Inspire a miler running in introductory events (13)

I believe the answer is:

preliminaries

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'introductory events' is the definition.
'preliminaries' can be an answer for 'events' (preliminary is a kind of event). I'm not sure about the 'introductory' bit.

'inspire a miler running' is the wordplay.
'running' indicates an anagram (the letters run around to different places).
'inspire'+'a'+'miler'='inspireamiler'
'inspireamiler' is an anagram of 'PRELIMINARIES'.

'in' acts as a link.

Can you help me to learn more?

I've seen this clue in The Telegraph.

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