Whether its cycling from Land's End to John O'Groats, walking the London marathon or trekking the Great Wall of China - Discover Adventure has something for everyone. Have a browse on their website to see their extensive list of challenge events. Their are a variety of payment and fundraising options, all you need to do is select Glass Door as your chosen charity. 

For example, a team of six dedicated staff and volunteers took part in Discover Adventure's 300 mile cycle from London to Paris in July 2016.