A Challenging Winter Trail Race in the Heart of Kielder Forest

Saturday 7th January 2023

Entries to open late September/October. Further details & entry links will be available nearer the time.

This is the transferred participant list from the 2022 January event

Make your Kielder visit into a weekend of fun! Held in conjunction with the Kielder Dark Skies 10k Night Trail Race on Saturday evening & the Kielder Off Road Duathlon the following day.

The Kielder 10 mile trail run is open to all abilities of runners. Whether you are a seasoned veteran or new to trail running this varied course offers something for everyone. Incorporating a great blend of terrain, you will be tackling some of the amazing trails that Kielder Forest has to offer, from the secluded Archer Cleugh Burn to the more popular Lakeside Way multi user trail.


With 320m of ascent the route provides some testing climbs & exhilarating descents. The course will be fully marked so all you need to do is follow the route & enjoy the scenery! This is a great event to bring along family & friends for spectating. With the route returning through the finish area at the half way point there's plenty of opportunity to offer encouragement.

 Date:  Saturday 8th January, 2022     Distance 10 Miles/16km         Start Time: 10:30          Time Limits:4hrs


Venue: The event is to be based at Kielder Castle Visitor Centre, Kielder, Northumberland, NE48 1ER. This is ideal for families & supporters.


As Kielder Castle is currently undergoing refurbishment we may need to relocate the event start/finish area. There are a number of alternative options adjacent to the castle. Updates will be posted nearer the time.

 Registration:   0830 - 1000. Event numbers will be issued at registration. Briefing notes will be available approx. five days prior to the event. No information will be posted out.


 Entry Fee:  £25                          

If the event is cancelled due to Covid regulations, participants will be offered either:
  -A full refund minus the 6% online entry fee
  -Automatic transfer to 2022
  -Transfer your entry to another selected High Terrain event of similar value. This can be in either 2021 or 2022.

Parking: Event parking is at Kielder Castle Visitor Centre car park (pay & display) which is just a few minutes’ walk to the castle.

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What's Included in Your Entry:

  • All event organisation

  • Experienced safety team cover during the race, including qualified & experienced personnel at various locations

  • Qualified medical support

  • A stunning event venue

  • Fully marked routes

  • Online Registration, electronic chip timing

  • Unique finishers medal,  customised race number

  • Refreshments at finish, hydration station

For refunds, deferrals and cancellation policies please consult our T&Cs page

Kielder Winter 10 2018 Race Video

Kielder Winter 10 2018 Race Video

Play Video
Race Feedback

Both races on Saturday were great, well organised and super friendly marshals - thanks Lizzie Mahon

Thanks for a brilliant event today . Really enjoyed it . Thanks to all marshals and helpers too Lindsay


Ruth Stokes My first winter trail with my daughter (Christmas present from her). We may have come last but the organisation and marshals were great. Hope we can do this again as it was a brutal but stunning race x

I just wanted to say what a great race the Kielder 10M was. Well organised and a great route  Andrew


“Thank you for holding the Kielder 10miler this morning. Really enjoyed it even though the stunning course was brutal. Hope to be back next year"  Gillian Allen

To all involved in this weekend’s events...Thanks for a great day out! Challenging but enjoyable courses, really well marked on great trails. Superb marshals and thanks to all for waiting for me to finish. I was last finisher in both 10miles and 10km Thanks again Helen



Terrain: The course incorporates a great blend of forest roads, singletrack, a few short stretches of tarmac &  a section of the Lakesideway multi user trail.


Time Limit: 4hrs.

Ascent: 323m     Descent: 337m

Course: Starting and finishing at Kielder castle, the initial loop heads out along a fast forest trail before picking up a single track section towards Ravenshill. The trail climbs gradually with superb views across the whole valley. A fast runable descent leads to the secluded Archer Cleugh burn, then from here return back to Kielder Castle which is just over half way on the course at this point.


Cross through the finish area in the castle grounds & head out onto the second section of the course. This follows through Viaduct Wood alongside the river North Tyne, leading onto a loop which initially crosses underneath then across the historical Kielder Viaduct. Enjoy the spectacular views across Bakethin Nature reserve as you cross the viaduct (10km point) & follow the course of the old railway line. This leads onto a section of the Lakeside way multi-user trail to reach Bakethin Weir.

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The route now follows the forest road leading up a steady climb past Devil's Lapful to reach the junction at Castle Hill This is followed by an exhilarating single track descent to reach ‘The Duchess Trail’ running alongside Kielder Burn. Cross the old pack horse bridge returning back to Kielder Castle to a well deserved finish.

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The course will be fully marked so all you need to do is follow the route, enjoy the scenery & look out for the forest animals. This is a great event to bring along family & friends for spectating. With the route returning back through the finish area at the half way point there's plenty of opportunity to offer encouragement.

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Required Kit: We've experienced some fantastic winter conditions at Kielder at previous events. The weather can change quickly or vary, with conditions in the valley very different from high up in the forest.To ensure you're prepared for the conditions that can be encountered at this time of year, all participants must dress appropriately for the conditions with suitable clothing & footwear.


Course Records:

Marcus Dæagrosa

(GALA HARRIERS)           58:31    
Hannah Jarvis         1:07:55