Caught in the end — cut short marathon athletic event (9)
I believe the answer is:
decathlon
'athletic event' is the definition.
(I've seen this before)
'caught in the end cut short marathon' is the wordplay.
'caught' becomes 'c' (cricket abbreviation).
'in the' means one lot of letters goes inside another.
'end cut' becomes 'death' (I am not sure about this - if you are sure you should believe this answer much more).
'short' means to remove the last letter.
'marathon' becomes 'long' (marathon can mean long or lengthy).
'c' put inside 'death' is 'decath'.
'long' with its last letter taken off is 'lon'.
'decath'+'lon'='DECATHLON'
Can you help me to learn more?
(Other definitions for decathlon that I've seen before include "Competition comprising ten events" , "Latched on to athletic competition of 10 events" , "Athletics contest" , "Series of events" , "Athletic event" .)