Workout

Warm Up (600)
300 swim, 200 drill
100 kick

Set (400)
8 x 50 on 1:00
…odds- 25 kick/25 free
…evens- 25 drill/25 free

Set (1600)
2 rounds
Swim 3 x 50 on :45
150 build on 2:00
4 x 100 free  
...1:30 (d1-4)
4 x 25 on :45
...FAST

Set (600)
6 x 100 pull
...on 1:15
…D 1-3,4-6

Cool-down (200)
200 choice