Boston.com: Boston Marathon
- Coverage of the race with runner biographies, interactive course map, events schedule, news items, and archives.
- http://www.boston.com/sports/marathon/

Ultimate Guide to the Boston Marathon
- The online guide includes Boston Marathon news, history, and training tips in a blog format.
- http://heartbreakhill.blogspot.com/

Walter Childs Memorial Race of Champions Marathon
- Sponsored by the Springfield Harriers. Includes registration reguirements, application, course map, directions, local lodging and restaurants, photos, champions since 1963, and results since 1999.
- http://www.harriers.org/marathon/index.html

Cape Cod Marathon
- Located in Falmouth with information about the course and race, results, accommodations and links.
- http://www.capecodmarathon.com/

Boston Athletic Association
- Hosts the Boston Marathon, Half Marthon, and Mayor's Cup. Includes past results and champions, photo gallery, qualifying times, application, information about the race and accommodation, and course maps. Also provides Running Club news, membership details
- http://www.baa.org/