Career
He was the head coach of the Danish national under-21 team from July 2006 until the U21 European Championship in June 2011. Keld Bordinggaard played four games for the Danish national team from 1983 to 1990. Bordinggaard started his active career with Odense BK in 1981.
He was named 1983 "Danish Talent of the Year", and made his Danish national team debut in August 1983.
He returned shortly to Odense BK, and played for the club until 1987. In 1988, Bordinggaard moved abroad once more, to play for Panionios Football Club in Greece.
He returned to Denmark in 1989, to play for Vejle Boldklub. In 1991 he returned to Odense BK again, but left the club in order to join Silkeborg IF in 1992.
Having initially ended his career in 1997, he returned as a player/assistant coach for Vejle BK in the 1999-2000 season.
In 2001, Bordinggaard was appointed manager of Vejle BK. He spent one year with the club, until he was brought in as assistant coach for the Danish national team under manager Morten Olsen in July 2002. He helped Denmark qualify for the 2004 European Championship tournament. In June 2006, he was appointed manager of both the Danish under-20 and under-21 national teams.
In the summer of 2012 he was named new manager of Silkeborg IF in the Danish Superliga.
On 11 November 2012 he was sacked following a series of poor results that led to the club being placed at the bottom of the league. He has been assistant manager of Bundesliga side 1.
FSV Mainz 05 since Mid-2014. 1983 Danish Talent of the Year.