[@MelonHead]

To me, superhuman speed is anything beyond normal human capacity. I.e, Blythe's faster than the world's fastest olympic sprinter, quick enough to run down a car on the highway, and that's about it. That's why I also included this: 

[i]While not capable of attaining the inhuman velocities of metahuman super-speeders, 'Overrun' is still capable of moving faster than the eye can see in extremely short bursts -- leaps or single steps at most.[/i]