Tank Tops and Cut Offs
Hot Temps and Eye Candy
Full Sends with Friends
Cheers with Beers
#FullSendSummer is Here

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
3+ Miles & 13 Obstacles
Fast, obstacle-packed action is waiting for you on the Tough Mudder 5K course.

10K Logo
6+ Miles & 20 Obstacles
Introducing Tough Mudder 10K, the perfect mix of world-class obstacles to challenge your team.

15K Logo
9+ Miles & 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.

*Code SUMMER25 is valid May 23, 2022 through to May 31, 2022 11:59 PM PDT only. Promotion cannot be retroactively applied. Offer is valid on all US 2022 and 2023 5K, 10K, 15K, Infinity, Toughest Mudder and Tough Mudder Kids 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.