Block out the dad jokes. 🔇

OFFER ENDS MIDNIGHT

Let’s be honest: Father’s Day weekend means the internet and your group chats are about to be absolutely flooded with terrible humor and painful puns. Whether you're celebrating with your own old man or just trying to survive everyone else's dad jokes on social media, you’re going to need a distraction.

This is your last chance to get 20% off 5K, 15K, and Infinity tickets. Use code DAD20 before the clock runs out. Think of it as a reward for your patience this weekend.

This promotion is valid until 21 June 2026 at 11:59PM BST. This offer is valid for all 2026 Tough Mudder UK 5K, 15K, Infinity. Offer is not valid on any of the following: US/Germany events, merchandise, spectators, Kids by Spartan, season passes, race passes (including post-event ticket offers), tickets purchased onsite at an event location, or World's Toughest Mudder. To redeem this offer and gain 20% off, use code: DADJOKE at the checkout. This promotion cannot be retroactively applied and cannot be combined with any other offers, discounts, or promo codes.