If guys can ride flat bar single speeds (okay not great on hilly courses), then you'll be fine.
If you're looking for changes, maybe you want to look at your tires and decide if they're appropriate - my old hardtail beater has giant knobbies on it. For a race you might want something a bit narrower, but it all depends.
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“Courage is going from failure to failure without losing enthusiasm." (Churchill)
"I am a courageous cyclist." (SpongeDad)