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Jul
Mirna Valerio is well aware that she doesn't look like a stereotypical runner. That hasn't stopped the founder of the "Fat Girl Running" blog from running 11 marathons and 16 ultramarathons.Valerio, 48, started running in high school as part of field hockey training. Apart from a brief interlude when her child was young and "life got stressful," she continued running to keep herself "fit and sane" she told Business Insider.Valerio first gained attention as a "plus-sized runner" in 2015 when she was featured in an article about her blog. Valerio does trail running as well as road running. Sven Brunso…