Even if a website has the same physics, the coolmathgames category is and always will be only for the coolmathgames version. Sorry, rules are rules. Often, Poki isn't blocked as much as coolmathgames, so you're welcome to do runs there too.
Cool man, you gonna post this on Tik Tok now?
If you want to join the tournament you can join the Discord via the link on the game page, so there's no need to miss out if you don't want to.
While most people probably already saw this, I thought it may be important for the few who didn't. Imgur is now deleting all posts not tied to an account, so if some of your runs use it then you may want to ensure they are safe. This is the best way: https://www.speedrun.com/news/906-2023-4-25-imgur-is-deleting-all-old-content-not-tied-to-an-account-find-out-if-this-affects-you.
There is no escape from CoKoNut, even if you try to click a different link.