The Death Eaters all halted, gazing at him. Some were panting as hard as he was. One was bleeding badly; Dolohov, freed of the Body-Bind Curse, was leering, his wand pointing straight at Harry's face.
"Potter, your race is run," drawled Lucius Malfoy, pulling off his mask, "now hand me the prophecy like a good boy."
Harry Potter and the Order of the Phoenix
I feel it probably means something like 'this is the end' or 'your struggling ended'. But I'm really unsure about it. What's it supposed to mean here?