The Gisburn Dirty Dozen, a 12-hour mountain bike enduro, takes place on Saturday 11 June around the trails in Gisburn Forest, Bowland, Lancashire.

The course is a mixture of fast trails and technical riding, and the event is open to solo riders, pairs and teams of three.

Registration opens Friday 7.30pm in the village hall and camping is available if required. Registration will also be open from 5.30-6.30am on Saturday morning but please try to register the evening before to ensure that you do not miss the start.

The event starts at 7.30am with a half mile run to reach your bikes and separate the riders. Upon completion of each lap you can ‘tag’ your partner or team mate and they will then complete the next lap, solo competitors just keep going.

More info on the event here www.epicevents.org/section.php/24/1/-dirty-dozen-12hr-mtb–race–june-11th-2011