The 5K, Not The Marathon, Is The Ideal Race | FiveThirtyEight

The 5K, Not The Marathon, Is The Ideal Race | FiveThirtyEight [http://fivethirtyeight.com/features/the-5k-not-the-marathon-is-the-ideal-race/] Now that I’ve lost a little weight, I’ve been thinking of taking up running again. This article stokes my nerdy sports need and makes me want to run even more so.…