Crossword Genius

Climbing a track (6)

Ross

I believe the answer is:

ascent

'climbing' is the definition.
(I've seen this before)

'a track' is the wordplay.
'track' becomes 'scent'.
'a'+'scent'='ASCENT'

(Other definitions for ascent that I've seen before include "made by Hilary and Tenzing" , "Hill" , "Going up" , "The climbing of a peak" , "Maybe promotion" .)

I've seen this clue in The Telegraph.
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