Sarah will be taking on 100km from Hove to Arundel on the South Coast Challenge.
Participants of the South Coast Challenge can walk, jog or run the coastal path through night and day on this 24 hour challenge.
We'd like to say a big thank you and good luck to Sarah, who is raising money for Velindre after her dad was cared for here. You can find out more about Sarah's story and support her by visiting her page https://www.justgiving.com/fundraising/Sarah-Derrick5
To find out more about the South Coast Challenge, visit https://www.southcoastchallenge.com/the-challenge