According to Einstein’s theory of special relativity, published in 1905, nothing can exceed the speed of light (c). It’s a constant so it remains the same wherever you are. If you’ve heard of the Large Hadron Collider (the LHC – Prof Brian Cox who’s on the telly works there) then they have accelerated sub-atomic particles to well over 99 per cent of the speed of light which is about 300,000 kilometres per second or 186,000 miles per second!
If you have mass, it is impossible to travel faster than light, as it requires infinite energy to move an infinite bit of matter. So humans, for example, have a mass. You’d be able to accellerate yourself, to just under the speed of light but not over it. I don’t know why you’d want to do this, morac, but if you do, be sure to get in touch as It’d be cool to see what happens! 🙂