Nutrition is for Slow People

I was taking a visual stroll through one of my favorite runner's blogs - Anton Krupicka - and was reminded again of our inferiority to such a running dynamo. Take a gander at this:
"Wed-AM: 30 miles (4:00) Jones Park-7 Bridges Loop+Monument loops and barefoot ~4000' vertical
Rainy all day, so I didn't get out until almost noon. Slow at first, but then I felt good on the climb up 666 so I just went for it and decided to do the full loop because I was having so much fun. Above Capn Jacks there was new snow on the trail (that my NB 152s weren't so happy navigating) and there was rain coming down, but I had a blast. Kinda bonked the last 30 minutes or so because I didn't take any gels or water (did have a muffin for breakfast, though)."
Kinda bonked? No water or gels for 30 miles? 4000 feet of vertical climbing near Boulder, CO?
The day I can go just 10 miles on a muffin, well... I don't know. Insane.