Formal:
* Sprint: This is the most common synonym and implies a burst of speed over a short distance.
* Dash: Similar to sprint, but can also imply a sudden movement.
* Hurtle: This word suggests forceful, rapid movement.
Informal:
* Bolt: This implies a sudden and fast escape.
* Scramble: This suggests a hurried and possibly chaotic movement.
* Zoom: This suggests a very fast and smooth movement.
* Scoot: This is a casual term for running quickly.
Other options:
* Rush: This can be used in a general sense to describe moving quickly, but not necessarily running.
* Race: This implies a competition to run quickly.
The best word to use depends on the context and the specific meaning you want to convey.