 Complete the following phrase:  Internationally, Halldórsson had four consecutive wins at the European Cup qualifiers from 1975 to 1981, including a meet record of . His first major competition was the 1974 European Athletics Championships, but the 25-year-old Halldórsson failed to make it out of the qualifying round. After a ninth-place finish at the 1976 European Athletics Indoor Championships, he entered the 1976 Summer Olympics, where he came 15th in the qualifying round. He topped the podium at the 