Tough Mudder

Take on the ultimate team challenge with Team Theo at Tough Mudder 2025 at Belvoir Castle- a thrilling course packed with obstacles, mud, and adventure!

Join Team Theo in taking on either the 5k or 15k iconic Belvoir Castle Tough Mudder Route. With obstacles including the Blockness Monster, Everest, Cry Baby, Cage Crawl, and Mudderhorn, this is the perfect team building challenge! Grab your colleagues and sign up for this incredible day of mud, obstacles, and fun!

We ask that each participant aims to raise £200. We're here to help you with your fundraising every step of the way, so if you need anything at all, please get in touch with us!

If you're interested in taking on this iconic challenge, email Harriet to learn more!

Upcoming events

16 May

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24 May

Edinburgh Marathon Festival 2025 (5 & 10k places)

Both the marathon and the half marathon places have now sold out! Run a 5k or 10k at the Edinburgh Marathon festival and make a difference for Sheffield Children’s. Sign up now and be part of an unforgettable weekend!

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1 Jun

Theo's Dragon Boat Race 2025

Take to the lake with a team of 17, win bragging rights, and raise vital funds for Sheffield Children’s.

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