Workout

Warm-up (900)
300 swim/100 kick
200 swim/100 kick
100 swim/100 kick

Set (700)
2 x 100 1:30
6 x 50 
...odd:55
...even:45
2 x 100 1:30

Set (1500)
3 rounds
5 x 100
1) 25 FAST/75 ez on 1:45
2) 75 FAST/25 ez on 1:30
3) 100 ez on 2:00
4) 50 FAST 1:00/50 ez on  1:00
5) 50 FAST 1:00/50 ez on  1:00

Set (300)
300 pull
...5 cb

Cool-down (200)
200 EZ