Workout

Warm-Up (600)
200 swim, 100 drill
100 kick, 100 IM

Set (600)                       
12 x 50 on 1:00                     
...(25 fast/25 CHOICE)

Set (2000)                      
8 x 100 on 1:30/1:15                         
...odds Mod/evens Hard                  
8 x 75 on 1:15               
…ez/med/hard  
REST 1 min                
8 x 50 on :50/:40                 
...odds Mod/evens Hard                  
8 x 25 on :40/:20                   
...odds Mod/evens Hard                  
                        
Cool-down (200)                         
200 easy