Workout

Warm-Up (1200)
200 swim
8 x 100 
...every third lap stroke on 1:30
4 x 50 Kick on 1:00

Main Set (1650) 

3 rounds (1st round stroke fly, 2nd back, 3rd breast)
*stroke is solid, free is easy

150 (25 stroke/125 free)on 2:15
100 (25 stroke/75 free) on 1:30
50 (25 stroke/25 free) on 1:00
100 (25 stroke/75 free)on 1:30
150 (25 stroke/125 free)on 2:15

Cool-down
150 easy choice