I think so too. I become conflicted with how I think about this stuff when it comes to the ultra distances. I love the one day IM distance. I’ve also really liked the idea of multi-day adventure races. I think I struggle with what is too much and health concerns. From the little I was able to find on him, he is also listed as working in the medical field. So my guess is that also is a huge contributor to being able to take something like this on. In one of the pics he is munching on a hamburger in the pool. When just thinking about how he would train for something like this... my mind blows. I definitely have the utmost respect for what he is doing.