Thousands of runners prepare to hit the streets of Ottawa for Tamarack Ottawa Race Weekend, each with a different goal and motivation for their run. CTV's Josh Marano reports on race events, road closures and preparations as runners gather in downtown Ottawa for one of the city’s biggest annual sporting events. Subscribe to CTV News to watch more videos: https://www.youtube.com/ctvnews Connect with CTV News: For live updates and latest headlines visit: http://www.ctvnews.ca/ For breaking news,