Didn’t Read the article, but when I was training for my first 50k and running with others training for even longer (100mi) distances one Thing’s you start to learn is you need real food, not just 50 gu packets of sugar, and funny enough left over pizza was one of the carried good items, it’s got carbs and protein and is pretty packed with calories.

You are doing everything you can to bring in calories after a while out there.

Surely you will not regret wolfing down nine slices of unrefrigerated leftover bar pizza while running 100 miles across Massachusetts, chasing your wife who is ahead of you, raiding every aid station.