The new fastest man in the world is Lamont Marcell Jacobs.
In a somewhat surprise outcome, the Italian athlete won gold in the Tokyo Olympics 100m final, posting a time of 9.80 seconds.
Fred Kerley of United States took silver, 0.04s behind, with Andre De Grasse claiming bronze for Canada.
Jacobs powered through the final 30 metres to claim first place, though, having only come third in his semi-final well behind Bingtian Su - who finished sixth here in the final.
For Great Britain there was huge disappointment as Zharnel Hughes was disqualified for a false start.
Speaking straight after the race, he explained that a physical issue led to him going early.
"It wasn't pressure, I wasn't nervous, it's just that my calf cramped up [...] which is heartbreaking. I'm really gutted right now [...] I just have to gather my thoughts right now and refocus."
Hughes will partake in the 4x100m relay for Team GB.
The 100m final only finished with six athletes, after Enoch Olaoluwa Adegoke of Nigeria pulled up midway through.
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