The prizes comprise of multiple items and can be anything from Coins to the Champion Chest.
Although it may feel like you are separated from the Champion Chest by a vast sea of points, tackle one prize at a time and soon it will be within your reach.
On the home screen of the event you will be able to see what your next prize will be and how close you are to reaching it.
To review claimed prizes simply go to the reward window (by selecting the gold and elixir icon in at the bottom of the event window). All claimed prizes will be marked by a claimed seal to show you’ve already collected them.