The fastest man at the Olympics when Usain Bolt retired was Italian Jacobs.
In the men's 100m track that just finished a while ago, he took a surprise victory with a time of 9.80.
Fred Curley of Lane 5 started the fastest.
But in lane 3, Marcel Jacobs in blue jersey strikes.
Italian Jacobs crosses the finish line first.
9 seconds 80!
This is a European record.
A completely unexpected new champion was born.
It is the first time in 29 years since Linford Christie of England won a gold medal in the 100m at the Olympics by a European athlete at the Barcelona Games.
Fred Curley of the USA took the silver by 0.04 seconds and Andrei Douglas took the bronze medal in 9.89.