Liekoski experienced success on both sides of the touch line for the Hartwick soccer team. He played soccer for three seasons at Hartwick, 1968-70, then returned to Hartwick as head coach from 1973-75.
As a player, Liekoski's teams combined for a three-year record of 33-6-1, and played in the NCAA Tournament all three years, reaching the Final Four in 1970. He was named as an All-American defender in 1969.
As a coach, Liekoski's teams posted a three-year record of 30-9-7, reaching the NCAA Final Four in 1974. He recruited many of the players on the 1977 National Championship team.
After leaving Hartwick, Liekoski coached for many years in the NASL, MISL, and AISA. He won two league championships in the AISA and received Coach-of-the-Year Honors in both the NASL and MISL.
He was named as an assistant coach for the U.S. National Team in 1991 and was on the bench for the US World Cup team in 1994.
In the fall of 1994 he was named as the head coach for the United States Under -23 (Olympic Team).
At the time of induction, he is the Director of Coaching and Player Development for the U.S. Soccer Federation.