Workout

Warm-up (600)
250 swim/ 50 Kick  (repeat)

Set (1000)
12 x 50's  on :50
4 x 100's IM on 1:45

Set (1400)
4 x 150's on 2:00
...decsend 1-4
4 x 100's build on 1:30
8 x 50's on :45
...25 easy/25 FAST

Set (300)
12 x 25's on :30
...odd IM, even free

Cool-down (400) 
200 kick
200 EZ Free