Meanwhile, the top of the podium has continued to evade Team USA, which finished second to Great Britain on Saturday with a time of 37.52 seconds, just five-hundredths of a second behind the leaders.
His team-mates gathered round him and the 19-time global champion was helped to his feet and limped over the line, applauding the crowd as he did so. He ran his last individual race, the 100m, last Saturday, managing only a bronze; no fairytale finish for him.
"It was cold. Usain said to me "I don't like this", because we keep on warming up, and sitting, and warming up".
"He didn't tell us exactly what happened but from what I saw, it looked like a strain or a cramp of some sort", Forte said.
An 11-time gold medalist at the World Championships Bolt has always been excited when it comes to running the relays.
"I came to the world championships and got the silver medal and I think it's definitely the start of a great career".
Farah, 34, will now turn his attention to the marathon after failing in his bid to double up at the Olympics or World Championship for the fifth time, including double gold in London 2012 and the Rio Games past year. He's a performer and I think we can all appreciate it. "40 minutes and two medal presentations before our run", said Yohan Blake, who branded the wait as "crazy".
The Jamaican champion eventually waved the medics - and the wheelchair - away and with the other three Jamaican team members now around him he walked to the line.
Bolt, running the final race of his career, suffered cramps on his left hamstring as he sought to chase down the British and American rivals in the last lap of the men's 4x100m relay race.
"Two gold medals is fantastic for me", Bowie said. I am sorry he (Bolt) got this injury.
He said: 'I think they were holding us too long in the call room.
Prior to the men's final, the women's quartet of Asha Philip, Desiree Henry, Dina Asher-Smith and Daryll Neita took silver after finishing second behind the United States.