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 Lukeman were permitted to retain his bronze medal.
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.[3]
He won in his preliminary heat of the 200 metres, placing first overall.