===Heat 3===
{| class="wikitable sortable" style="text-align:center"
!Placering
!Bane
!width=200|Udøver
!Nation
!Resultat
!class=unsortable|Note
|-bgcolor=ccffcc
| 1 || 5 || align=left|{{sortname|Ashley|Spencer|dab=athlete}} || align=left|{{flagikon|USA}} || 55.12 || Q
|-bgcolor=ccffcc
| 2 || 7 || align=left|{{sortname|Leah|Nugent}} || align=left|{{flagikon|JAM}} || 55.66 || Q
|-bgcolor=ccffcc
| 2 || 6 || align=left|{{sortname|Viktoriya|Tkachuk}} || align=left|{{flagikon|UKR}} || 56.14 || Q
|-bgcolor=ddffdd
| 3 || 8 || align=left|{{sortname|Denisa|Rosolova}} || align=left|{{flagikon|CZE}} || 56.36 || q
|-
| 4 || 1 || align=left|{{sortname|Lea|Sprunger}} || align=left|{{flagikon|SUI}} || 56.58 || 
|-
| 5 || 3 || align=left|{{sortname|Amalie|Iuel}} || align=left|{{flagikon|NOR}} || 56.75 || 
|-
| 6 || 4 || align=left|{{sortname|Hayat|Lambarki}} || align=left|{{flagikon|MAR}} || 1:00.83 || 
|-
| 7 || 2 || align=left|{{sortname|Lilit|Harutyunyan|dab=athlete}} || align=left|{{flagikon|ARM}} || 1:03.13 || 
|}
Sport