 Kọ itẹsiwaju fun paragirafi yii - Andersen tun gba gbogbo awọn ami ẹyẹ ni ICF Canoe Sprint World Championships pẹlu wura K-1 500 m: 1950, fadaka K-1 4 x 500 m: 1950, ati idẹ K-1 4 x 500 m: 1948 :  ti a ṣe. 