According to the AcrobaticsDDI skill you can use an Acrobatic Stunt to "somersault over an opponent", amongst other things . It gives a base DC of 15, and "the DM sets the DC based on the complexity ...
Here's the situation, a large creature moves next to a Wall of Fire. W CCW CCW W Next it moves into the wall, taking damage W CC CC W Then it moves again W CC CC W ...
If a Human is in desperate need to run away from a monster and he decides to use three Move actions (Standard, Move, Action Point) on his turn to run, how fast is he running?