| 排名 | 組數 | 水道 | 單 位 | 姓 名 | 成 績 | 分段時間 | 晉 級 | 備 註 |
| 1 | 2 | 4 | 花蓮縣 | 1134 鍾魏永杰 | 04:04.59 | RT:0.76; 50M:28.83, 100M:1:00.37, 150M:1:32.11, 200M:2:03.53, 250M:2:33.91, 300M:3:04.79, 350M:3:35.29, 400M:4:04.59 | 水道：4 | |
| 2 | 3 | 3 | 高雄市 | 1059 安廷耀 | 04:05.56 | RT:0.80; 50M:28.52, 100M:59.00, 150M:1:30.21, 200M:2:01.68, 250M:2:33.64, 300M:3:05.10, 350M:3:36.36, 400M:4:05.56 | 水道：5 | |
| 3 | 3 | 5 | 新竹市 | 1150 許哲毓 | 04:05.59 | RT:0.63; 50M:27.94, 100M:58.63, 150M:1:29.97, 200M:2:01.55, 250M:2:33.17, 300M:3:04.85, 350M:3:35.91, 400M:4:05.59 | 水道：3 | |
| 4 | 3 | 4 | 花蓮縣 | 1133 黃國庭 | 04:05.76 | RT:0.72; 50M:28.45, 100M:58.99, 150M:1:30.14, 200M:2:01.61, 250M:2:33.17, 300M:3:04.95, 350M:3:36.22, 400M:4:05.76 | 水道：6 | |
| 5 | 2 | 3 | 高雄市 | 1063 張博威 | 04:06.18 | RT:0.76; 50M:28.63, 100M:1:00.11, 150M:1:31.68, 200M:2:02.75, 250M:2:33.87, 300M:3:04.89, 350M:3:35.94, 400M:4:06.18 | 水道：2 | |
| 6 | 2 | 5 | 新竹市 | 1152 許哲維 | 04:06.46 | RT:0.72; 50M:28.58, 100M:59.75, 150M:1:31.23, 200M:2:02.68, 250M:2:34.37, 300M:3:06.00, 350M:3:36.84, 400M:4:06.46 | 水道：7 | |
| 7 | 1 | 4 | 臺中市 | 1040 王星皓 | 04:10.71 | RT:0.62; 50M:28.15, 100M:59.36, 150M:1:31.42, 200M:2:03.97, 250M:2:36.25, 300M:3:08.37, 350M:3:39.11, 400M:4:10.71 | 水道：1 | |
| 8 | 1 | 2 | 新北市 | 1029 曾楷文 | 04:11.11 | RT:0.79; 50M:28.30, 100M:59.52, 150M:1:32.25, 200M:2:04.00, 250M:2:37.06, 300M:3:08.40, 350M:3:40.30, 400M:4:11.11 | 水道：8 | |
| 9 | 1 | 5 | 臺中市 | 1041 陳昱淞 | 04:11.66 | RT:0.70; 50M:27.89, 100M:58.80, 150M:1:31.07, 200M:2:03.52, 250M:2:35.95, 300M:3:08.36, 350M:3:40.32, 400M:4:11.66 | | |
| 10 | 1 | 6 | 臺北市 | 1006 黃冠綸 | 04:12.57 | RT:0.73; 50M:28.11, 100M:59.30, 150M:1:31.36, 200M:2:03.86, 250M:2:36.43, 300M:3:09.10, 350M:3:41.56, 400M:4:12.57 | | |
| 11 | 3 | 6 | 基隆市 | 1147 楊典恩 | 04:14.04 | RT:0.67; 50M:29.23, 100M:1:00.67, 150M:1:33.44, 200M:2:06.16, 250M:2:39.02, 300M:3:11.36, 350M:3:43.83, 400M:4:14.04 | | |
| 12 | 3 | 7 | 新北市 | 1028 石榮成 | 04:15.81 | RT:0.79; 50M:29.22, 100M:1:00.95, 150M:1:33.70, 200M:2:06.46, 250M:2:39.02, 300M:3:11.50, 350M:3:44.24, 400M:4:15.81 | | |
| 13 | 2 | 6 | 臺北市 | 1011 張家濬 | 04:17.23 | RT:0.75; 50M:29.10, 100M:1:01.15, 150M:1:33.95, 200M:2:06.54, 250M:2:39.35, 300M:3:12.41, 350M:3:45.21, 400M:4:17.23 | | |
| 14 | 2 | 2 | 桃園市 | 1089 陳昀良 | 04:20.11 | RT:0.85; 50M:29.05, 100M:1:01.07, 150M:1:33.76, 200M:2:06.83, 250M:2:40.04, 300M:3:13.60, 350M:3:47.40, 400M:4:20.11 | | |
| 15 | 3 | 1 | 臺南市 | 1056 陳 毅 | 04:30.21 | RT:0.83; 50M:29.14, 100M:1:02.43, 150M:1:37.35, 200M:2:12.27, 250M:2:47.92, 300M:3:22.88, 350M:3:58.38, 400M:4:30.21 | | |
| 16 | 3 | 2 | 桃園市 | 1086 彭鈺棠 | 04:30.80 | RT:0.64; 50M:30.50, 100M:1:02.89, 150M:1:36.86, 200M:2:11.20, 250M:2:46.34, 300M:3:21.35, 350M:3:56.39, 400M:4:30.80 | | |
| 17 | 1 | 3 | 基隆市 | 1145 莊子賢 | 04:32.04 | RT:0.71; 50M:30.60, 100M:1:04.73, 150M:1:39.50, 200M:2:14.77, 250M:2:49.32, 300M:3:24.92, 350M:3:59.53, 400M:4:32.04 | | |
| 18 | 2 | 7 | 臺南市 | 1050 陳煒承 | 04:32.96 | RT:0.83; 50M:29.65, 100M:1:02.49, 150M:1:36.54, 200M:2:11.34, 250M:2:46.80, 300M:3:22.34, 350M:3:58.12, 400M:4:32.96 | | |
| 19 | 1 | 7 | 新竹縣 | 1098 鄧福愷 | 04:33.79 | RT:0.85; 50M:29.83, 100M:1:03.04, 150M:1:37.42, 200M:2:12.46, 250M:2:48.08, 300M:3:23.68, 350M:3:59.46, 400M:4:33.79 | | |
| 20 | 2 | 1 | 新竹縣 | 1105 林柏漢 | 04:36.52 | RT:0.69; 50M:30.10, 100M:1:03.18, 150M:1:38.51, 200M:2:13.82, 250M:2:49.73, 300M:3:25.47, 350M:4:02.47, 400M:4:36.52 | | |
| 21 | 1 | 1 | 屏東縣 | 1127 楊宗叡 | 04:38.43 | RT:0.97; 50M:29.95, 100M:1:03.90, 150M:1:39.67, 200M:2:15.59, 250M:2:51.89, 300M:3:28.36, 350M:4:04.46, 400M:4:38.43 | | |