Runners share reactions to finishing Boston Marathon

There are many reasons why people run the Boston Marathon, For some, it's for family. For others, it's for something bigger than them. Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ Get more Boston news:http://wcvb.com/ Like us: https://www.facebook.com/wcvb5 Follow us: https://twitter.com/WCVB Google+: https://plus.google.com/+wcvb