Houssein Omar Hassan finished the race to deafening cheers in last place, taking 11:23.50.
He had the track to himself as he jogged round his final two laps, receiving a huge ovation as he crossed the line.
The country's only competitor at the Games revealed afterwards that he had hurt his ankle at the start and thought about pulling out, but had been determined to finish.
The most loudly-greeted gold medal came from Great Britain's Richard Whitehead, the marathon world record holder continuing to push the boundaries by setting a new world record over 200m - T42.
The 36-year-old clocked 24.38 to take the category title by a huge margin.
'I wanted to show that Olympic and Paralympic athletes are on the same platform now,' he said.
'We all perform to our highest ability and both Paralympic and Olympic athletes are inspiring a generation and leaving a legacy for years to come.
I'm very patriotic, that was for Great Britain.Richard Whitehead
'For me that race was not for Richard Whitehead or for anybody else, but the nation, I'm very patriotic, that was for Great Britain.'
She threw 23.43m (1,064 points) to see off the challenge of silver medallist Mounia Gasmi of Algeria (22.51m, 1052). Great Britain's Gemma Prescott was third with 20.50m (10.15).
There was a Cuban one-two in the Long Jump - F13, with Luis Felipe Gutierrez winning with 7.54m, a Paralympic record, ahead of Angel Jimenez Cabeza (7.14m). Bulgaria's Radoslav Zlatanov finished third with 6.81m.
China took the top two places on the podium in the women's Discus - F11/12, Zhang Liangmin winning with a new Paralympic record of 40.13m (997 points) ahead of Tang Hongxia, with Briton Claire Williams third.