Energetic figure from cycling world in France (5)

I believe the answer is:

demon

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'energetic figure' is the definition.
The definition and answer can be both people as well as being singular nouns.
Maybe they are linked in a way I don't understand?

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for demon that I've seen before include "malignant spirit" , "Evildoer" , "Fanatic; devil" , "Skilful person" , "beast" .)

I've seen this clue in The Times.

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