People are generally aware that a flea is pretty good at jumping. However, you may not be aware of just how good they are or how you could compare it to what you yourself are able to do from a jumping point of view.
It has been worked out that the flea can jump a staggering 350 times its body length, which is just an insane figure to try to comprehend. In order to put it into perspective, a human being would need to comfortably jump the length of a football field to achieve the same thing.
Considering a long jumper cannot jump over 9m, it just lets you see that we can never achieve this remarkable feat.