Workout

Warm up (600)
200 catch up
200 pull (buoy only)
200 swim

Set (2000)
4 rounds
...1 FAST/1 EZ 
2 x 25 on :30
2 x 50 on :45
2 x 75 on 1:00
2 x 100 on 1:30

Set (600)
Pull 600
...3 CB 
...build to steady pace

Cool down (200)
200 free long and easy