Given the question: Erik Marxen (born December 2 1990) is a Danish professional footballer currently playing for Horsens in the Danish 1st Division.Joining Vejle at a young age he signed his first professional contract with the club in the summer of 2009.An integral part of the Vejle side in the 1st Division in January 2013 he signed a contract with Horsens that would see him move in the summer transfer window. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
The answer is:
Athlete