| 排名 | 組數 | 水道 | 單 位 | 姓 名 | 成 績 | 分段時間 | 晉 級 | 備 註 |
| 1 | 2 | 4 | 新北市 | 2028 林昱均 | 02:19.78 | RT:0.77; 50M:31.79, 100M:1:06.94, 150M:1:43.52, 200M:2:19.78 | 水道：4 | |
| 2 | 2 | 5 | 臺北市 | 2001 程琬容 | 02:20.15 | RT:0.76; 50M:30.83, 100M:1:06.46, 150M:1:43.16, 200M:2:20.15 | 水道：5 | |
| 3 | 1 | 4 | 高雄市 | 2066 徐 安 | 02:23.12 | RT:0.69; 50M:31.01, 100M:1:06.38, 150M:1:44.01, 200M:2:23.12 | 水道：3 | |
| 4 | 2 | 6 | 臺北市 | 2005 劉姵吟 | 02:23.51 | RT:0.74; 50M:31.29, 100M:1:07.27, 150M:1:45.02, 200M:2:23.51 | 水道：6 | |
| 5 | 1 | 5 | 新北市 | 2026 王怡臻 | 02:24.03 | RT:0.72; 50M:31.80, 100M:1:09.85, 150M:1:47.20, 200M:2:24.03 | 水道：2 | |
| 6 | 1 | 6 | 基隆市 | 2120 謝宜臻 | 02:24.18 | RT:0.84; 50M:33.21, 100M:1:09.77, 150M:1:46.93, 200M:2:24.18 | 水道：7 | |
| 7 | 1 | 3 | 臺中市 | 2042 張妃婷 | 02:26.34 | RT:0.67; 50M:31.29, 100M:1:07.88, 150M:1:46.35, 200M:2:26.34 | 水道：1 | |
| 8 | 2 | 3 | 高雄市 | 2070 許素馨 | 02:28.89 | RT:0.75; 50M:34.07, 100M:1:11.31, 150M:1:50.10, 200M:2:28.89 | 水道：8 | |
| 9 | 2 | 1 | 臺南市 | 2053 吳雨宸 | 02:29.48 | RT:0.84; 50M:32.62, 100M:1:10.45, 150M:1:50.20, 200M:2:29.48 | | |
| 10 | 1 | 2 | 桃園市 | 2080 王婉蓁 | 02:30.21 | RT:0.78; 50M:32.55, 100M:1:10.12, 150M:1:49.69, 200M:2:30.21 | | |
| 11 | 1 | 8 | 彰化縣 | 2098 莊詠琇 | 02:31.50 | RT:0.77; 50M:33.35, 100M:1:11.78, 150M:1:51.78, 200M:2:31.50 | | |
| 12 | 1 | 7 | 臺南市 | 2056 潘思穎 | 02:33.42 | RT:0.77; 50M:34.46, 100M:1:13.49, 150M:1:53.32, 200M:2:33.42 | | |
| 13 | 1 | 1 | 彰化縣 | 2096 吳秋蓉 | 02:33.89 | RT:0.79; 50M:34.93, 100M:1:14.41, 150M:1:54.48, 200M:2:33.89 | | |
| 14 | 2 | 2 | 臺中市 | 2039 王亭之 | 02:37.39 | RT:0.76; 50M:33.03, 100M:1:12.20, 150M:1:53.74, 200M:2:37.39 | | |
| 15 | 2 | 7 | 臺東縣 | 2114 徐芳澄 | 02:38.11 | RT:0.76; 50M:33.52, 100M:1:12.80, 150M:1:54.94, 200M:2:38.11 | | |
| 16 | 2 | 8 | 桃園市 | 2074 張大育 | 02:40.57 | RT:0.76; 50M:34.04, 100M:1:12.78, 150M:1:55.09, 200M:2:40.57 | | |