Workout

Warm-up (600)
400 swim 
200 Kick

Set (400)
16 x 25 IM on: 30
…order 4 Swim, 4 kick, 4 swim, 4 kick  

Set (2400)
16 x 25's free on :30
16 x 50's on :45
16 x 75's on 1:00

Set (400)
400 kick

Set (1000)
10 x 100's 
...5 on 1:30...5 on 1:15

Cool-down (200)
200 EZ