Contact Us...

London office open Mon to Fri - 9.00 am to 5.30 pm.

Registration & event enquiries

Call us on 0207 609 6695

email -

General enquiries

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Press & media enquiries

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Social media

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Follow us @UltraChallenges

Our Ultra Challenge Series website -

We are Action Challenge....

...and have been organising events across the world since 1999 which have raised over £60 million for UK charities. We're based in London and operate high quailty challenges, trips, and adventures for individuals to join, and bespoke events for charities, companies, and schools. 

       Push yourself further

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