Workout

Warm-up (600)
300 swim, 100 kick, 
200 drill

Set (600)
8 x 75's on 1:15
…25 kick/50 swim

Set (1000)
4 rounds
25 on 1:00
50 on 1:00
75 on 1:00
100 on 1:00

Set (600)
2 rounds
8 x 25's  
...odd SWIM SPRINT on :30
...even EZ kick on :45
EZ 100 swim between rds

Cool Down (200)
200 ez