Final | time | gap | L | React. | pts | 1. Regan Smith | United States | 2:03.69 | | 4 | 0.55 | 1009 | 2. Kaylee McKeown | Australia | 2:06.26 | +2.57s | 7 | 0.59 | 948 | 3. Kylie Masse | Canada | 2:06.62 | +2.93s | 5 | 0.56 | 940 | 4. Margherita Panziera | Italy | 2:06.67 | +2.98s | 3 | 0.64 | 939 | 5. Taylor Ruck | Canada | 2:07.50 | +3.81s | 1 | 0.63 | 921 | 6. Minna Atherton | Australia | 2:08.26 | +4.57s | 6 | 0.63 | 904 | 7. Katalin Burián | Hungary | 2:08.65 | +4.96s | 8 | 0.65 | 896 | 8. Katinka Hosszú | Hungary | 2:10.08 | +6.39s | 2 | 0.61 | 867 |
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| First 8 advanced to Final. |
Ranking | time | L | H | Semifinal 1 | 1. Minna Atherton | Australia | 2:07.38 | 3 | 4. | 2. Katinka Hosszú | Hungary | 2:07.48 | 4 | 5. | 3. Kaylee McKeown | Australia | 2:08.19 | 5 | 6. | 4. Taylor Ruck | Canada | 2:08.42 | 1 | 7. | 5. Natsumi Sakai | Japan | 2:10.11 | 7 | 11. | 6. Ali Galyer | New Zealand | 2:10.19 | 6 | 12. | 7. Tatiana Salcuțan | Moldova | 2:10.82 | 2 | 14. | 8. Jessica Fullalove | Great Britain | 2:11.12 | 8 | 15. | Semifinal 2 | 1. Regan Smith | United States | 2:03.35 WR | 4 | 1. | 2. Kylie Masse | Canada | 2:06.57 | 3 | 2. | 3. Margherita Panziera | Italy | 2:06.62 | 5 | 3. | 4. Katalin Burián | Hungary | 2:09.40 | 6 | 8. | 5. Kathleen Baker | United States | 2:09.68 | 2 | 9. | 6. Anastasia Avdeeva | Russia | 2:09.78 | 7 | 10. | 7. Zamorano África | Spain | 2:10.54 | 1 | 13. | 8. Liu Yaxin | China | 2:12.93 | 8 | 16. |
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