If you dream that you receive the medal for something, but it isnt the first place in the competition, it shows that you are going very well while dealing with your life. If you are not satisfied with your medal, because you wanted to receive the medal for the first place, then such dream shows that you are not happy with what you have achieved. The dream could also mean that you are too competitive and should relax and enjoy the life as it is. Dont push yourself too hard.
Read more about dreaming of Medal (other than first place) in other dream meanings interpretations.