400m Hurdles / Women
mercredi 4 juillet 2018 – jeudi 5 juillet 2018
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Shamier Little | United States | 53.41″ |
| 2 |  Janieve Russell | Jamaica | + 0.05″ |
| 3 | Georganne Moline | United States | + 0.49″ |
| 4 | Dalilah Muhammad | United States | + 1.2″ |
| 5 | Ashley Spencer | United States | + 1.33″ |
| 6 | Lea Sprunger | Switzerland | + 1.38″ |
| 7 | Cassandra Tate | United States | + 2.04″ |
| 8 |  Sara Slott Petersen | Denmark | + 37.2″ |