1970 Boston Marathon

It was the 74th time the Boston Marathon was organized, and featured 1,174 official entrants.

[1] This was the first edition of the race to have a qualifying standard, as the entry form stipulated "A runner must submit the certification...that he has trained sufficiently to finish the course in less than four hours.

[3] Women were not officially allowed to enter until 1972, but their first-place results from 1966 through 1971 were later ratified by the Boston Athletic Association.

Hill shattered the course record, set by Yoshiaki Unetani the prior year, by more than three minutes.

[4] Hill and O'Reilly were the first two runners in the event's history to break 2 hours 12 minutes.