I did try on my normal size too, and they did fit but not the more comfortable loose look I prefer for shorts. (ladyinviolet.com)
Keep in mind that you want a very loose look. (styleathome.com)
The Outdoor Voices Running Sweats on the other hand, have a lovely fit that isn't tight like leggings but isn't so loose you look like you stole them from your dad. (apieceoftoastblog.com)