How do I get in to check on my brackets for the 2018 NCAA Men's Basketball?

I made 2 as a part of a charity thing at work. I can't seem to find a way to sign in to see how I'm doing. When I click on "check my bracket"- I get a message that says it's past the time to make a bracket since the tournament started. So, I'm confused. How do I get in?
Update: I was able to get in. The page had not totally loaded so, that was blocking my attempt to get at them.
So, far (after I've checked my brackets), I am leading in my group. I usually fall to dead last whenever we do this.
So, I'm a bit surprised. I probably jinxed myself! :D
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