Tournament contests that might have you out of your seat (6)

I believe the answer is:

jousts

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'tournament contests' is the definition.
The answer and definition can be both related to natural events as well as being plural 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?

(Another definition for jousts that I've seen is " contests on horseback".)

I've seen this clue in The Guardian.

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