Who do you think would win the 50,000 meter rowing race, the guy who didn't eat dinner the night before, the guy who ate a lot of carbohydrates in the form of pasta, or the guy who ate 10 snickers bars?
Why would there be a difference?
This goes to the heart of the question this thread is about - the difference between eating carbohydrates and eating sugars.
I know this may be surprising to hear, but as someone who has studied athletic performance and happens also to BE an amateur athlete, I can tell you that your hypothetical scenario doesn’t necessarily give enough information to determine who of those three would perform better.
But since I don’t think you would be interested in seeing the journal citations or learning about things like ATP, VO2 etc etc I’m not going to bother any further.