35 mins pool running
Finally figured it out. You're supposed to do it like high-knees. As soon as I gave that a go, my heart rate sky-rocketed. It feels much more productive (albeit more painful) now! Actually looking forward to a few more sessions. Its made infinitely more enjoyable by listening to NPR podcasts I have in my ipod mini, clipped to my hair tie [note, short-haired/baldy people, I reckon you could do the same with a visor!]
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