Warm up
600 swim, 400 reverse IM drill, 200 kick
12x50 - 4 on :50, 4 on :45, 4 on :40
Three rounds of:
3x100 - 1:40 fast, choice of stroke
1x400 - smooth pull or swim
20x25 - :30 (1 EZ, 2 fast, 1 EZ, 3 fast, 1 EZ, 4 fast, 1 EZ, 3 fast, 1 EZ, 2 fast, 1 EZ)
Swim down
=4400+ SCY