Ralph Spirk began to play football in his hometown Trofaiach. In 2001, he joined the junior of the Grazer AK, where he came through well in the amateur team. As a prolific, central midfielder, he found his way into the first team. After an impressive first season as changing player, he was in the 2006/07 season to key players in the midfield of the GAK.
After the financial collapse of Graz, he moved on 22 June 2007 to the Bundesliga's newly LASK Linz. There he came through some injuries to only three brief appearances and changed the beginning of the 2008/09 season on loan to DSV Leoben in the second highest league. He was awarded due to the financial ruin of Obersteirer from LASK his parent club GAK to the regional center before the start of the spring season of 2009. After end of the contract in January 2010, he joined in the summer of 2010 for the Bundesliga club SV Kapfenberg
Spirk came in various junior selections of OFB to inserts, so among other things, in five games of the Austrian U-19 selection and in three games of the U-21 national team.