A 100 mile ultramarathon centred on Nottinghamshire, using trails through Sherwood Forest and surrounding countryside. The route features mixed terrain including forest tracks, rural paths and quieter road links, with modest elevation compared to mountain ultras. The profile is largely rolling rather than steep, with cumulative ascent spread across the distance. Participants should consult the organiser’s information for details on course format, navigation method, checkpoints and aid station arrangements.