Workout

Warmup (900)
12 x 75 on 1:10
…choice of drill, kick, swim

Set (500)
5 rounds
4 x 25
…#1 free on :25
…#2 breast on :30
…#3 back on :30
…#4 fly on :25

Set (2100)
3 rounds
7 x 100 on 1:30
…odds free
…evens IM

Cool down (300)