Right away, Bolt races around hurdle (8)
I believe the answer is:
obstacle
'hurdle' is the definition.
(I've seen this before)
'right away bolt races around' is the wordplay.
'right' becomes 'r' (common abbreviation).
'away' is a deletion indicator.
'around' is an anagram indicator.
'bolt'+'races'='boltraces'
'boltraces' with 'r' taken away is 'boltaces'.
'boltaces' with letters rearranged gives 'OBSTACLE'.
(Other definitions for obstacle that I've seen before include "Barrier or impediment" , "Blockage, hindrance" , "bar" , "It obstructs or hinders" , "race" .)