Workout

Warm-Up (600) 
400 swim, 200 drill
100 IM

Set (600) 
6 x 100 on 2:20
...kick, drill, swim x 2

Set (1100)  
2 rounds
3 x 100 build
...1:45
200 (fast) on 3:30
50 (easy) on 2:00

Set (800)  
Pull 3 x 200 on 3:30
...odd 3cb
...even 5cb

Cool-down (200)
200 EZ