The trading competition comes with lots of opportunities but a trader needs to be more careful and active in the market such that they won't be able to make careless decisions during the that period. So no i think it you can't really focus on trading at that moment is best to give up the context but trying to say this usually results to more confused trading process and it depends on one's decision.
I've joined a lot of them before but I didn't won any. And that has lost me appetite in joining one and I thought that I'd hone my trading skills through them. It has given a lot of good decisions for those who have won and they're encouraged to be a better trader when all of these competitions are existing in different exchanges. While it can be a life turning competition because it's a skill based which can be used in making more money.