The Queen showed support for Sophie on Saturday by sharing her London marathon news on Twitter.
The Royal Family’s official account tweeted: “The Countess of Wessex is wishing you all the best of luck as you embark on the virtual #LondonMarathon challenge tomorrow in support of @mencap_charity. You can do it!”
Following the race, Sophie said: “It was an honour to join Tomas even just for a small part of his triumph today, as he completes the virtual London Marathon in support of Mencap.
“Tomas has shown what people with a learning disability can achieve with the right support. He is an inspiration!”