Workout

Warmup (600)
200 alt free/drill by 25
200 alt free/kick by 25
200 alt free/stroke by 25

Set (900)
3 rounds
75 on 1:15
…free/kick/free
75 on 1:10
…free/stroke/free
75 on 1:05
75 on 1:00

Set (1000)
10 x 100
…odd IM/stroke on 1:30
…even free on 1:20

Set (1000)
20 x 50
…odds stroke/free on :50
…evens free on :40