Team round Biden's path (8)
I believe the answer is:
'path' is the definition.
(I know that sidewalk is a type of walkway)
'team round biden's' is the wordplay.
'team' becomes 'side' (both can mean a sports team).
'round biden' becomes 'walk' (I can't justify this - if you can you should believe this answer much more).
Can you help me to learn more?
(Other definitions for sidewalk that I've seen before include "footpath" , "the way, it's American" , "Pavement (US)" , "A pavement in America" .)