Recovering (8)
'recovering' is the definition.
(on the mend means recovering or recuperating)
This is the entire clue.
(Other definitions for on the mend that I've seen before include "Recovering from an injury or illness" , "Making recovery" , "Becoming better in health" , "Improving in health" , "convalescing" .)
(Other definitions for restoring that I've seen before include "Bringing back to former state" , "Returning to the original state" .)
'recovering' is the definition.
(rallying is a kind of recovering)
This is all the clue.
(Other definitions for rallying that I've seen before include "Reviving" , "activity in cars?" , "staging recovery" , "making recovery" , "Motor sport" .)