Heat 2
dimanche 22 juillet 2018, 16h39 GMT – 16h39 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Brianna McNeal | United States | 12.41″ |
| 2 | Christina Manning | United States | + 0.15″ |
| 3 | Sharika Nelvis | United States | + 0.2″ |
| 4 | Isabelle Pedersen | Norway | + 0.31″ |
| 5 | Queen Claye | United States | + 0.44″ |
| 6 | Luca Kozák | Hungary | + 0.62″ |
| 7 | Cindy Sember | Great Britain | + 0.85″ |
| 8 | Kori Carter | United States | + 0.87″ |
| 9 | Alicia Barrett | Great Britain | + 0.94″ |