Workout

Warm Up (200)
200 choice

Set (600)
Swim 12 x 50 
...odds kick/free on 1:05
...evens build on :55

Set (2000)
3 rounds
3 x 200 free on 3:15/3:10/3:05
...descend 1-3
2 x 50 easy on 1:15

Cool-down (200)
200 EZ choice