Running gives you a lot of things: Stress relief, personal records, chafing—the list goes on. In fact, you can add "butter" to that list right now. In her viral videos, Cope pours heavy cream and salt ...

If someone told you they were making a butter run, you’d probably picture a quick jaunt to the store, when they are short a stick in the middle of a batch of cookies. That’s not what Libby Cope and ...