 Jackman is also a full-fledged member of Starrett Judo Club in Brooklyn, New York, and the Barbados Olympic squad, under head coach Ian Waithers.Jackman qualified as a lone judoka for the Barbadian team in the men's half-heavyweight class (100 kg) at the 2004 Summer Olympics in Athens, by granting a tripartite invitation from the International Judo Federation.He lost his opening match to Australia's Martin Kelly, who performed an uki waza (floating drop) to crush him on the tatami for an ippon victory at one minute and forty-two seconds.