4/29 Practice: post meet loosen-up

Warmup: 400 free, 4 x (50 back, 50 breast), 4 x 50 freestyle drill sequence
Swim: 7 x 100 on 1:45 sendoff
     1-5 average 1:20
     #6 no faster than 1:30
     #7 no faster than 1:40