In this article: Do you have flat feet? If so, you are not alone. Approximately 30% of all people deal with flat feet and the challenges that come with them. Flat feet and fallen arches can make exercise, in particular, quite difficult, especially workouts that involve running or jumping. Having flat feet does not mean you have to skip exercising altogether, though. Read this article to learn some tips and tricks that will make working out with flat feet easier and more enjoyable.