"Emotions have been high coming into this event - not as much as (the 2012 Olympics in) London but it is my last time at home and I really enjoyed it," said Farah, who paid tribute to the home fans.
Mo Farah wins his last track race in Britain →
"Tactically, I was trying to cover every move," Farah said. "They had the game plan. One of them was going to sacrifice themselves. That's what they did tonight, and the better man won."
Mo Farah loses in final race on track at worlds →