rabbit
n.— «A rabbit, in track and field parlance, is a pacemaker, or the athlete who gets things going in middle and long distance races before paving way for selected runners to take up the cue and post designated times, in most cases world records.» —“Kingmaker Martin Keino’s glittering track career ends” by Elias Makori Nation (Kenya) Oct. 1, 2005. (source: Double-Tongued Dictionary)