Brother Gus, with Logan Powell in the sulky, stays ahead of Bristol, driven by Skip De Mull, for a win in the first heat of the Signature Series' Grand Lake Trot on Sunday afternoon at the Mercer County Fair. The other heat of the Trot was won by Tesla, driven by Jack Dailey. The harness racing program for the fair concludes tonight with a 6 p.m. start. The Grand Lake Pace will be featured during the 10-race program.