Yeah, I can only imagine it as a hobby; there are much better (safer!) ways of getting around than gliding...
Also, the giant above-ground domes of classic sci-fi are a really bad idea on the moon because of radiation. The lunar regolith is a pretty good shielding material, so if/when there are large colonies on the moon, they'll almost definitely be underground, with little open wasted space.
On Mars, on the other hand, you could get away with a dome, sufficiently thick to shield the inhabitants (radiation of the surface of Mars is about equal to low Earth orbit). Mars has a surface gravity of 0.38g, which might be enough for some skinnier aerobats...
Simon
