In the realm of fictional characters, like those found in comics, movies, and TV shows, the abilities of "speedsters" can vary widely depending on the specific character and the creative choices made by the writers and creators. Speedsters are characters who possess superhuman speed as one of their primary powers.
In many fictional depictions, speedsters can indeed run in reverse or have the ability to manipulate their speed in various ways. They can run backward, change their direction rapidly, and perform other impressive feats related to their super speed. Some speedsters might even have the capability to manipulate time, allowing them to reverse time or move at near-light speeds, enabling time travel.
However, the exact limitations and abilities of each speedster can differ depending on the story's continuity and the character's specific powers. For example, characters like The Flash, Quicksilver, or Speedster from "The Boys" all have unique variations of super speed and might exhibit different capabilities.
So, while many speedsters in fiction can run in reverse, it's essential to remember that each character's abilities are determined by the creative choices of the writers and are not based on real-world physics or limitations.