What's the Mile High Hub Calendar? It is the largest and most up to date calendar for skydivers and wind tunnel flyers. The events on the calendar are collected through Facebook groups, magazines, various websites, and of course the general community. You can search for boogies, competitions, and training camps. The competition tab is divided by skydiving, canopy piloting, and wind tunnel flying while the training camps tab can be sorted by formation skydiving, freeflying, wingsuit flying, and whether each discipline is in the sky or the tunnel. The calendar is updated daily so if you're a skydiver or tunnel rat, this is the place for you!