not sure how to analyze this drawn game

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maremar3

I played this classical over-the-board game in a local tournament. I don’t have a FIDE rating, but my Chess.com rapid rating is around 1500 for context. My opponent was 1850 FIDE.  

I’ve analyzed this game for a while, but I’m not sure what I can learn from it. I don’t see any obvious blunders, so I’m struggling to figure out what to focus on. Since it wasn’t a win, I’d like to find ways to improve from it.  

Do you have any tips on how to identify key takeaways from games like this? It ended in a draw because I was low on time, and my opponent offered a draw. I didn’t see a clear way to win in the remaining time, and I’m also not used to playing OTB, so I guess that’s one takeaway.