Workout

Warm Up (600)
12 x 50's on :55
 
Set (600)
6 x 100 w/:25 rest
...50 free/50(25 drill/25 swim) 
...IM order 
 
Set (1200)
2 rounds
4 x 100's on 1:45 (odd IM)
...50 free/50 IM order by rounds  
200 IM on 3:30/3:45/4:00
...d1-3 

Set (400)
8 x 50 dps w/:10 rest
…max distance per stroke  

Cool-down (200)
200 EZ