Doris Hancock, 95, is walking the length of Hadrian's Wall to raise money for the charity Centrepoint.
The fundraiser, from Ambleside, received a special early birthday message from the charity's patron Prince William, to wish her well as she reached the halfway point.
Marti Errington-Dodds caught Doris as she reached her checkpoint, met with applause and a slice of cake.
More top news
The second of our special reports looks at the history of the Borders Railway - starting with the closure of the Waverley Line in 1969.
Predominantly dry over the coming few days with variable cloud & some sunshine. Cool nights but daytime temperatures recovering a little
The two boys robbed a Carlisle store earlier this year, after threatening the lone female shop assistant with a knife.