Let’s just start off by saying don’t try this at home – you will probably end up looking like roadkill.

That’s Arizona Cardinals rookie Robert Gill running 25 MPH on a treadmill (for some reason), and if that wasn’t impressive enough for you – he did it from a standing start.

The 29-year old Gill is an AFL journeyman attempting to make his first NFL roster, and he’s certainly helping himself by showcasing speed like that.