 21 | Jessica BEARD Unattached | 52.79 | 4 (4) | 0.218 | ||||||
| 22 | Bailey LEAR U S C | 52.95 | 4 (5) | 0.212 | ||||||
| 23 | Shakima WIMBLEY adidas | 53.06 | 3 (7) | 0.240 | ||||||
| 24 | Moriah OLIVEIRA Miami | 53.42 | 1 (6) | 0.285 | ||||||
| 25 | Brittany AVENI Unattached | 53.74 | 1 (7) | 0.251 | ||||||
| 26 | Quanera HAYES Nike | 54.13 | 2 (7) | 0.218 | ||||||
| 27 | Kayla ARMSTRONG Concordia Chicag | 54.80 | 4 (6) | 0.265 | ||||||
| 28 | Chloe ABBOTT Unattached | 55.11 | 4 (7) | 0.249 | ||||||
| Dalilah MUHAMMAD Nike | DNS | 4 |