Clumber Dirty Dozen
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Clumber Dirty Dozen
The Clumber Dirty Dozen is a trail running event held within National Trust Clumber Park. The main route is 12 miles, run entirely inside the park on a mix of trail and compact paths; the course does not leave the park boundary. The route is fully marshalled and includes water stations along the way. There is a three hour cut off for the event.
Entries are open from 6 March 2026 and close on 24 September 2026. Entry fees are listed as £31 for the first 100 entries and £35 thereafter, with a £2 discount for UKA affiliated competitors. Maximum entries are limited to 500 and the entry list showed 272 participants at the time of publication. The event minimum age is 17 years and children under 17 and dogs are not permitted due to licensing.
Participants and their family members receive free parking and entry to the park. All finishers receive a medal, water and a banana. The event village will include stalls and spot prizes. Trophies are awarded to the first three male and first three female finishers. Worksop Harriers Athletic Club is listed as the event organiser. The organisers provide an event disclaimer and a cancellation and refund policy. Visit the organization's website for the most recent information.
