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GUT BUSTER 2025 - Sunday 28th December

DETAILS

Distance / Type
10km & 10 Mile Trail Run
Date and Time
Sunday 28th December 2025 @ 10:00
LOCATION

Butlers Lands Farm
Mortimer
Reading
Berkshire
RG7 2AG

Directions

All event car parking will be at the Mereoak Park & Ride site (RG7 1JL). Mereoak Park & Ride is signed half a mile south of Junction 11 of the M4 along the A33.

2025 Prices
10km - £32
10 Mile - £35
CONTACT US
07917 666888
EMAIL US
info@mstevents.co.uk
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The iconic GUT BUSTER, the best way to end the year.... water crossings, Roman Walls, fields, footpaths, and what is sometimes the hardest last 400m in British Athletics [farmer/ crop rotation dependent].

The epic mud-fest of 2017 and 2022 will be talked about for years to come…what more excuse do you need to escape the family during the holiday season! Complimentary Mulled Wine and Mince pies at the finish line and we also hope to have a local brewery, massage and refreshments 🙂

Included wth your regsitration fee:

  • Epic medal
  • iTAB engraved with your name and finish time (delivered a few days after the race)
  • Free race photos
  • Chip Timing
  • Ample Toilets

If you would like to volunteer please email Kirsty -kirsty@mstevents.co.uk!

 

Please note dogs are no longer permitted at this event, due to restrictions on the buses and requests from the local landowners.

“Definitely a race everyone should do. 2 hour cut off is achievable by runners and joggers alike. Most fun I’ve had on a trail run.”

“Absolutely loved it. Proper mudfest. Great logistics. Thanks very much for organising it!”

“This is a great event and an absolute must do between Christmas and New Year to burn off some Christmas calories. A supererb course, great fun and always muddy! Sign up ealry as it always sells out.”

FAQ's

No, all parking is at Mereoak Park & Ride (RG7 1PB) – which is free to park at. There is a FREE shuttle bus to/from Mereoak Park & Ride to the event start, approximately a 10 minute journey.

Toilets, Baggage Area (bags left at your own risk), Massage & Catering Van.

The minimum age for the 10km is 13 and 16 for the 10 mile event.

Yes, there is a 2HR CUT-OFF at the 8 mile point in the 10 mile event. If you miss the cut-off you will be directed to the finish thus completing a total run distance of c.8.5 miles.

  • Your best running legs!
  • A change of warm and dry clothes and trainers for after the event
  • Your own drink bottle to put at the finish line – there will be LIMITED water and cups available
  • A cup (not a jug!) for some mulled wine after the run

Yes, you will be able to download them for FREE after the event from FlickR with thanks to Chris Drew.

Sadly no, we don't allow dogs at this event, due to restrictions on the buses

No – for everyone’s safety we stipulate that headphones are not allowed at this event.

Yes, we support Home Start West Berkshire at this event.

Entry fees are non-refundable, should the event not be able to be staged the event will be held virtually.

You can find the 2024 instructions here.

Please email info@mstevents.co.uk and we can send you a link

Mapledurham 10
MAPLEDURHAM 10 & HALF
Sunday, 30th November 2025
10km, 10 Mile and Half Marathon Trail Runs!
Mapledurham Estate, Reading
Gut Buster December
GUT BUSTER
Sunday 28th December 2025
10km & 10 Mile Trail Run
Butlers Lands Farm, Reading
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