BOSTON (CBS) – Saturday was the last long run as a group for the Dana-Farber Marathon Challenge runners ahead of the Boston Marathon.

The group, comprised of more than 125 runners, are raising money for cancer research.

Saturday was the last long run as a group for the Dana-Farber Marathon Challenge runners ahead of the Boston Marathon. (WBZ-TV)

They covered 20 to 22 miles on the Boston Marathon route.

Running with the group on Saturday was Jack Fultz, the 1976 Boston Marathon champion. Fultz is also their training advisor.