A couple of non-spooky fun ideas:

Water relay: like an egg and spoon race without wasting eggs. There's cups at the end of a small track, and a tin of water at the starting point. Egg and spoon race logic applies, carry a spoonful of water over as carefully and quickly as you can. First team to fill their cup to a certain amount wins!

Also tug of war and a regular running race, with proceeds from betting on all of the above going to the rebuilding the town fund thingie