Section 11.04.01.253 - HORSE RACE TRACKS01.Track Width. A minimum of twenty (20) feet of track width must be allowed for the first two (2) horses in a race, with an additional five (5) feet for each added starter.02.Implements. Racing Associations must provide adequate equipment and personnel to maintain the track surface in a safe training and racing condition and provide back-up equipment for maintaining the track surface.03.Limit on Number of Horses. No more than eight (8) horses may start in any race on a one-half (1/2) mile track.04.Racing Surface. The surface of a racetrack, including the cushion, subsurface and base, must be designed, constructed and maintained to provide for the safety of the jockeys and horses.05.Rails. Race tracks must have inside and outside rails, including gap rails, designed, constructed and maintained to provide for the safety of jockeys and horses. The design and construction of rails must be approved by the Racing Commission prior to the first race meet at the track.Idaho Admin. Code r. 11.04.01.253