Runaway Racing

Race details

Next edition - 8th June 2025

A trail 10K at the delightful Tewinbury Farm & Hotel just north of Welwyn in Hertfordshire.

Our enjoyable 10K route follows a selection of brilliant trails around the estate and surrounding countryside.

The route is undulating with a mixture of terrain to tackle, including single track forest paths and open tracks where you can accelerate off the hard dirt trails.

Enter event

Tewinbury 10K - Discounted entry

£20/£18 (UKA Affiliated)

There's 50 weeks until this race, get your entry in soon!


Key Information

Sunday, 8th June 2025
Start Time
Event base
Tewinbury (North Entrance), Churchfield Road, AL6 OJW
Distance / Elevation
10km / 180m+
Max Runners
Fully marked
Public Transport
Welwyn North - 15 min walk
£22/20 (UKA affiliated)
Minimum Age
Dogs permitted
TRA Permit No. TBC.
Race held under UKA rules.

Image Highlights

Image highlights from the Tewinbury Trail 10K Image highlights from the Tewinbury Trail 10K Image highlights from the Tewinbury Trail 10K Image highlights from the Tewinbury Trail 10K Image highlights from the Tewinbury Trail 10K Image highlights from the Tewinbury Trail 10K Image highlights from the Tewinbury Trail 10K Image highlights from the Tewinbury Trail 10K

Route Map

Event Downloads

Last updated - May 2024

Info document
A downloadable PDF with all key race information.
GPX File
A raw GPX track of the route.
OS Maps
Route trace via Ordnance survey maps, subscription required to view OS map layer.
Route via Garmin Connect.
Google Maps
Interactive route viewable using the Google Maps app
Printable Map
An A4 map of the route to print at home.

Route Description

The Tewinbury 10k route takes place entirely on trails surrounding the hotel grounds.

It is undulating and has a fun rhythm between the ups and downs.

Underfoot conditions will be good with the route providing a nice mix of dirt, grass and woodland trails.

Navigation is simple and will be aided by marshals and our orange signage.


Water, gels, jellybabies


Previous editions

Tewinbury 10K - April 2024
Tewinbury 10K - August 2023
Tewinbury 10K - April 2023

Keep scrolling for more event info

Race Navigation
Race checkpoints

Aid stations

There will be a water stop situated at approximately 6.5km to the route. Cups will be available, please use the bins provided and do not litter under any circumstances.

Event base

Event base

The event is proudly hosted at Tewinbury, a countryside hotel, restuarant and event venue in Hertfordshire.

The estate has a lot to offer and we encourage you to explore the grounds during your visit. For more information please visit the Tewinbury website.

Tewinbury will be providing pre and post-race refreshments at the finish line.

View on Google Maps

Entry details

Registration is £22 (or £20 to affiliated runners). The first 75 runners will recieve a earlybird price of £18/£20. Runners must be aged 16 years or older.

  • Entry to the 10K race
  • Event permitted by the TRA/UKA
  • Finishers souvenir
  • Chip timing with live results
  • Medical support
  • Marked/marshalled route
  • Onsite car parking
  • Bag drop
  • On route photos

Entry details

Event FAQs

We've answered some common questions below. Please contact us if you have any further queries.

How difficult is this race?

Our 10K route takes runners on an undulating course on good quality footpaths. There are two hills to climb, however these are followed by easier sections on flat or downhill terrain.

I'm worried about getting lost?

The route will be marked throughout with our signage, along with marshals at all the key turning points.

Where can toilets be found at this event?

There are fixed toilet facilities on site at Tewinbury.

Are there changing facilities available?

Yes, there will be two pop-up changing pods at the finish for runners to change in private.

How can I attend this event without a car?

Welwyn North train station is a short walk from Tewinbury and is served by regular trains from London.

What footwear should I wear at this race?

The route will be dry throughout but uneven in places. Trail running shoes is recommended.

What prizes are awarded at this event?

There are awards for the top three male and female finishers overall, along with age category awards for FV40, MV40, FV50, MV50, FV60, MV60, FV70, MV70.

How do I follow the route using my phone or watch?

Most GPS watches allow you to upload a GPX file of the route for you to follow whilst running. Typically this is done by loading the GPX file into the app (i.e Garmin Connect), and then syncing your phone/watch together.

If you don't have a GPS watch we would recommend using OS Maps (£20/year) or Strava Premium (£48/year).

Withdrawal options

By entering our race, you agree to the following withdrawal policy. This policy applies to all runners with the exception of women of cannot compete due to pregnancy.

Withdrawal date
Credits issued
More than 4 weeks before race day

Credits can be used on future race entries, any time during the following 2 years.

Withdrawal requests must be completed online via our manage booking functionality.

Manage Booking
Event withdrawal

Fantastic event. Brilliant location and superbly organised! Highly recommended.


Tewinbury 10K, 2023

Very well organised, lovely base for an event with good parking and facilities before an after.


Tewinbury 10K, 2023

Event partners

Precision Fuel & Hydration
Ugoku Projects
She Races
Trail Running Association
Runaway Racing Trig Point Illustration

Our trail running races

Chiltern Ridge Half Marathon 21.2km - 16th June 2024
Dunstable Downs Half Marathon 21.2km - 14th July 2024
Suffolk Coastal Path 50K 50km - 14th September 2024
North Chilterns 50K 50km - 13th October 2024
Chiltern Ridge Winter 50K 50km - 16th November 2024
Chiltern Hills Invitational 10km - 8th December 2024
Chiltern Ridge Ultra 50K 50km - 5th April 2025
Chiltern Hills 100K 100k - 26th April 2025
Tewinbury Trail 10K 10km - 8th June 2025
Hughenden Trail 10K 10K - 19th July 2025
Greensand Country 50K 50km - TBC

Past results & photos

Not sure which race to choose, check out our past event results and photos.

Results & photos