Depending on where the contest was held, this medium could be very useful in announcing the winners. C Partners in the organization of the contest. You can send each of the structures a list of the winners with the request that they distribute that information in whatever way they feel most appropriate. The local partners can certainly take on the task of personally informing the winners themselves.
Many options are also available for awarding prizes.
The important thing is that this decision is based on what would mean the most to the young person in question. At or right after the event when a young winner receives her or his award, be sure to take some time to get to know that person well and to establish a real sense of partnership. We have had the pleasure of developing some great relationships with winners of the Scenarios from the Sahel contest. They have become invaluable advisors and close friends.