Awesome stuff, Uncephalized. We have a bit of a pie fetish in my household too and the winning crust so far is a blend of rice and cassava. We're just starting to get into quinoa flour, though, which might be better nutritionally.
How's your exercise-induced asthma? Given your lifting prowess, I would think you could dash off a 5k as an afterthought with no practice, but the asthma seems like an X factor. Also, what kind of footwear are you using, if any?