Theresa Kutsch organizes CNN group on Run for Boston iReport . 99 runners pledge to run races in solidarity . Sutter : The running community has rallied around the tragedy . iReporter John Sutter : ' I pledged to run for those who no longer can '
John Sutter organizes Run for Boston group on CNN iReport . More than 300 runners pledge to run races in solidarity . Sutter : The running community has rallied around the tragedy . iReporter Theresa Kutsch : ' I pledged to run for those who no longer can '