Career
He started his career with Kjøbenhavns Boldklub, before turning professional and playing 22 games for Italian club SPAL 1907 during the 1951-1952 Serie A season. He also played for the Denmark national under-21 football team Ørnvold was a quick player with good anticipation of the game.
At the 1948 Olympics, Ørnvold was deployed out of position as center half.
He did surprisingly well, but was physically over-matched by forwards Gunnar Nordahl and Garvis Carlsson in the semi-final against the Sweden national football team