There's no crying in baseball!

5 x 200 on 3:00 alt free/back EN1

4x{1 x 250 on 3:10 hold 2:55 EN2
{3 x 50 on :55, :45, :35 back EN1-EN3
{1 x 250 on 3:30 hold 2:55 EN2

3,600 yards