Clumber Dirty Dozen
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Clumber Dirty Dozen
The Clumber Dirty Dozen is a new trail race held in 2026 inside National Trust Clumber Park. The course is 12 miles and runs entirely within the park on trails and compact paths.
The route is fully marshalled and includes water stations. There is a three hour cut off. All finishers receive a medal, water and a banana. Trophies are awarded to the first, second and third placed male and female finishers. The event village will include stalls and spot prizes. Free parking and park entry are included for the runner and family members.
Entry is limited to 500 places and entries are recorded through SiEntries. Minimum age is 17 and children under 17 and dogs are not allowed due to licences. Entries open 6 March 2026 and close 23 September 2026. Entry fees are listed as £31 for the first 100 entries and £35 thereafter, with a £2 discount for UKA affiliated competitors. The confirmed route is available to view on the event Facebook page. Visit the organization's website for the most recent information.
