When exercising, does the amount of effort determine calories burned or the actual work being done?

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Will an athlete who runs for an hour at moderate pace and is not tired at the end burn more calories than an out of shape person who runs for an hour a way shorter distance but is exhausted at the end?
Assuming both have the same weight and such

What I want to know basically is if your body gets stronger will it need less energy to perform the same amount of work?

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Anonymous 0 Comments

Being tired/out of breath is a signal that you’re operating at something approaching your limits.

Work is work though. A 200lb person jogging for 100 metres at the same pace as someone weighing 100lbs is going to use roughly twice the energy.

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