The girls, from Talbot Heath School, decided to undertake the challenge after on of the group of friends, Emily Baggott, lost her dad, Jeremy Baggott, to this cruel disease just before Christmas. Emily, who is 12 years old, and her friends, Lola House, Bonnie Sandeman-Lomax and Nancy Taylor, have already raised more than £1,600 for the charity Myeloma UK.

The girls will begin their walk at the Sandbanks Ferry, and pick up the South West Coast Path, walking a marathon. It is predicted to take them around 10 hours.

The girls are hoping to reach £2,000 in sponsorship. However, as they say, this is so much more than a charity walk – it’s a demonstration of amazing friendship.

Friend Lola House said: “In these awful situations it’s hard to know how to really help a friend. So we came up with the idea of this walk and it suddenly brought us all together in support. It showed Emily how much we care and we want to be beside her every step of the way on this challenge.”

The girls, who are all in year 8 at Talbot Heath School, have been in training for the past few weeks and are ready for the challenge.

Headteacher at Talbot Heath School, Angharad Holloway, said: “We are very proud of these young ladies. They’ve taken a negative situation and are creating meaningful positives. This attitude is exactly what we try to instil in our pupils and they are demonstrating it superbly. We wish them so much luck for the big day.”

The money raised will go to Myeloma UK, the only organisation in the UK dealing exclusively with this incurable disease. It not only helps patients and their families, but also assists in the discovery and development of new treatments. Emily said: “Multiple myeloma is such an evil disease that stole my daddy. It’s my dream that one day a cure will be found so we can beat it and make it history. I think my dad would be very proud of us. He loved walking in this area so I know he’ll be with us cheering us on.”

To support the girls, please visit www.justgiving.com/fundraising/emily-baggott3