Career
He earned an athletic scholarship to East Tennessee State University where he ran cross country and track. He still holds the ETSU records for the 1500 meters and mile, both indoor and outdoor. Flynn has run 89 sub-four minute miles, with his best time (and current Irish mile record) of 3:49.77 on July 7, 1982 in Oslo at the Bislett Games Dream Mademoiselle (Miss)
He also holds the current Irish 1500 meter record of 3:33.5, set in the same Oslo race.
Along with Irish runners Marcus O"Sullivan, Eamonn Coghlan, and Frank O"Mara, he helped set the still standing world record of 15:49.08 in the 4 x mile relay, as a charity fund-raiser in Dublin, Ireland in 1985. Flynn represented Ireland in the 1980 and 1984 Summer Olympic Games, where he was a finalist in the 5000 meters.
Flynn is the current meet director for the Millrose Games in New York City, the oldest indoor meet in North America.