Clumber Dirty Dozen

Clumber Dirty Dozen Welcome to the Clumber Dirty Dozen

Final Race day instructions will be sent out Friday 18th September.Final call for entries with a medal is Thursday 17th ...
15/09/2026

Final Race day instructions will be sent out Friday 18th September.

Final call for entries with a medal is Thursday 17th September

And Final day for entries is Thursday 24th September. There are no entries after this or on the day.

I really dont want anyone to miss out so please if you are on the fence about entering take the plunge and come and have a go !

https://www.sientries.co.uk/event/clumber-dirty-dozen-2026

14/09/2026

Just a quick reminder that Thursday 17th September will be the last date for entries that guarantee a medal, due to medal production.

Don’t miss out — please book on today through SI Entries or via our page using the entry link.

Clumber Dirty Dozen

11/09/2026

2 weeks to go and only 10 days until entry close. 👀

As well as the stunning slate medals we have this year , we also have Plaques and prizes for 1st , 2nd , 3rd Male & 1st ...
11/09/2026

As well as the stunning slate medals we have this year , we also have Plaques and prizes for 1st , 2nd , 3rd Male & 1st , 2nd , 3rd Female. Pictured is one of those beautiful Plaques.

Prizes are just for the winners though as we have spot prizes for those out on the course

If you would like to get your hands on one of these Plaques and think you can then enter below !

Medal , Banana and Hydration for every finisher.

Enter via SI Entries or through Clumber Dirty Dozen link

🏃‍♂️🔥 CLUMBER DIRTY DOZEN – 26TH SEPTEMBER 2026 🔥🏃‍♀️Fancy taking on 12 miles of stunning Clumber Park trails? 🌳🌊The Clu...
10/09/2026

🏃‍♂️🔥 CLUMBER DIRTY DOZEN – 26TH SEPTEMBER 2026 🔥🏃‍♀️

Fancy taking on 12 miles of stunning Clumber Park trails? 🌳🌊

The Clumber Dirty Dozen is a proper trail-running challenge, fully contained within Clumber Park.

🏃 12 miles of beautiful trail
🛡️ Fully marshalled
🏅 Medal for EVERY finisher
🌳 Free entry to Clumber Park included
⏰ 11:00am start
📍 Clumber Park, Nottinghamshire

Whether you're looking for a new challenge, want to test yourself over 12 miles, or just fancy a brilliant day out on the trails with your running mates — this one's for you.

🔥 ENTRIES ARE OPEN NOW!

We're limited to 500 runners, so don't leave it until the last minute.

👉 ENTER NOW: via our home page Clumber Dirty Dozen or via SI ENTRIES

Get yourself signed up, get your mates involved and come and get DIRTY with us! 😈🌳🏃‍♂️

08/09/2026

We need help ! Can anyone spare a few hours on the 26th September please ? We need x 2 marshals for the Clumber Dirty Dozen at Clumber park.

Needed from 09.30 please comment or drop me a message if you are available 🙏

Some free local history if anyone is interested
08/09/2026

Some free local history if anyone is interested

😍😍
07/09/2026

😍😍

Lazy Sunday afternoon? Not sure what to do ? Sign up to the Clumber Dirty Dozen and bag yourself one of these bad boy...
06/09/2026

Lazy Sunday afternoon? Not sure what to do ? Sign up to the Clumber Dirty Dozen and bag yourself one of these bad boys.

Enter via SI Entries or through our Clumber Dirty Dozen page - link on the page for entries

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Clumber Park
Worksop

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