public holiday
wp1.5 + 馬克操, cd0.9,
20 x 400 (350 + 50easy) 2'30/set

1 01:25.3
2 01:21.2
3 01:21.3
4 01:21.6
5 01:20.2
6 01:22.6
7 01:24.6
8 01:22.9
9 01:25.4
10 01:24.5
11 01:23.7
12 01:23.4
13 01:24.1
14 01:23.0
15 01:24.3
16 01:25.3
17 01:28.0
18 01:25.3
19 01:26.9
20 01:23.3

average 01:23.8 /lap (350m)