G. Þorvaldsson's professional career spans from 2009 to 2018, a period of roughly 9 seasons over which he has amassed 182 appearances spread across 6 clubs. With 68 goals and 0 assists recorded across that span, his record reflects a sustained contribution at the highest level.
His most productive season in attacking terms came in 11/12 with Norrköping, when he registered 17 goals and 0 assists in 29 matches, playing 2512 minutes. That campaign stands out as one of the high points of his output.
In his most recent recorded season (17/18) at ÍBV, G. Þorvaldsson played 19 matches, scoring 9 goals and providing 0 assists.
Among the notable milestones of his career, G. Þorvaldsson has passed the 100-appearance milestone and has scored 68 career goals.