Workout

Warm-up (600)
400 CATCH-UP Free
200 kick

Set (800)
4 x 150 on 2:30/2:40
odds: swim free 
evens: 50 free/50 kick/50 free  

4 x 50 on 1:00 
...IM order 25 drill/25 swim
 
Set (1600)
Swim 6 x 100
1:45/1:25/1:35/1:35/1:25/1:45

Swim 4 x 50 :50 desc 1-4

Swim 6 x 100 
1:40/1:20/1:30/1:30/1:20/1:40

Kick 4 x 50 on 1:10  
...desc 1-4

Cool-down (200)
200 EZ