Achievements He had his best achievements at the 1946 European Athletics Championships in Oslo, where he won the long jump by a margin of two centimetres, then teamed up with Stig Danielsson, Inge Nilsson and Stig Håkansson to win a second gold for Sweden in the 4 × 100 metres relay. Laessker was awarded the Stora grabbars märke for his achievements, listed as the 116th recipient in the sport of athletics. He was the Swedish long jump champion in 1946 and 1947.