Warm-up (600) OYO - 10 mins. 600 swim Set (600) 3 x 200 on 3:30 …50 swim/50 kick Set (400) Swim 8 x 50 on 1:00 ...choice ...odd 15m fast ...even last 15m fast Set (1600) Swim 4 x 400 …descend 1-4 …on 6:30/615/6:00/6:00 Cool-down (200) 200 EZ choice