A 3D simulation has shown what could happen in a race between iShowSpeed and NFL star Tyreek Hill.
Speed claimed in March to have ran the 100 metres in 10.5 seconds.
He has also declared that he wants to attempt to compete at the 2028 Olympics in Los Angeles.
Miami Dolphins wide receiver Hill is one of the fastest players in the history of the NFL.
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He is a former track and field athlete, who still occasionally competes.
The 31-year-old ran a time of 10.15 in a dash race at Notre Dame High School, California, in June.
He is also a world U20 champion at junior level.
In the 2023/24 season, he reached a top speed of 23.24 miles per hour - making him the fastest player in the NFL.
Now, YouTube user MotionAthlete has simulated a Speed versus Hill race, with both running in the same conditions.
The simulation uses a range of calculations to determine that Speed could run 10.84 seconds over 100 metres.
That is because, despite Speed's claims that he ran a 10.5-second time, there is as yet no video evidence.
Hill's new personal best of 10.15 is used in the simulation, meaning he is the clear winner.
But in terms of the race itself, the 31-year-old moves well clear by 60 metres, which is where the race is won.
He is 0.4 seconds ahead after 60 metres, before gaining an extra 0.29 seconds in the final 40.
A second simulation sees Speed given a five-metre headstart - with the result being much closer.
Hill gradually gains on his opponent, but it is only a matter of yards from the line that he pulls alongside.
The NFL star's longer reach enables him to get across the line to secure a narrow victory.
Hill called out Speed for a race earlier this year, stating: "Speed is the fastest streamer. But you still can't beat me.
"Stop ducking me, dog. I'm waiting on my turn. I live in Miami, just like you live in Miami.
"Let's go. Let's get this thing going."
Topics: IShowSpeed, NFL, Athletics
Ryan Smart