Kate Snow is a senior national correspondent for NBC News and an anchor for NBC Nightly News. Do you have a news tip you want to share with our journalists? Visit NBC News Tips to learn more. Follow ...
For decades, many runners, and even coaches, have assumed that being a runner meant never walking during a training run or race. Even the most accomplished runners would apologize when they walked at ...
Have you ever noticed white marks accumulating on your skin, clothing or headwear after you’ve been out running? These are basically thin layers of salt, a substance – essentially electrolytes – that ...