Want to Give Your Fitness a Boost? Here Are 11 Science-Backed Ways to Do It

Whether you want to beat your marathon PR or simply be able to do a 5K without stopping, runners of all levels are always looking for ways to improve their performance. And what better way to do that than rely on the latest research to help you out? There have been tons of scientific studies published in 2018 aimed at figuring out how people can get give their overall fitness a boost. Here are 11 with results that offer some serious benefits.