Scott Simpson shares a game he calls Pillowdrome where you chase someone around an obstacle while balancing a pillow on your head:
http://yourmonkeycalled.com/post/56089253/pillowdrome-extended-family-vacations-with-their
This reminds me of how much fun I've had with my daughter playing our invented game 'Duck Dash', which is tag where you have to hit the other person with a stuffed duck. It's basically tag for adults who don't want to run so very much.