| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|---|
| 1 | 1 | 2 | 1801 | Diribe WELTEJI |
ETH |
3:55.10 Q |
| 2 | 2 | 2 | 1531 | Jessica HULL |
AUS |
3:55.40 Q |
| 3 | 3 | 2 | 2438 | Nikki HILTZ |
USA |
3:56.17 Q |
| 4 | 4 | 2 | 257 | Gudaf TSEGAY |
ETH |
3:56.41 Q |
| 5 | 5 | 2 | 2107 | Susan Lokayo EJORE |
KEN |
3:56.57 Q PB |
| 6 | 6 | 2 | 1831 | Agathe GUILLEMOT |
FRA |
3:56.69 Q NR |
| 7 | 7 | 2 | 2258 | Weronika LIZAKOWSKA |
POL |
3:57.31 NR |
| 8 | 8 | 2 | 1774 | Marta PÉREZ |
ESP |
3:57.75 NR |
| 9 | 9 | 2 | 1894 | Revee WALCOTT-NOLAN |
GBR |
3:58.08 PB |
| 10 | 10 | 2 | 2039 | Sintayehu VISSA |
ITA |
3:58.11 NR |
| 11 | 1 | 1 | 2111 | Faith KIPYEGON |
KEN |
3:58.64 Q |
| 12 | 2 | 1 | 1864 | Georgia BELL |
GBR |
3:59.49 Q |
| 13 | 11 | 2 | 2093 | Nozomi TANAKA |
JPN |
3:59.70 SB |
| 14 | 3 | 1 | 2472 | Elle ST. PIERRE |
USA |
3:59.74 Q |
| 15 | 4 | 1 | 1882 | Laura MUIR |
GBR |
3:59.83 Q |
| 16 | 12 | 2 | 2279 | Salomé AFONSO |
POR |
3:59.96 PB |
| 17 | 5 | 1 | 2250 | Klaudia KAZIMIERSKA |
POL |
4:00.21 Q PB |
| 18 | 6 | 1 | 1765 | Águeda MARQUÉS |
ESP |
4:01.90 Q |
| 19 | 7 | 1 | 1759 | Esther GUERRERO |
ESP |
4:01.94 |
| 20 | 13 | 2 | 2453 | Emily MACKAY |
USA |
4:02.03 |
| 21 | 8 | 1 | 2230 | Maia RAMSDEN |
NZL |
4:02.20 NR |
| 22 | 9 | 1 | 1527 | Georgia GRIFFITH |
AUS |
4:02.69 |
| 23 | 10 | 1 | 1796 | Birke HAYLOM |
ETH |
4:03.11 |
| 24 | 11 | 1 | 2103 | Nelly CHEPCHIRCHIR |
KEN |
4:03.24 |
| 25 | 12 | 1 | 2011 | Ludovica CAVALLI |
ITA |
4:03.59 |