Crossword Genius

Be a dashing candidate? (3)

Ross

I believe the answer is:

run

I'm a little stuck... Click here to teach me more about this clue!

'be' is the definition.
(running is a kind of being)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for run that I've seen before include "Operate; flow" , "publish" , "Manage; flee" , "Unit of score in cricket" , "freedom of access" .)

I've seen this clue in the Evening Standard.
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