There's a race held in Carnation, WA (5k, 10k, half and full marathon) called "Beat the Blerch". It is held this year on September 12. It is organized by Mathew Inman aka The Oatmeal (Exploding Kittens). It's got couches for naps, a doughnut station and other bizarre things.
www.beattheblerch.com