The schedule of racing has now been published for Saturday and Sunday.
Racing runs from 8am until 7pm on Saturday and 8am to 6:30pm on Sunday.
Competitors should read and abide by the competitors instructons and local rules.
Visitors arriving by car should be aware of the parking arrangements in force over the weekend.
During racing the website will display live results and you will also be able to find results on Twitter by following @DurhamResults