It's the European Championships, and I'm here to cheer my brother on who's representing Great Britain in the cycling.
It's a really big deal, because if you do well here, the chances are you could one day be winning medals at the main Olympics.
Wade Bennet Jackson is one of our biggest hopes. At 17 he's already outrunning the rest of the field!
He came first in a sprint event, after years of training.
You'll definitely be seeing more of him in future.
The Youth Olympics go on until the end of the week, and who knows, I could have just witnessed some of our Olympic heroes of the future!"
Watch Katherine's report
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