fall behind

chase falter lag pull

dally dangle dawdle delay dog drag draggle draw droop extend flag halt hang haul hunt linger loiter plod poke procrastinate pursue shadow shag spook spoor stalk straggle stream tail tarry tow trace track traipse trudge

bedog bring up the rear drop back fall back follow a scent hang back hang down nose out poke along string along tag along take out after

advance carry on complete finish forward go hasten hurry ignore leave leave alone let go push rise run away rush shorten speed stop tiptoe

lead