London Marathon 2025

Sebastian's Action Trust The London Marathon Get ready to lace up your running shoes and be part of something extraordinary!
Sebastian's Action Trust The London Marathon Get ready to lace up your running shoes and be part of something extraordinary!
Closes 21/08/2025
Run the London Marathon for Sebastian’s Action Trust
A Race to Make Every Mile Count
Imagine facing the challenges of a serious illness in your child while trying to maintain a sense of normalcy for your family. At Sebastian’s Action Trust, we are dedicated to providing a lifeline to families with seriously-ill children, offering support and comfort when they need it most.
Why Your Support Matters
Every step you take in the London Marathon can help us continue to provide support to our families.
By running for Sebastian’s Action Trust, you’re not just running a marathon; you’re making a profound difference in the lives of families with seriously ill children.
Charities pay a small fee for our service. Learn more about fees