800 metres Freestyle, Women
Participants
| Nr. | Athlete | NOC |
|---|---|---|
| 1 | Delfina Pignatiello |  ARG |
| 2 | Kiah Melverton |  AUS |
| 3 | Ariarne Titmus | AUS |
| 4 | Marlene Kahler |  AUT |
| 5 | Viviane Jungblut |  BRA |
| 6 | Summer McIntosh |  CAN |
| 7 | Kristel Köbrich |  CHI |
| 8 | Li Bingjie |  CHN |
| 9 | Wang Jianjiahe | CHN |
| 10 | Mireia Belmonte |  ESP |
| 11 | Jimena Pérez | ESP |
| 12 | Isabel Gose |  GER |
| 13 | Sarah Köhler | GER |
| 14 | Ajna Késely |  HUN |
| 15 | Martina Caramignoli |  ITA |
| 16 | Simona Quadarella | ITA |
| 17 | Waka Kobori |  JPN |
| 18 | Miyu Namba | JPN |
| 19 | Han Da-Gyeong |  KOR |
| 20 | Julia Hassler |  LIE |
| 21 | Eve Thomas |  NZL |
| 22 | Tamila Holub |  POR |
| 23 | Anastasiya Kirpichnikova |  ROC |
| 24 | Katja Fain |  SLO |
| 25 | Arianna Valloni |  SMR |
| 26 | Deniz Ertan |  TUR |
| 27 | Merve Tuncel | TUR |
| 28 | Katie Grimes |  USA |
| 29 | Katie Ledecky | USA |
| 30 | Nguyễn Thị Ánh Viên |  VIE |
Non-starters
| Nr. | Athlete | NOC |
|---|---|---|
| 1 | Anna Yegorova | ROC |