Workout

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

Set (900)
3 rounds
4 x 75 on 1:15
…middle 25 stroke 
…stroke is IM order by rounds

Set (500)
4 rounds
5 x 25 choice kick on :30

Set (900)
3 rounds
100 IM on 1:30
4 x 50 switching IM on :50
…fly/back; back/breast etc

Cool down 300