Saucony Endorphin Pro 3 - Marathon Beginner. Unbox, run test, and review of the Saucony Endorphin Pro 3 in efforts to transition from trail running to road running, as we push for 26.2 during our NYC marathon training. If you are new to running marathons, check out these running shoes from a noob perspective. Thank you for watching, and please comment, like, and subscribe! See these shoes in action in an NYRR Central Park race: Running NYC Central Park Saucony Endorphin Pro 3 available on Amazon: Click Here Please click here to subscribe to us on YouTube: