Workout

Warm-up (600)
200 swim
4 x 100
...1dr-1:45/1sw-1:30

Set (800)
8 x 100:
2 kick -2:00
2 swim -1:30
2 kick -1:50
2 swim -1:20

Set (1600)
4 x 150 -2:15
2 x 200 -2:45
4 x 150 -2:00 

Cool-down (400)
8 x 50 mod to easy