Workout

Warm-up (500)
Swim 10 x 50 on :50

Set (500)
4 x 125 on 1:45
50 s/25 k/50 s

Set (1600)
4 rounds
100 build on 2:00
200 FAST on 3:00
100 EZ on 2:00

Set (400)
8 x 50's kick on 1:00
...25 moderate/25 FAST  

Cool-down (200)
200 moderate to EZ swim