The Fast-Exercising Mathematician: Jacob Heppner

You might know that Jacob Heppner is a CrossFit Games veteran, but did you know he's also a nerd?While his friends partied in college, Jacob holed up in the library. And after requesting the "hardest major you have" of his guidance counselor, he chose math. He was pretty good at it, too—his first internship was as a mathematics technician at Fort Leavenworth in Kansas.That's also where he discovered CrossFit. At first, he thought it was a cult. Now, he's a four-time Games athlete with a caree...