| 1 | Dongxue Xi (Neo) Yuhan Ma (B2) Ruijie Ma (C2) | CHN | 3:08.44 | TR, SB | - |
| 2 | Jiaying Tao (Senior) Xiangyu Chen (A2) Mei Han (Neo) Dan Li (Senior) Jiachen Hao (Senior) | CHN | 3:09.08 | | +0.640 |
| 4 | Qi Yin (Senior) | CHN | 3:15.37 | | +6.930 |
| 5 | Ahenaer Adake (Neo) Nazhatihan Bihan (Neo) Jiayang Geng (B2) | CHN | 3:16.23 | SB | +7.790 |
| 6 | Na Cheng (C2) Junbing Yao (B2) Mengxin Li (B1) | CHN | 3:20.93 | | +12.490 |
| 7 | Dan Wu (Neo) Yuting Zhou (A2) Xiaonan Liu (Neo) | CHN | 3:22.74 | | +14.300 |
| 8 | Ke Ding (Neo) Yueting Wu (A2) Jie Jing (B1) Yulin Huang (B1) | CHN | 3:24.27 | PB | +15.830 |
| 10 | Lilan Jin (Neo) Yueyue Wang (Neo) Wenjing Jin (B1) | CHN | 3:24.86 | | +16.420 |
| 11 | Shuo.06 Li (D1) Yuze Zhang (Neo) Sihan Bao (B2) Jiusi Liu (B1) | CHN | 3:25.94 | PB | +17.500 |
| 13 | Xia Jiang (B2) Tingting Han (A2) Yue.00 Song (A2) | CHN | 3:26.12 | | +17.680 |
| 14 | Mingzhuo Xiu (A2) Weiping Gan (A1) Yue.97 Gao (Neo) | CHN | 3:26.78 | | +18.340 |
| 15 | Xiang.00 Li (A2) Sisha Li (Neo) Xintong Wang (Neo) | CHN | 3:28.47 | | +20.030 |
| 16 | Yining Zhao (Neo) Dongyue.00 Li (A2) Wenjing Ma (Neo) | CHN | 3:28.87 | | +20.430 |
| 17 | Yingyuan Sun (Neo) Haoze.03 Yin (C2) Kaiying Wang (Senior) | CHN | 3:29.69 | PB | +21.250 |
| 18 | Chenyu Li (Neo) Jingyang Feng (A1) Xingchen Meng (Neo) | CHN | 3:36.56 | PB | +28.120 |
| DNS | Jie.98 Yang (Neo) | CHN | DNS | | - |