Four years later, Wolfhagen scored one goal in Denmark's three games at the 1912 Olympics, before they were once again defeated by Great Britain in the final. He ended his national team career in October 1917, having scored 14 goals in 18 national team games.
Four years after that, Wolfhagen scored one goal for Denmark during their three games at the 1912 Olympics, only to be defeated by Great Britain once more in the final. He concluded his national team career in October 1917, having achieved a total of 14 goals in 18 national team matches.