Review on Saucony Endorphin Speed Running Shadow Men's Shoes in Athletic by Inyong Dow

No, you don't suddenly become fast. However, you will find that you run better than most other shoes you can run in. In these shoes, you walk on your toes or the balls of your feet. Not the best shoes for walking or heels. If you can use proper form, they get you going well and can be helpful for faster runs.