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Contact Us...

Registration & event enquiries

Call us on 0207 609 6695

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We are Action Challenge....

Since 1999 we've been organising challenges across the world - and our events have helped to raise over £60 million for UK charities. We are based in London, and we organise high quailty outdoor challenges & adventures for individuals to join, and bespoke events for charities, groups, companies, and schools. Our Ultra Challenge Series - comprising 7 fantastic events - will see 20,000 participants walk, jog, or run in 2018 - with all  pushing themseves further!

This website is owned by Action Challenge UK Ltd - which is a Limited Company registered in England and Wales. Registered Number: 03825838 - Registered Office: Suite 2, Rosehill, 165 Lutterworth Road, Blaby, LE8 4DY

Charity Partners

WALK, JOG, or RUN - 100km, 50km, or 25km

Push yourself further!

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