Final | time | gap | L | React. | Pts | 1. Sarah Sjöström | Sweden | 25.02s | | 4 | 0.67 | 930 | 2. Ranomi Kromowidjojo | Netherlands | 25.35s | +0.33s | 5 | 0.67 | 895 | 3. Farida Osman | Egypt | 25.47s | +0.45s | 2 | 0.67 | 882 | 4. Kelsi Dahlia | United States | 25.48s AM | +0.46s | 6 | 0.67 | 881 | 5. Marie Wattel | France | 25.50s | +0.48s | 3 | 0.67 | 879 | 6. Penny Oleksiak | Canada | 25.69s | +0.67s | 7 | 0.67 | 859 | 7. Jeanette Ottesen | Denmark | 26.11s | +0.74s | 8 | 0.67 | 852 | 8. Brianna Throssell | Australia | 25.76s | +1.09s | 1 | 0.67 | 819 |
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64 competitors from 58 nations. | Not Olympic Event. |
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World Record: Sarah Sjöström (SWE) 24.43s Borås, Sweden, 5 July 2014 | World Championships Record: Sarah Sjöström (SWE) 24.60s Budapest, Hungary, 29 July 2017 | World Junior Record: |
Ranking | time | L | SR | Semifinal 1 | 1. Marie Wattel | France | 25.56s | 6 | 3. | 2. Kelsi Dahlia | United States | 25.59s | 4 | 4. | 3. Penny Oleksiak | Canada | 25.93s | 5 | 6. | 4. Arina Surkova | Russia | 26.06s | 8 | 9. | 5. Louise Hansson | Sweden | 26.10s | 3 | 10. | 6. Zhang Yufei | China | 26.18s | 7 | 12. | 7. Wang Yichun | China | 26.21s | 2 | 13. | 8. Kimberly Buys | Belgyum | 26.51s | 1 | 16. | Semifinal 1 | 1. Sarah Sjöström | Sweden | 24.79s | 4 | 1. | 2. Ranomi Kromowidjojo | Netherlands | 25.54s | 3 | 2. | 3. Farida Osman | Egypt | 25.79s | 5 | 5. | 4. Brianna Throssell | Australia | 25.93s | 1 | 6. | 5. Jeanette Ottesen | Denmark | 26.01s | 2 | 8. | 6. Elena Di Liddo | Italy | 26.16s | 6 | 11. | 7. Maggie MacNeil | Canada | 26.28s | 7 | 14. | 8. Anna Ntountounaki | Greece | 26.31s | 8 | 15. |
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