Dirt Farm is ok...the track there is more of a beganeers/Intermedate MX track and maybe 1 1/2 mile of trials....also has a flat track that is ok....the MX track is more of a bike (2 Wheel) track then a quad track....
Dirt Farm....
http://www.powersportz.com/Bostwick Creek MX Track is a Intermimedate track just south of Jacksonville with ALL table tops and is more Quad friendly...has about 6 mile of trails with tight corners and water holes for the UTE's...all and all a bit better to me then the Dirt Farm...exp. for the trails....here is a link
http://www.bostwickmx.com/never been to Durham