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Bringing walkers together Read more
The Hoka Hackney Half is the highlight of London's running calenda Read more
Take in the iconic sights of Milan while running for the BTF Read more
Whether you're an adrenaline junkie, running fanatic or fun seeker, find your perfect challenge and raise money to help people live better with thyroid disease.
We have places in some of the UK's top challenge events. Our registration fees are often much lower than it would cost to register independently, and places are guaranteed! In return, we ask for a minimum sponsorship fee, and we'll support you to reach these goals!
If you have a fundraising idea you'd like to discuss, we'd love to chat. Please contact our fundraising team at [email protected]
Not found what you're looking for? We have guaranteed spaces in a wide range of running and challenge events Browse all our event spaces
Will you start a conversation about this 'silent' disease to help the thyroid community be heard? Read more
Will you 'Have a Good Brew' to raise awareness of thyroid disease and raise vital funds for our work? All year round. Read more
Registration now passed - enquire for next year Read more
Registration now closed - enquire for next year Read more
Choose between the Half and the Marathon trail run Read more
The ultimate obstacle course challenge: choose between a 5k or a 15k 25 July and 26 July 2026 Read more
Challenge yourself to the 2.5k, 5k, 10k or 15k obstacle course in 2026 Read more
Hold a livestream event to raise vital funds for the BTF. All year round. Read more
Kiltwalk fun Read more
Sold out - enquire for 2027 Read more
The ultimate obstacle course challenge: choose between a 5k or a 15k 19 September and 20 September 2026 Read more
Now sold out - enquire for next year Read more
Challenge yourself to the 10k or Half Marathon 2026 Read more
The ultimate obstacle course challenge: choose between a 5k or a 15k 10 October and 11 October 2026 Read more
Bypass the ballot and get a guaranteed place in this very popular half-marathon - deadline now passed enquire for 2027 Read more
Run this fast, flat course taking in Oxford's impressive landmarks Read more
Run yourself into the history books in The Hampton Court Palace Half Marathon! Read more
Challenge yourself to the 5k, 10k or 15k obstacle course in 2026 Read more
Grab your place now! Read more