Paul Jack and his friends Garry Wilkinson and Dean Schofield climbed the three peaks of mainland Spain in the Sierra Nevada mountains in three days. Find out what Paul had to say about this challenge:
Paul cycled across Europe, from Hendaye in southern France to Santiago de Compostela.
Sinead and her family organised a fun Zumbathon in support of her mum.
Rebecca took on a very hilly, very muddy marathon in the beautiful surroundings of the Eden Project.
Mark joined friends to take on the challenging Tough Mudder course in memory of a friend.
Tammy completed the Loch Ness Marathon with fellow Sarcoma UK runner, James.
Claudia treated 25 ladies to a make up masterclass to raise funds for Sarcoma UK.
Darrell took on the Wiltshire 100, cycling through the towns and countryside of Wiltshire.
Fern completed Tough Mudder - one of the 'hardest challenges' she has ever taken on.
Jamie completed an epic 32 mile ultra marathon.
Carolyn took on a third hiking challenge in aid of Sarcoma UK.
Dan and his friends conquered all of the UK's highest peaks.
Andrea Siodmok is taking on the world's tallest mountain in memory of her colleague, Chris Martin