Running in the USA: District of Columbia Marathon Updateshttp://www.runningintheusa.com/RSS/RaceState.aspx?State=DC&Special=marathonAdded Races, Updated Races, Photos Posted, Results Posted, Forum Posts.(c) 2013, Delta Computer Solutions, Inc.5Rock ‘n’ Roll USA ~ Washington, DC ~ Mar 15, 2014Race Updatedhttp://www.runningintheusa.com/Race/View.aspx?RaceID=124217/12/2012 4:22:00 PMRock ‘n’ Roll USA ~ Washington, DC ~ Mar 15, 2014Results Addedhttp://www.runningintheusa.com/Race/View.aspx?RaceID=124213/19/2012 11:38:00 PM