I really hope the next contest is good, I've been looking forward to the next major contest since the start of 2023 pretty much and it'd be nice to see the true, full scale of one myself.
You can always make a remake of your map. You can't always finish a map. It's okay for your map to not be perfect; What's important is that you got something done in the first place. That is the first hurdle to success.
If you don't push yourself, you'll never understand yourself. A good level designer knows what they find fun, and execute that in their maps. Look at your own maps analytically, see what you like, what you dislike; Pick them apart with tweezers inside and out, and see what you can unearth.
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