Breakthrough Run & It?s In The Photos

I’ve been doing the zippier pace thing now for a little over a month. In that time, I’ve often averaged faster than McMillan’s suggested range, but since heart rate is my alternate pace policeman, I’ve still remained in the “legal” zone for general aerobic runs. (as refresher, I’ve been shooting for 150-160, which comes out [...]

Source: http://www.girlinmotion.com/breakthrough-and-photos

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