Out of Office: On
Idyllic locations
Unforgettable memories
Giggles with friends
Celebratory Bevs

Put Tough Mudder on the top of your summer to-do list, because if you aren’t covered in mud, you are doing it wrong.

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5K Logo
5 Kilometres & 13 Obstacles
Fast, obstacle-packed action is waiting for you on the Tough Mudder 5K course.
10K
10 Kilometres & 20 Obstacles
Introducing Tough Mudder 10K, the perfect mix of world-class obstacles to challenge your team.
15K Logo
15 Kilometres & 30 Obstacles
The Classic Tough Mudder distance now features more obstacles than ever before. Different name, same formidable challenge.

How it works:

Choose Your Challenge
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Choose an event that suits you. From 5K, 10K and 15K to running all day long, we have events to challenge everyone.
Find Your Event
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Pick the date and location that is right for you and sign up through the event page of your choice.
Start Your Prep
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Put in the work. Need our expert trainers to help you get course-ready? Add on an official 5-week event training program at checkout.
SUMMER MODE
JAMS
PHOTOS
EVENTS NEAR ME

Terms and Conditions

Code SUMMER25 is valid 27 May, 2022 through to 31 May, 2022 11:59pm BST only. Promotion cannot be retroactively applied. Offer is valid on all UK 2022 and 2023 5K, 10K, 15K, Infinity, Europe‚Äôs Toughest Mudder and Lidl Mudder events. Offer is not valid on any of the following: merchandise, multi-event bundles, race passes, spectators, training products, or World’s Toughest Mudder. In order to receive the appropriate 25% discount, promo code SUMMER25 must be used at checkout. The promotion cannot be combined with any other offer.