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08 Dec - Ultra Adventures launched!...

Fancy taking on another challenge in 2018 - push yourself further and check out our Ultra Adventures. 5 challenge in 5 unique destinations. From the Saharan Desert to the summit of Mt Etna; 2 marathons in over 2 days - fully inclusive challenge for yourself or for charity. 

17 Nov - Winter Walk - exclusive offer...

Join us on 14th January to kick off your New Year training schedule with a 20km looped walk starting & finishing in Southwark. Through the streets of London, with a half way stop at 10km - join fellow challengers and meet others and our team. We've an exclusive offer for all 2018 challengers - sign up for just £39 (usually £59!). 

Faqs 219x198


Any questions about fundraising, team registrations on event support and more? Click here to read our FAQ's

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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. 

 New - Ultra Adventures

5 amazing challenges...

171x171 Alps

The Alps Challenge

20 - 24 June 2018

Italy to France amongst Europe's stunning mountain scenery. This challenging route follows valleys, streams, mountain passes & skirts Mont Blanc.

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171x171 Sahara

The Saharan Challenge

11 - 15 Oct 2018

The World Heritage Draa Valley is the dramatic backdrop for this iconic Challenge - 2 marathon distances in 2 days across sand dunes & rocky trails.

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UK Ultra Challenges

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

Ultra Challenge Series Partners

Challenge Partners

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