One in wild race with hero going round circuit ultimately? (10)
I believe the answer is:
charioteer
'one in wild' is the definition.
Although both the answer and definition are singular nouns, I cannot see how they can define each other.
'race with hero going round circuit ultimately?' is the wordplay.
I cannot quite understand how this works, but
'race' could be 'chariot' (chariot race is a kind of race) and 'chariot' is located in the answer.
The remaining letters 'eer' is a valid word which might be clued in a way I don't understand.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for charioteer that I've seen before include "Hippodrome racer" , "Driver of horse-drawn fighting vehicle" , "Driver common in early warfare" , "Driver of Roman vehicle" , "Ben Hur?" .)