Workout

Warm-up (500)
400 swim
...50 free/50 drill
100 kick

Set (600)
200 free on 3:00
4 x 100 IM on 1:45
…1 drill/1 swim

Set (2000)
2 rounds 
4 x 50 on 1:00
…all kick
200 free build on 2:45
4 x 100 on 1:30
...descend 1-4
200 hard on 2:30

Set (200)
8 x 25's on :20/:40
...Fast/EZ

Cool-down (100)
100 EZ