Running pic German's developed (10)
I believe the answer is:
scampering
'running' is the definition.
(scampering is a kind of running)
'pic german's developed' is the wordplay.
'developed' indicates anagramming the letters.
'pic'+'germans'='picgermans'
'picgermans' is an anagram of 'SCAMPERING'.
(Other definitions for scampering that I've seen before include "in a hurry" , "Rushing" .)