Track Surface & Bias Delaware Park's profile on a D/T card typically puts more emphasis on trip and position than on dramatic rail or dead-rail effects, with dirt routes and sprints often rewarding horses that can secure an efficient early spot and avoid traffic. Under a normal summer setup, stalkers and forwardly placed runners are generally the most dependable types, while closers need a genuinely contested pace to get full value. On the turf, the best bias is usually less about a fixed lane advantage and more about whether the course is firm enough for tactical speed to hold, which can make inside-to-midpack posts especially useful for runners with early foot.