Workout

Warm Up (600)
400 swim
200 pull (3,5,7,5)

Set (800)
5 x 100 
...1:15/1:20/1:25/1:30/1:35  
...try to hold same time on each 100
3 x 100 kick 2:00/2:10

Set (2000):
4 rounds
2 x 50 easy on :50
2 x 100 on 1:20/1:30
200 FAST* on 3:00

R1: straight
R2: broken at 150 for :15 sec
R2: broken at 100 for :10 sec
R2: broken at 50 for :5 sec.
R3: straight

Cool-down (200)
200 EZ