Workout

Warmup (500)
2 rounds
150 swim
2 x 50 dolphin kick 

Set (600)
4 x 150  on 2:30
...100 drill/50 swim

Set (2100)
6 rounds
150 IM on 2:45
…fly/back/breast 
150 free on 2:15
…hold steady pace
50 easy on 1:30

Cool-down (200)
200 ez choice