 In Stockholm at the 1912 Summer Olympics Lukeman finished fourth in the pentathlon but was awarded the bronze medal after Jim Thorpe of the United States was disqualified from the gold medal (Thorpe's disqualification was eventually overturned but Ferdinand Bie of Norway was allowed to retain his gold, while James Donahue (USA) and Lukeman were permitted to retain their silver and bronze medals respectively).In the 100 metres at the 1908 Summer Olympics in London Lukeman took second place in his first-round heat with a time of 11.7 seconds.He did not advance to the semifinals.