Workout

Warm Up (500)
Swim 10 x 50's on :50

Set (800)
8 X 100 
...50 stroke,50 kick 1:30

Set (2000)
2 x 400 on 6:00
2 x 300 on 4:30
2 x 200 on 3:00
2 x 100 on 1:30
...#1 swim negative split
...#2 swim faster than first

Cool-down (200)
200 EZ