Career
Smyth started his career playing for Liverpool. He was released from the Anfield club at the end of the 2004/2005 season. He was signed by Accrington Stanley, but he soon moved to Vauxhall Motors.
In December 2006 Mark signed for Bangor City in the Welsh Premier, then managed by Steve Bleasdale.
He made a dozen league appearances for City by the end of the season and was part of the first team squad again during pre-season 2007-2008. He was released in 2008 and had a trial with Chester City before signing for Leigh Genesis F.C.
He then moved on again to Cheshire league side Witton Albion, before re-signing for Bangor City in 2009. Mark was released from his contract at Bangor City at the start of 2013 and signed for Prestatyn Town on a free transfer.
Smyth then signed for Gap Connah"s Quay at the start of the 2013/14 season.
In the following January transfer window Smyth joined fellow Welsh Premier League side and former club Prestatyn Town until the end of the season.