Marathon has a new reward program called Marathon Rewards. It's free to join and easy to use! Just enter your phone number to sign up and start earning your rewards. Once you join simply enter your phone number with each fuel purchase to earn 5 cents for every gallon you pump at a participating Marathon or Arco fuel stations. The rewards don't end there. You can also earn additional rewards on select in-store purchases as well as third party offers. Click below to sign up today and start earning!