Workout

Warm-up (500)
200 fr/100 kick/200 fr

Set (900)
3 rounds
100 Drill on 1:40
200 Swim on 2:50

Set (1200)
3 rounds
100 Build on 1:30
250 hard on 3:00
50 easy on 1:30

Set (600)
Pull 6 x 100 on 
...1:30, 1:25, 1:20
...descend 1-3, 4-6

Cool-down (200)