On ultramarathoning on an all plant-based intake--courtesy of Mark Bittman. If you've ever been, or known, a high-volume eater in training for endurance sports, you know that sheer calorie consumption is a daily challenge (we had a 15-year-old competitive swimmer in our house last fall, and believe me, this point was brought home to us on a daily basis). This article is a mind-blower. Key quote: "There is something about his determination at the table that is reminiscent of his determination on the road: he just doesn’t stop."