2100 yard master's Swim

Swam today, my stroke is improving.  Good workouts.  I am trying to go to these as often as i can until i get addicted, and then it will be easier to go.  Here is the type of workout we did.

300 yard warm up
200 yard individual medley 50 yards of each stroke doing 25 yards drill/25 straight swim
400 yard swim - 200 yards paced/ 200 yards going faster each lap.
300 yard swim - same deal
250 yard same deal
200 yard- similar
150 yard
100 yard
50 yard going off blocks
200 cool down