I don't really do "exercises" (sooo boring), but I do
-bike 12 or 24 km every weekday, depending how lazy I feel (to/from work)
-soccer once a week (where I usually push myself until I can't push anymore)
-hour or two of volleyball once a week, and often for half a day on the weekend (not really physical, but so fun!)
-pilates for 1/2 hour once or twice a week at work
-long nocturnal walks occasionally, when I need to get out
-and I walk or bike pretty much anywhere I go in the city
And I am probably going to start martial arts in the fall if I can justify the price to myself. And maybe yoga or pilates too, to replace the pilates at my work. Maybe rockclimbing too. Or tennis or squash. I'm back in school in the fall, so I won't be biking much and I want to be more active, I'm always so much happier when I'm doing stuff.