One of the foundation energies of the dimension, the basis for all kinetic movement.
Those with the ability to tap in to it in order to achieve staggering movement include;
The Flash
Quicksilver
Northstar
Aurora
Velocity
Kid Flash
Impulse
Spitfire
Lightning
Black Racer
Surge
Syphon
Speed Demon
Lightspeed
Vitesse (via his TriCore Speed Force cycle)
Cheetah