The Vancouver USA Marathon has quickly established itself as one of Clark County’s biggest and most popular events, with this year’s full and half marathons scheduled for Sunday, June 19th. As has become the custom with marathons, VUM is a weekend-long event, with a 5k kicking things off on Saturday. The Freedom 5K is a great event in its own right, with a scenic course taking in downtown Vancouver, Officer’s Row and Ft. Vancouver, Maya…