Seriously if you wanna try it let me know. The owner is gun friendlyStay for Krav and have fun w/ some of the gun defenses as well.
You could be.. but I have yet to see one person not leave that class tired. I do highly doubt the triathlete thing.. since you said you could be a triathlon
I thought I was in pretty good shape till I started doing crossfit. It's lifting weights while running on a treadmill. Not easy at all.