AnimChallenge is a Facebook group that features a monthly animation challenge as well as a dedication to learning within the animation community.
Riot Creative Contest 2017 is a competition by Riot Games and hosted by Polycount that artists, animators and other disciplines can enter. Expect killer prizes, amazing art, and stiff competition.
Current Challenge – Anime Action. A challenge hosted by the Polycount community that changes theme every few weeks. No Deadlines. Just for funsies!
#animonthly is a monthly twitter challenge created by Ross O’Donovan
11 Second Club – A monthly competition that focuses on animating to a different piece of dialogue each month.