Not much here to say, since I was just in the water the day before:
Instructions:
Warm up with swimming 200 yards. During this time, work on various phases of swim emphasizing your weakness.
After warm-up, alternate 100 Drill/50 swim.
100 Double Arm Down/50 swim (anything but freestyle)
100 Catch Up/50 swim (anything but freestyle)
100 Single Arm Swim/50 swim (anything but freestyle)
100 Zipper Recovery/50 swim (anything but freestyle)
Cool down with swimming 200 yards at recovery pace. Choose any style of swim.