| 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 | 1040 王星皓 | 01:54.16 | RT:0.59; 50M:26.07, 100M:54.61, 150M:1:25.11, 200M:1:54.16 | 水道：4 | |
| 2 | 2 | 5 | 高雄市 | 1059 安廷耀 | 01:54.18 | RT:0.71; 50M:25.62, 100M:53.86, 150M:1:24.90, 200M:1:54.18 | 水道：5 | |
| 3 | 1 | 4 | 花蓮縣 | 1137 鄭立為 | 01:55.40 | RT:0.75; 50M:27.81, 100M:57.11, 150M:1:26.39, 200M:1:55.40 | 水道：3 | |
| 4 | 1 | 5 | 新竹市 | 1150 許哲毓 | 01:55.52 | RT:0.62; 50M:26.02, 100M:53.95, 150M:1:25.12, 200M:1:55.52 | 水道：6 | |
| 5 | 3 | 4 | 臺南市 | 1047 黃硯歆 | 01:55.99 | RT:0.71; 50M:26.23, 100M:55.02, 150M:1:25.61, 200M:1:55.99 | 水道：2 | |
| 6 | 3 | 5 | 高雄市 | 1074 王郁濂 | 01:56.04 | RT:0.68; 50M:26.39, 100M:55.32, 150M:1:25.83, 200M:1:56.04 | 水道：7 | |
| 7 | 3 | 3 | 新竹市 | 1157 蔡易霖 | 01:57.45 | RT:0.73; 50M:27.15, 100M:57.19, 150M:1:27.85, 200M:1:57.45 | 水道：1 | |
| 8 | 3 | 7 | 花蓮縣 | 1135 潘子易 | 01:57.70 | RT:0.66; 50M:27.40, 100M:57.15, 150M:1:27.45, 200M:1:57.70 | 水道：8 | |
| 9 | 2 | 6 | 新北市 | 1018 林家戎 | 01:58.47 | RT:0.62; 50M:27.58, 100M:57.51, 150M:1:28.34, 200M:1:58.47 | | |
| 10 | 1 | 3 | 臺北市 | 1002 劉懷仁 | 01:59.45 | RT:0.69; 50M:27.35, 100M:57.48, 150M:1:28.40, 200M:1:59.45 | | |
| 11 | 1 | 2 | 桃園市 | 1083 黃柏易 | 02:00.68 | RT:0.82; 50M:27.88, 100M:57.87, 150M:1:29.00, 200M:2:00.68 | | |
| 12 | 3 | 6 | 臺中市 | 1043 劉昱昇 | 02:00.77 | RT:0.88; 50M:27.66, 100M:57.74, 150M:1:29.30, 200M:2:00.77 | | |
| 13 | 3 | 2 | 基隆市 | 1147 楊典恩 | 02:01.22 | RT:0.73; 50M:28.02, 100M:58.68, 150M:1:30.21, 200M:2:01.22 | | |
| 14 | 2 | 2 | 桃園市 | 1096 許成忻 | 02:01.72 | RT:0.89; 50M:27.79, 100M:58.15, 150M:1:29.95, 200M:2:01.72 | | |
| 15 | 1 | 6 | 新北市 | 1030 廖梓丞 | 02:03.02 | RT:0.78; 50M:28.21, 100M:59.19, 150M:1:31.53, 200M:2:03.02 | | |
| 16 | 2 | 7 | 基隆市 | 1146 黃宗瑋 | 02:05.10 | RT:0.75; 50M:29.08, 100M:1:01.02, 150M:1:33.50, 200M:2:05.10 | | |
| 17 | 3 | 8 | 臺南市 | 1056 陳 毅 | 02:07.35 | RT:0.83; 50M:27.73, 100M:59.33, 150M:1:32.70, 200M:2:07.35 | | |
| 18 | 3 | 1 | 臺東縣 | 1129 陳祈璋 | 02:08.60 | RT:0.73; 50M:29.30, 100M:1:01.44, 150M:1:35.12, 200M:2:08.60 | | |
| 19 | 1 | 7 | 新竹縣 | 1098 鄧福愷 | 02:09.24 | RT:0.88; 50M:29.52, 100M:1:02.54, 150M:1:36.11, 200M:2:09.24 | | |
| 20 | 1 | 1 | 屏東縣 | 1127 楊宗叡 | 02:09.31 | RT:0.98; 50M:29.36, 100M:1:01.59, 150M:1:35.51, 200M:2:09.31 | | |
| 21 | 2 | 1 | 新竹縣 | 1101 王奕翔 | 02:11.67 | RT:0.66; 50M:28.20, 100M:59.48, 150M:1:34.58, 200M:2:11.67 | | |
| 22 | 2 | 3 | 臺北市 | 1008 王冠閎 | 02:12.27 | RT:0.70; 50M:29.76, 100M:1:03.04, 150M:1:37.85, 200M:2:12.27 | | |