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
82-year-old David Bennell is on trial, after being accused of causing a pensioner's death in a "horrific" head-on A66 smash.
130 cases of human trafficking or modern slavery were reported to Cumbria Police in one year.
A child sex offender has been jailed for five years for offences committed in Kendal in the 1990s.