A gps device is a back up device, it is not to be used as your main navigation system, OS map sections for the whole route are available and you are required to have with you a compass and if requested demonstrate its use.
2019 Mary Towneley Loop Ultra
Start Location TBC
Multi-terrain course with a few fun bits along the way! (feed stations, juice, cake/bananas, and a whole lot more, situated every 10 miles)