Workout

Warmup (500) 
300 swim / 100 drill / 100 kick

Set (600)
8 x 100 on 1:30
…descend 1-4,5-8

Set (600) 
2 rounds
4 x 150's on 2:30
…free / stroke / free
…IM order

Set (1000)
5 rounds
4 x 50
…odds free on :50
…evens stroke on 1:00

Cool down (300)
100 back
200 ez choice