This swim workout can be modified for any combination of strokes, or can be done all freestyle. It's sets of two swims of the same distance, with the aim to go faster on the second swim of each pair.
From Mat Luebbers, Former About.com GuideJanuary 13, 2013
This swim workout can be modified for any combination of strokes, or can be done all freestyle. It's sets of two swims of the same distance, with the aim to go faster on the second swim of each pair.
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