Workout

Warm Up (600)
400 swim
200 kick

Set (600)
12 X 50 on1:00 
...25 stroke kick, 25 stroke drill
...IM order

Set (2200) 
2 x 150 on 2:15
1 x 100 on 1:15
2 x 150 on 2:15
2 x 100 on 1:15
2 x 150 on 2:15
3 x 100 on 1:15
2 x 150 on 2:15
4 x 100 on 1:15

Cool-down (200)
200 EZ choice