| 排名 | 組數 | 水道 | 單 位 | 姓 名 | 成 績 | 分段時間 | 晉 級 | 備 註 |
| 1 | 2 | 4 | 臺中市 | 2035 張芳語 | 04:29.10 | RT:0.76; 50M:30.81, 100M:1:04.32, 150M:1:38.22, 200M:2:12.36, 250M:2:46.61, 300M:3:21.22, 350M:3:55.42, 400M:4:29.10 | 水道：4 | |
| 2 | 3 | 4 | 屏東縣 | 2111 李彥妮 | 04:30.15 | RT:0.70; 50M:30.37, 100M:1:04.14, 150M:1:38.24, 200M:2:12.87, 250M:2:47.27, 300M:3:21.76, 350M:3:56.12, 400M:4:30.15 | 水道：5 | |
| 3 | 3 | 3 | 屏東縣 | 2110 郭芮安 | 04:33.91 | RT:0.67; 50M:30.92, 100M:1:05.62, 150M:1:40.53, 200M:2:15.67, 250M:2:50.45, 300M:3:25.45, 350M:4:00.36, 400M:4:33.91 | 水道：3 | |
| 4 | 2 | 3 | 臺北市 | 2007 楊宇晴 | 04:34.16 | RT:0.72; 50M:31.41, 100M:1:05.26, 150M:1:39.82, 200M:2:14.84, 250M:2:50.28, 300M:3:25.52, 350M:4:00.27, 400M:4:34.16 | 水道：6 | |
| 5 | 1 | 3 | 新北市 | 2026 王怡臻 | 04:35.30 | RT1:0.76, RT2:0.70, RT3:0.81, RT4:0.77; 50M:20.93, 100M:40.85, 50M:20.47, 50M:30.80, 100M:1:04.90, 150M:1:40.11, 200M:2:16.09, 250M:2:51.75, 300M:3:26.82, 350M:4:01.74, 400M:4:35.30 | 水道：2 | |
| 6 | 1 | 7 | 花蓮縣 | 2117 墨俐兒 | 04:35.37 | RT1:1.72, RT2:1.07, RT3:0.53, RT4:0.73; 50M:20.35, 100M:46.48, 50M:21.89, 50M:32.21, 100M:1:06.66, 150M:1:41.95, 200M:2:17.01, 250M:2:52.05, 300M:3:27.21, 350M:4:02.20, 400M:4:35.37 | 水道：7 | |
| 7 | 3 | 5 | 新竹市 | 2129 李宥彤 | 04:35.52 | RT:0.76; 50M:31.48, 100M:1:05.74, 150M:1:40.60, 200M:2:15.94, 250M:2:51.26, 300M:3:26.70, 350M:4:01.09, 400M:4:35.52 | 水道：1 | |
| 8 | 2 | 5 | 高雄市 | 2058 陳思安 | 04:35.61 | RT:0.76; 50M:30.99, 100M:1:05.00, 150M:1:39.89, 200M:2:15.26, 250M:2:50.54, 300M:3:26.23, 350M:4:01.34, 400M:4:35.61 | 水道：8 | |
| 9 | 3 | 6 | 高雄市 | 2064 顏莉水 | 04:38.02 | RT:0.65; 50M:31.56, 100M:1:05.84, 150M:1:40.68, 200M:2:15.67, 250M:2:51.26, 300M:3:26.86, 350M:4:02.88, 400M:4:38.02 | | |
| 10 | 2 | 7 | 臺北市 | 2014 趙家卉 | 04:38.80 | RT:0.68; 50M:31.89, 100M:1:06.44, 150M:1:41.72, 200M:2:17.03, 250M:2:52.98, 300M:3:29.18, 350M:4:04.30, 400M:4:38.80 | | |
| 11 | 1 | 4 | 新竹市 | 2128 蔣佩君 | 04:41.58 | RT1:0.60, RT2:0.71, RT3:0.78, RT4:0.86; 50M:20.32, 100M:41.23, 50M:20.79, 50M:31.98, 100M:1:06.27, 150M:1:41.39, 200M:2:17.13, 250M:2:53.35, 300M:3:29.57, 350M:4:05.72, 400M:4:41.58 | | |
| 12 | 3 | 7 | 臺東縣 | 2114 徐芳澄 | 04:42.16 | RT:0.74; 50M:32.12, 100M:1:06.35, 150M:1:41.33, 200M:2:16.36, 250M:2:52.39, 300M:3:29.01, 350M:4:06.01, 400M:4:42.16 | | |
| 13 | 2 | 6 | 臺中市 | 2045 蘇敏榕 | 04:42.88 | RT:0.79; 50M:31.46, 100M:1:05.61, 150M:1:41.01, 200M:2:17.00, 250M:2:53.15, 300M:3:29.72, 350M:4:06.55, 400M:4:42.88 | | |
| 14 | 3 | 2 | 彰化縣 | 2097 程璉如 | 04:44.97 | RT:0.76; 50M:32.45, 100M:1:06.96, 150M:1:42.65, 200M:2:18.17, 250M:2:53.75, 300M:3:30.34, 350M:4:08.04, 400M:4:44.97 | | |
| 15 | 1 | 6 | 彰化縣 | 2098 莊詠琇 | 04:46.86 | RT1:0.45, RT2:0.41, RT3:0.66, RT4:0.76; 50M:21.04, 100M:41.18, 50M:21.08, 50M:32.08, 100M:1:08.25, 150M:1:44.84, 200M:2:21.64, 250M:2:58.58, 300M:3:35.08, 350M:4:11.42, 400M:4:46.86 | | |
| 16 | 3 | 1 | 臺南市 | 2050 卓盈佳 | 04:52.32 | RT:0.75; 50M:32.77, 100M:1:08.64, 150M:1:45.78, 200M:2:23.00, 250M:3:00.55, 300M:3:38.33, 350M:4:15.96, 400M:4:52.32 | | |
| 17 | 1 | 2 | 基隆市 | 2120 謝宜臻 | 04:52.86 | RT1:0.82, RT2:0.76, RT3:0.60, RT4:0.83; 50M:20.89, 100M:41.16, 50M:20.88, 50M:32.88, 100M:1:09.39, 150M:1:46.16, 200M:2:23.53, 250M:3:00.89, 300M:3:38.31, 350M:4:15.86, 400M:4:52.86 | | |
| 18 | 3 | 8 | 花蓮縣 | 2118 墨 耘 | 04:54.97 | RT:; 50M:32.67, 100M:1:08.46, 150M:1:44.85, 200M:2:22.46, 250M:3:00.92, 300M:3:39.31, 350M:4:17.42, 400M:4:54.97 | | |
| 19 | 2 | 1 | 雲林縣 | 2099 曾清心 | 04:55.16 | RT:0.77; 50M:32.17, 100M:1:08.39, 150M:1:45.46, 200M:2:23.17, 250M:3:00.79, 300M:3:39.17, 350M:4:17.64, 400M:4:55.16 | | |
| 20 | 1 | 1 | 臺南市 | 2046 賴怡婷 | 04:56.09 | RT1:0.54, RT2:0.60, RT3:0.73, RT4:0.96; 50M:21.16, 100M:40.59, 50M:20.59, 50M:32.48, 100M:1:07.98, 150M:1:45.33, 200M:2:22.88, 250M:3:01.67, 300M:3:39.95, 350M:4:18.77, 400M:4:56.09 | | |
| 21 | 2 | 8 | 桃園市 | 2082 蕭尹婷 | 05:02.38 | RT:0.88; 50M:33.46, 100M:1:10.29, 150M:1:49.02, 200M:2:27.64, 250M:3:06.97, 300M:3:46.84, 350M:4:24.75, 400M:5:02.38 | | |
| 22 | 2 | 2 | 基隆市 | 2122 張立瑜 | | | | 請假 |
| 23 | 1 | 5 | 新北市 | 2024 張家瑜 | | | | 請假 |