Black toenails are sometimes seen as a badge of honor among runners. But, our test staff knows that the easiest way to prevent them from occurring is to go up a half size in your running shoes. Test editor Amanda Furrer learned that not all size 6.5 shoes fit the same, and even if the length seems right, toe box shape can have a big impact over 26.2 miles.
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Amanda Furrer, Editor, Running Reviews, studied journalism at NYU and writing at Emerson College. She has reviewed gear and covered other topics in the running space for almost 10 years. Since 2013, she has consecutively run the Boston Marathon. She also has a master’s degree in gastronomy from Boston University and was formerly a professional baker for two years before hanging up her apron.
