Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Gerhard Hartmann (born 12 January 1955 in Reutte) is a retired long-distance runner from Austria, who won the Vienna Marathon three times in a row, starting in 1985. He represented his native country in the men's marathon at the 1984 Summer Olympics in Los Angeles, California. Hartmann set his personal best (2:12:22) on April 13, 1986, winning his second title in Vienna.