After sneaking through qualifying, Fincham-Dukes raised his level in Tuesday’s final to finish fifth with an impressive leap of 8.14 metres.
Olympic gold was won by defending champion Miltiadis Tentoglou with a mark of 8.48m. Jamaica’s Wayne Pinnock came second with 8.36m and Italy’s Mattia Furlani took bronze with 8.34m.
However, the Brit’s achievement was all the more impressive considering he is only a part-time athlete and receives no funding from British Athletics.
Having moved to America to study at Oklahoma State University, Fincham-Dukes now works in health and safety compliance for Texas-based company ITN.
Because of that, the 27-year-old is forced to wake up at 5am to train before sneaking in another season in the evening after his day at the office.
Despite his impressive showing against the odds in Paris, Fincham-Dukes revealed he will have little time to savour his finish as he must return to America in time for work on Friday – just 72 hours after his final jump.
‘I really hope I’ve done myself justice because I work full-time, I’m back at work on Friday,’ he told the BBC after the final.
‘So I’m carrying a lot of extra stress that these guys don’t have to deal with.
‘I’ve carried myself tremendously well this year. Fourth at Europeans, fifth at the Olympics.
‘I wasn’t supposed to finish fifth on ranking there so I think I’ve done myself proud.’
As well as Fincham-Dukes, several other Team GB were in action on the track on Tuesday, with Josh Kerr taking the headlines as he was pipped to men’s 1,500m gold by America’s Cole Hocker.
And there was more near misses for British athletes as Dina Asher-Smith and Daryll Neita both narrowly missed out on medals in the women’s 200m, finishing fourth and fifth respectively.
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