Notes
All w/zoomers, triple-dolphin kick off ea wall on Bk, Fr & Fly kick
500 mixed, rest 0:30, 4 x 50 on 1:00 (25 Fly kick 2 breathes p lap, 25 Bk) avg 0:44
700 mixed, rest 0:30, 4 x 50 on 1:00 (25 Fly kick 1 breathe p lap, 25 Bk) avg 0:44
400 mixed, rest 0:30, 4 x 50 on 1:00 (IM order by 25, avg 0:44, #4 Bk/Fr = 0:36+)