Workout

Warm-up (600)
300 swim, 100 kick, 100 drill

Set (600)
6 x 50 kick on 1:10
...descend 1-3
6 x 50 swim on 1:00
...descend 1-3

Set (1500)
2 rounds
4 x 50 on 1:15
...hard kick
2 x 150 build on 2:15
4 x 50 on 1:00
...hard swim
EZ 100

Set (200)
Pull 200 

Cool-down (100)
100 EZ