| Event | Heat | Status | |
|---|---|---|---|
| Women 400 M (Prelims) | 2|2 | ||
| Saturday 2:44 PM |
| Record | Athlete | Date | ||
|---|---|---|---|---|
| WR | World | Jarmila Kratochvilova - TCH | 49.59 | 3/7/1982 |
| AR | American | Kendall Ellis - USC | 50.34 | 3/10/2018 |
| MR | Meet | Sanya Richards-Ross - Nike | 50.71 | 2/26/2012 |
| WQ | WIC Q | 52.90 | 0 |
| Pl | Pos | Athlete | Time | 200m | 400m | ||
|---|---|---|---|---|---|---|---|
| 1 | 3 | Lynna IRBY adidas None |
52.49 | 0.222 | 24.27 [24.27] | 52.49 [28.22] | |
| 2 | 5 | Quanera HAYES NIKE WQ |
52.87 | 0.299 | 24.38 [24.38] | 52.87 [28.50] | |
| 3 | 6 | Naasha ROBINSON Unattached WQ |
53.32 | 0.220 | 24.40 [24.40] | 53.32 [28.92] | |
| 4 | 4 | Natashia JACKSON Unattached |
54.21 | 0.165 | 24.87 [24.87] | 54.21 [29.35] |
| Split | Intermediate Leader | Time | Fastest Split | Time |
|---|---|---|---|---|
| 200m | Lynna IRBY | 24.27 | Lynna IRBY | 24.27 | 400m | Lynna IRBY | 52.49 | Lynna IRBY | 28.22 |