Workout

Warm-up (600)
300 swim, 100 drill
100 kick

Set (600)
6 x 100 on 1:45
odds: 25 drill/25 swim
evens: 25 kick /25 swim  

Set (1600)
4 rounds
150 build on 2:15
100 on 1:45 --max DPS
2 x 50 SPRINT 1:00
50 easy 1:30

Set (200)
8 x 25's on :20/:40 
...25 FAST/25 easy

Cool-down (200) 
200 EZ