Workout

Warm-Up (600)
400 Swim
200 Reverse IM drill

Set (800)
8 X 100 on 1:40
...50 free/50 kick  

Set (1000)
Pull 4 x 250 on 3:30
…descend 1-4
 
Set (900)
3 x 300 on 4:00
…descend 1-3
 
Cool-down (200)
200 EZ