I did have to test things for this weekends 200 fly. It will be touch and go. 500 free 500 free kick w/zoomers 8x25@1:00 shooters w/monofin 8x25@:45 fly w/monofin 200 dolphin kick on back w/monofin 16x25@:46 fly fast w/monofin 500 free easy w/snorkle keeping a 4 beat kick total 2500 yards