Workout

Warm-up (600)
2 rounds
100 swim/100 drill/100 kick

Set (600)
Swim 8 x 50's on :45
...25 mod/25 fast 
Kick 4 x 50 on 1:00 
...IM order
 
Set  (1600) 
4 rounds
6 x 50’s on alt :40/:50
100 easy on 2:00 
 
Set (400)
16 x 25
...odd FAST on :20
...even EZ on :40

Cool-down (200)
200 EZ choice