who the fuck are you usain bolt ?

post a vid and then hnf will reveal secrets to get sub 4 seconds 40

damn ur fast

you cant time that shit accurately in your head...

the faster u run the slower u count

its like physics bruh

cuz ur moving one direction while the particles surrounding ur head reverse direction and stuff, and then u carry the n to x power and it can end up with the error of approximately 4 seconds

Gratz u shul go to the olympic wif 4.1 40 yards

once he gets a stopwatch I bet his time will be like 7 seconds xD

thats what im sayin lmfao

bro science at its finest.. i vouch this shit.

Packed on 5 pounds eating beavy doing heavy core and just ran a 4.04!!!! New PR thank you