It is unclear what you mean by "run away coolmath." However, based on the search results, it seems that "Runaway Toad" and "Escape!" are two games on Coolmath Games that involve escaping from a castle or prison cell, respectively. "Run" is another game on Coolmath Games that involves running through a 3-dimensional course. If you are looking for other "run and jump" games, Coolmath Games has a section dedicated to those types of games. There is also a Reddit post discussing a mysterious Coolmath game that involves puzzles and floating away from balloons.