Saturday 3/21

400/300 warm-up
10 x 50  5 @:50/:55 900/800
5 @:45/:50
4x/3x: descend entire set (i.e. first 4x100 hold 1:20; 2nd set of 4 hold 1:15, etc..)
4 x 100 FR 1:30 / 1:40
1 min rest after each set of 4 2500/2000
20/12 x 25 IMO by 25 :35/:40 3000/2300
100 cool down 3100/2400