Crossword Genius

Formula One racetrack ultimately avoided car crash (6)

Ross

I believe the answer is:

fiasco

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'crash' is the definition.
The definition and answer can be both related to natural events as well as being singular nouns.
Maybe you can see a link between them that I don't see?

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for fiasco that I've seen before include "bomb" , "Ridiculous and total failure" , "Total cock-up" , "Ignominious failure" , "Sudden and complete collapse" .)

I've seen this clue in The Telegraph.
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