Where does Gut Buster take place?

Gut Buster takes place in Mortimer, Reading, UK.

What distances does Gut Buster offer?

Entry options include: 10K, 10 miles.

How is Gut Buster rated by runners?

Gut Buster has an average rating of 4.88 out of 5 from 94 verified participant reviews on Racecheck.

What is Gut Buster like?

Based on participant reviews, runners describe it as: Challenging (54% of reviews), Large Festival Atmosphere (51% of reviews), Remote Nature (97% of reviews), Undulating - Mixed (83% of reviews).

Gut Buster reviews

Name: Gut Buster
Start: 2024-12-28
End: 2024-12-28
Location: Mortimer, Reading, UK
Rating: 4.88

Kirsten S.

5.0

· 2025 10miles ·

Really well organised event with a lovely family feel. Course was well laid out and a beautiful run. Would definitely do again!

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Jen W.

4.7

· 2025 10k ·

Third year at the Gut Buster and it’s now an unmissable part of my festive calendar! A really friendly and inclusive event, with a challenging but fun and varied course. The volunteer marshals are amazing - so encouraging and cheerful despite the cold! At the finish you get a chu...

Third year at the Gut Buster and it’s now an unmissable part of my festive calendar! A really friendly and inclusive event, with a challenging but fun and varied course. The volunteer marshals are amazing - so encouraging and cheerful despite the cold! At the finish you get a chunky medal, a mince pie and some mulled wine, and you can also download race photos for free - a great perk. You can also reward yourself with doughnuts and beer from local sellers. Logistics are easy with the free shuttle buses from the park and ride, and you can leave your bag in the shelter of the barn during the run. Can you tell I love the Gut Buster :D

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Emma S.

4.8

· 2025 10 miles ·

This was the second time I have done this event and I love it. Just a very friendly, good crack xmas get together run. Its great fun and perfect to keep you ticking over. Wish you did more events through the year.

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Jocelyn A.

5.0

· 2024 10km ·

Fantastic event - Great Marshalling - Super Supportive. There is a ford you can avoid - a stream you can’t and 2k of mud at the end. Lots of fun

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Carole L.

4.9

· 2024 10 Miles ·

Was well organised event from bus pick-up, bib collection, enthusiastic marshalls and a fantastic route. A great way to end the year

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tom b.

5.0

· 2024 10 miles ·

I've completed the Gut Buster several times now and every year I am never left disappointed with how well-organised the event is, making the runner's life as easy as possible. The marshalls were placed brilliantly to provide clear instructions and support around the challenging y...

I've completed the Gut Buster several times now and every year I am never left disappointed with how well-organised the event is, making the runner's life as easy as possible. The marshalls were placed brilliantly to provide clear instructions and support around the challenging yet rewarding course, finishing with a delicious mince pie and mulled wine. The medal was amazing this year, I especially love the bottle-opening feature and can't wait for my iTab to arrive. Thank you to the whole MST team and marshalls for all your work, this was definitely my favourite race of the year!

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Richard B.

5.0

· 2024 10 mile ·

Yet again the guys at MST organised and delivered an outstanding event. Everything from booking on the run, reception, safety briefing, start, course, marshals to the finish was all fantastic. Not to mention you will get muddy! Definitely would recommend the gutbuster to every...

Yet again the guys at MST organised and delivered an outstanding event. Everything from booking on the run, reception, safety briefing, start, course, marshals to the finish was all fantastic. Not to mention you will get muddy! Definitely would recommend the gutbuster to everyone.

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tim l.

4.9

· 2024 10km ·

Always my favourite race of the year Very well organised and always nice to finish with a mince pie and a mulled wine Good mix of road, trail and water to run through

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Nick O.

5.0

· 2023 10 miles ·

I’m a long time participate of the Gutbuster, 10th year for me . Always a fantastic end of year event, support from all the marshals is fantastic, the MST team make the whole experience well worth while . And the conditions just add to the fun. It’s not a true Gutbuster without...

I’m a long time participate of the Gutbuster, 10th year for me . Always a fantastic end of year event, support from all the marshals is fantastic, the MST team make the whole experience well worth while . And the conditions just add to the fun. It’s not a true Gutbuster without Mud, Mud and more Mud !!!

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Can't beat the Gut Buster mud Nick - it is a special kind!

Emma S.

5.0

· 2023 10K ·

This event was FANTASTIC! What an excellent way to end the year on the high. Yes it is very muddy, wet and slippery but that is what makes it so much fun to take part. Plus the huge chunky medal and mulled wine at the end were great bonuses! Would highly recommend to everyone, I ...

This event was FANTASTIC! What an excellent way to end the year on the high. Yes it is very muddy, wet and slippery but that is what makes it so much fun to take part. Plus the huge chunky medal and mulled wine at the end were great bonuses! Would highly recommend to everyone, I will definitely be back next year.

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We look forward to seeing you Emma!

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Gut Buster