L2b2018

Participant Area

Challenge info & updates ...

Latest News

30th May - POST-EVENT - Requests & Certificates.

The results are in! Please visit the Timing & Tracking page to see your results. If there is an issue with your results, there is a short form you can fill in to request and amendment.

You can also make requests for medals, T-shirts, or lost property using the link below.

There is also a chance to give us your feedback to be in with a chance of winning 1 of 3 £100 Action Challenge vouchers!

We are Action Challenge....

Our events have helped to raise over £60 million for UK charities. We are based in London, and we organise challenge events & adventures for individuals to join, and bespoke events for charities, companies, and private groups. Our Ultra Challenge Series will see  nearly 20,000 participants walk, jog, or run in 2018 - with all pushing themseves further!

Saharan Challenge Find Out More 2

          New 50km Event...

C50bottom

 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.

Find Out More >>
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.

Find Out More >>

UK Ultra Challenges

Click below...

      Walk, Jog, or Run

      ..UK's best Ultras!

Series Partners

Challenge Partners