Workout

Warm-up (600)
2 rounds
100 swim/100 drill/100 kick

Set (400)
Swim 400 reverse IM 
…50 drill/50 swim 

Set (600)
Pull 3 x 200 on 2:45
…descend 1-3

Set (2100)
3 rounds  
Swim 2 x 200 IM on 3:15
…80% effort  
4 x 50 free on :45
…d1-4 
2 x 50 kick on 1:15   
...FAST
Cool-down (300)

150 swim/100 drill/50 swim 
...moderate to EZ choice