It was a remarkable achievement for a team which had previously played just one season in the National Soccer League, following the club’s formation in 2003.

The Reds went on to lose a tight Preliminary Final to Central Coast Mariners, ending their hopes of becoming the first A-League Champions and claiming an impressive double.

Here is the Adelaide team that started that day and what has happened to them since...

Daniel Beltrame

Aussie goalkeeper Daniel Beltrame played 14 times for Adelaide in his first season with the club, helping the Reds win the inaugural A-League Premiership in 2006.

Beltrame, who also won two National Soccer League titles with Wollongong Wolves, is best remembered for his two stunning saves in a penalty shootout against Newcastle Jets, which sent Adelaide through to the 2007 Grand Final.

The Reds were thumped 6-0 by Melbourne Victory in the final, after Adelaide captain Ross Aloisi received an early red card.

Beltrame, now 41, played one more season for The Reds before hanging up his boots in 2008.

Adam Van Dommele

Adam van Dommele was just 21 when Adelaide won the first A-League Premiership 11 years ago.

The full back played 19 times for the Reds in the 2005/06 campaign, following a brief spell at English club Hartlepool United.

Van Dommele’s opportunities at Adelaide were limited the following season, when he played just five times before moving to National Premier League side South Melbourne FC.

Van Dommele signed for MetroStars in 2009 and has played for the Adelaide-based club ever since. 

The full back, now 32, is one of the senior players for Metro and was made vice-captain at the club in 2011.

Kristian Rees

After representing Adelaide in the National Soccer League and the A-League, Rees went on to play for Wellington Phoenix and Gold Coast United. 

The imposing centre half was instrumental for the Gold Coast, making 72 appearances for the Queensland side before their A-League licence was revoked in 2012.

Rees made the tough decision not to play for the remainder of the 2011/12 campaign, electing to put his family first, with no guarantees that the Gold Coast would still exist the following season.

The centre half, now 37, continued to support former United owner Clive Palmer, who repaid Rees’ loyalty by employing him in a variety of roles.

Rees returned to football in 2013, joining NPL Queensland side Palm Beach.

The Aussie spent two years with the Sharks, helping them win the Championship in 2014, before retiring a year later.