Riverfront Roar in Marietta, OH and Williamstown, WV

Lots to see and do this weekend in Marietta, OH and Williamstown, WV as the Riverfront Roar gets underway.  See complete listing of events here.  Races and things most interesting to families (in my opinion) include.
Friday July 9
-5:00pm Powerboats on display on front, Green, and Second streets in Marietta
-6:00-9:00pm Merchant and Artist Walk
-9:30-10:00pm Lighted Boat Parade on the river
-9:45-11:00pm Outdoor Movie (Monsters VS Aliens) at the Armory

Saturday July 10
-1:00-5:00pm-Heat Races
-9:30-9:45pm-Fireworks at the Levee

Sunday July 11
-1:00-4:00 pm- Final Races