Group given lift in Transit up to HS2's trackside event (4,3)
I believe the answer is:
shot put
'event' is the definition.
(shot put is a kind of event)
'group given lift in transit up to hs2's trackside' is the wordplay.
'SHOT PUT' is hidden back-to-front in amongst the letters.
But, I'm unsure how this is indicated.
Can you help me to learn more?
(Other definitions for shot put that I've seen before include "Olympic event" , "Field event in athletics" , "Competition in which a heavy metal ball is hurled" , "Throwing contest" , "Athletic field event" .)