| Event | Heat | Status | |
|---|---|---|---|
| Women 400 M (1st Round) | 1|4 | ||
| 18-Jun 4:30 PM |
| Record | Athlete | Date | ||
|---|---|---|---|---|
| MR | Meet | Chandra Cheeseborough - Ath. West | 49.28 | 6/19/1984 |
| AR | American | Sanya Richards - Nike | 48.70 | 9/17/2006 |
| WR | World | Marita Koch - GDR | 47.60 | 10/6/1985 |
| OG | OG Q | 51.35 |
| Pl | Ln | Athlete | Time | ||
|---|---|---|---|---|---|
| 1 | 5 | Allyson FELIX Athleta |
50.99 Q OG | 0.156 | |
| 2 | 6 | Jessica BEARD adidas |
51.10 Q OG | 0.342 | |
| 3 | 8 | Jaide STEPTER BAYNES Unattached |
51.21 Q SB OG | 0.231 | |
| 4 | 4 | NaAsha ROBINSON Unattached |
51.30 PB OG | 0.360 | |
| 5 | 7 | Chloe ABBOTT On Athletics Club |
52.52 | 0.247 | |
| 6 | 2 | Joanna ATKINS Unattached |
52.89 SB | 0.215 | |
| 7 | 3 | Stephanie DAVIS University of South Carolina |
52.89 | 0.235 |