Mr. Iffrig died at a memory care facility in Marysville, Wash., according to his son, Mark Iffrig, who confirmed his father’s death.
Mr. Iffrig, who was an accomplished mountaineer and chairman of a local climbing club, did not start running until he was 42.
He went on to win dozens of national championships in races of varying distances.
He ran in more than 50 marathons, including several Boston Marathons.
Mr. Iffrig placed second in his age group of 80-plus in the 2015 Boston Marathon, his son said.
Persons:
Bill Iffrig, Iffrig, Mark Iffrig
Organizations:
Boston Marathon, Boston, Marathon
Locations:
Marysville, Wash