The vintage newspaper articles are from Legendary Auctions. Below that are photos from a website called running past, (they have great photos of old time runners) the Boston Globe and Zero Drop.
Fritz Carlson Wins Boston Marathon in 1913
Clarence DeMar crossing the Boston Marathon finish line. Though he won the race several times this year it was won by Ellison Brown.
This is Chuck Mellor who won this 1925 race. Behind him is Clarence DeMar and Frank Zuna.
Sammy Mellor at 22 miles of the 1904 Boston Marathon. Sammy won the race in 1902 but lost this one to Michael Spring. Larger photo can be seen at Zero Drop.
Official attendants from the Massachusetts Volunteer Militia and civilian volunteers prepared to help runners. Lawrence Brignolia from Massachusetts won this 1899 marathon. Original larger photo can be seen here at a Boston Globe Website.
The field of the 1938 Boston Marathon in Hopkington. Original larger photo can be seen here.
And finally, see a quick video of Demar racing and winning the Boston Marathon for the seventh time. He does it at age 42.