Pace at which to shift dirt, in a way (6)
I believe the answer is:
stride
'pace' is the definition.
(synonyms)
'which to shift dirt in a way' is the wordplay.
'which' becomes 's' (I can't justify this - if you can you should give a lot more credence to this answer).
'to shift' is an anagram indicator.
'in' is an insertion indicator.
'a way' becomes 'e' (Compass direction - East).
'dirt' is an anagram of 'trid'.
's' inserted inside 'trid' is 'strid'.
'strid'+'e'='STRIDE'
'at' acts as a link.
Can you help me to learn more?
(Other definitions for stride that I've seen before include "A big step forward" , "Long step of direst kind" , "use your legs!" , "Extended footstep" , "Take a long step" .)