In order to apply to participate in the Boston Marathon on behalf of one of the Boston Marathon Official Charities, you must contact your charity of interest directly. All charities that are selected as members of the Boston Marathon Official Charity Program are currently featured on our website and include an icon that links to contact information for the charity’s marathon coordinator. Learn More Charities Boston Marathon Registration How do I apply to enter the Boston Marathon through one of the official charities? Use the Title for an admin friendly name so content authors can refer back to this FAQ item