Workout

Warmup (700)
300 choice/200 kick choice
4 x 50 on 1:00

Set (800)
2 rounds
2 x 100 on 1:45
4 x 50 on 1:00
…build 100 to 90% 
…alt slow/fast x 25 on 50s

Set (1200)
5 x 100 on 2:00
…50 fast stroke/50 ez
2 x 50 choice kick on 1:10

Set (500)
10 x 50 on 1:15
…stroke choice all fast

Cool down 200