John Sutter organizes Run for Boston group on CNN iReport . More than 300 runners pledge to run races in solidarity . Sutter : " The young woman from Ohio started a Google Doc where people all over the world could log the miles they 'd run in honor of the victims and survivors , and in solidarity with the city . I think the most important thing is that we are all running together and trying to raise money for a good cause, which is cancer research. iReporter Theresa Kutsch : ' 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 : " I think the most important thing is that we are all running together and trying to raise money for a good cause, which is cancer research. iReporter Theresa Kutsch : ' I pledged to run for those who no longer can '