With a wicker replica of Farah in his celebratory 'Mobot' pose overlooking the track, the London Games 10,000 and 5,000 metres champion kicked and pulled away from the field on the home straight, sending the stadium wild, to win in eight minutes 27.24 seconds.
Jamaican world champion Yohan Blake missed the fastest 100 metres of the year by the blink of an eye on Wednesday, his 9.84 seconds a mere 0.02 behind world record holder and training partner Usain Bolt's mark.
Pointing the baton at the clock showing the world-record time of 40.82 seconds, Carmelita Jeter anchored the United States on Friday night to its first Olympic gold medal in the women's 4x100-metre relay since 1996.
Fraser-Pryce, who laid down a marker ahead of next month's Tokyo Olympics, said her speed had taken ever her by surprise.
Widely expected to contend in Saturday's 4x400m relay final, Felix would break Carl Lewis's American medal record if she reaches the podium yet again at her fifth and final Games, a prospect Lewis appeared to welcome.
Olympic champion Shelly-Ann Fraser-Pryce gave Jamaica a 100 metres double, comfortably winning the women's final in Moscow on Monday. The title favourite never looked troubled as she clocked 10.71 seconds.
American champion Tyson Gay continued his impressive buildup to next month's World championships on Thursday by winning the 100 metres at Lausanne's Athletissima Diamond League meeting in 9.79 seconds.
Jamaica won the showcase 4x200 metres relay without Usain Bolt as their American rivals dropped the baton at the IAAF World Relays in Nassau, Bahamas on Sunday.